overview of pet bird Flashcards

1
Q

play a major role in pet bird wellness programs.

A

Nutrition and behavior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are those entails in Preventing disease

A
  1. providing a proper diet,
  2. an appropriate size cage and perches,
  3. proper sanitation, and
  4. environmental enrichment (ie, toys, foraging opportunities, social interaction).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

oxygen deprivation can occur during?

A

restraint, treatment, or diagnostic sampling.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

are more common in birds without recent exposure to potentially infectious birds

A

Chronic malnutrition and secondary infections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

is a major cause of subclinical disease in birds, which often becomes clinical when a secondary infection occurs.

A

Malnutrition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

a sign of increased respiratory effort in birds

A

the tail bobbing up and down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The normal resting respiratory rate for pet birds

  • in smaller birds (<300 g)
  • larger birds (400–1,000 g)
A
  • from 30−60 beats/min

* 15–30 beats/min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Overgrown beak and nails can indicate

A

husbandry, nutrition, or liver disease.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Excessive wear of the plantar surface of the feet can indicate

A

inadequate perching or poor nutrition.

Excessive wear or callous unilaterally may indicate a problem with the contralateral foot.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

in birds,Body condition can be determined by

A

palpating the pectoral muscles.

  • keel scoring system
  • Severely obese birds deposit fat over the neck, thighs, and abdominal cavity.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

a large parrot will have a heart rate of

A

> 250 beats/min when restrained.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The basic types of wing trims are

A

1) Removing 4–7 of the distal primary flight feathers from both wings, below the level of the coverts
2. Leaving 1–4 distal primary feathers and removing the remainder of the primaries from both wings
3. ) Removing a variable number of primary feathers from just one wing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

these are the excellent ways to remove excess keratin that can accumulate on the lateral surfaces of the beak.

A

!. Sanding tools

2. Concrete (cement) perches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In previous decades,were used to identify the location of parrots at which they were quarantined.

A

open-rolled steel bands

*Now most birds areleg banded(using closed bands) as chicks for individual identification.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

these are rolled, steel quarantine bands are extremely strong and require removal by a full-size bolt cutter with sharp edges.

A
  • open (gap present)

* closed aluminum bands placed on young, captive-raised birds must be stabilized to prevent twisting while being cut.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

is replacing or augmenting banding as a means of identification

A

Microchipping

  • is in the left pectoral muscles
  • it is riskier in smaller birds.
  • has resulted in bleeding and death.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

in birds Blood is usually collected from?

A
  1. right jugular vein, which is larger than the left
  2. basilic (wing) vein - prone to hematoma
  3. medial metatarsal vein - medium to large psittacine birds, seabirds, and poultry
    * Coating a syringe with an anticoagulant before collection may be helpful in smaller species
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Uric acid may be increased in

A
  1. severe renal disease or with articular gout.

2. Severe dehydration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

injections are used for fluid administration, some vaccinations, and many routine medications such as antibiotics.
*may be as effective as IM injections for most medications, without the associated muscle necrosis.

A

. SC injections

*Insulin syringes (50 U or 0.5 mL) with 27-gauge needles are invaluable for accurate dosing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

are often used in birds. To maximize their absorption and minimize discomfort

A

SC fluids - should be warmed to 102°–106°F

*Sites of administration are the lateral flank, the inguinal web, and the back.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

occasionally indicated in birds.

A

. IV injections

*administered IV are some antibiotics, amphotericin B, chemotherapeutic drugs, contrast media, and fluids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

IM injections are given into the

A
  • pectoral muscles in most pet birds;
  • leg muscles - raptors
  • muscle fibers of birds are more vascular and tightly packed —->muscle necrosis and inadvertent IV injection
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Indwelling catheterscan be placed in the?

A

jugular, basilic, or medial metatarsal veins for constant-rate infusions or intermittent fluid administration.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Intraosseous (IO) catheters can be inserted, generally in the

A

proximal tibiotarsal bone or distal ulna.
*hypodermic needle may be used (usually 25-gauge for initial entry, followed by a second 22-gauge needle sutured in place), or a spinal needle with stylet for large birds.
*Without a stylet or second needle, a bone plug may obstruct the needle.
*

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

catheters are often preferable for longterm fluid therapy

A

IO catheters

*via IO catheters can be painful to the bird, especially after 1–2 days.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

how many ml of fluids cn be admin in adult birds?

A

30 mL/kg can be administered tid-qid.

*Baby birds will hold ~10% of their body weight per feeding (100 mL/kg).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

is sometimes desirable for diagnostic or treatment procedures to reduce stress and minimize fear.

A

Sedation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

is a safe and effective sedation protocol in most pet

A

Midazolam -at 0.5–1 mg/kg, IM, or 1–2 mg/kg intranasally (IN)
*flumazenil(0.02–0.1 mg/kg, IM or IN -reverse the effects.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

this is given when birds is thought to be in pain or discomfort?

A
  • butorphanol(0.5–3 mg/kg, IM or IN

* may be given alone or withmidazolam.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

often require the higher dosage (2–3 mg/kg) ofbutorphanol

A

Amazon parrots

  • raptors require the lower dosage (0.5 mg/kg).
  • Isoflurane or sevoflurane anesthesia _by face mask can also be used alone or in conjunction with sedation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

common in clinically ill birds.

A

Delayed crop emptying
*Endotracheal tubes should be uncuffed, because the absence of a tracheal ligament increases the risk of tracheal necrosis if a cuff is overinflated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

fast birds how many hours before admin of anesthesia

A

of 4–6 hr are typical.

*the crop should be palpated for the presence of food or fluid before anesthesia.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The normal body temperature of most psittacines is

A

103°–106°F (39°–41°C).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

example of altricial, hatched birds?

A
  • without feathers, with eyes closed, and helpless.

* Parrots, doves, and finches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

e.g of born precocial,with down feathers, open eyes, and the ability to walk and feed themselves at hatching.

A

Poultry, ratites, and waterfowl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

are completely dependent on the parent birds for warmth and food; they also lack a functional immune system and are more susceptible to disease.

A

Psittacine neonates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Disadvantages of hand raising can include

A

*stunting and an increase in husbandry-related diseases such as crop stasis or aspiration pneumonia.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

The health of a chick depends on what factors

A

the health of the parents, genetics, the incubation process, nutrition (type of food, temperature, and consistency), environment (humidity, warmth, and cleanliness), and exposure to infectious diseases.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

temperature guidelines are for newly hatched psittacine chicks?

A

*92°–94°F; unfeathered chicks, 90°–92°F; pin-feathered chicks, 85°–90°F; and fully-feathered and weaned chicks, 75°–80°F.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

should be fed to chicks >2 days old (more dilute formula for newly hatched), with the environmental temperature between 102°–106°F.

A

*A diet of 25%–30% solids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

characteristics of Healthy chicks

A
  • have yellowish pink skin, and feathers first appear on the head, wing, and tail.
  • Abnormal feather growth or delayed or abnormal opening of eyes can be a sign of stunting.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

a lucent areas across the vane of the feathers

indicate a period of stress when that portion of the feather was forming

A

Stress bars

  • common during weaning,
  • A large number of stress bars may indicate an underlying illness or condition.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

indication of hypovitaminosis A or chronic respiratory disease.

A

blunting of the choanal papilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

have a normally distended abdomen because of an enlarged proventriculus and ventriculus from being fed large amounts of formula.

A

Nestlings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Pediatric Diseases of Pet Birds


most common causes of respiratory disease in hand-fed psittacine birds.

A

Aspiration Pneumonia

*occurs as birds begin to wean.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

clinical signs of aspiration pneumonia

A

increased respiration, respiratory distress, poor feeding response, and depression.
DX. based on history and physical examination findings.
*tx oxygen therapy, nebulization, antibiotics, antifungals, warmth, supplemental fluids, and anti-inflammatory drugs. Prognosis is guarded.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Bacterial Disease

The normal gut microflora in chicks

A

gram-positive bacteria.

*presence of large numbers of gram-negative bacteria or budding yeast indicates infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Bacterial infections can occur from multiple sources: such as?

A

unsanitary environment, inappropriate storage of formula, and use of unclean feeding utensils.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

CS for bacterial dse

A

*crop stasis, poor feeding response, regurgitation, depression, and dehydration.
*dx on clinical signs and results of a fecal or crop Gram stain, CBC (leukocytosis, monocytosis), and culture and sensitivity testing
*Tx is with antibiotics and supportive care
prophylactic treatment with an antifungal drug such asnystatinorfluconazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

can be present in low numbers in a healthy chick but may proliferate in the presence of antibiotic treatment

  • most common fungal infection in young birds and can result in thickening of the crop mucosa,
  • described as “Turkish towel in appearance.”
A

Candida albicans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

CS:of Candida albicans

A

crop stasis, poor feeding response, and depression.

  • lesions or plaques in the oral cavity. Intestinal or gastric candidiasis can result in malabsorption.
  • Dx is with fecal or crop cytology revealing large numbers of budding yeasts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

The most common viral diseases in psittacine chicks are ?

A

polyoma virus,
avian bornavirus,
proventricular dilatation disease and circovirus, and
psittacine beak and feather disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

tx for foreignbody body

A

require an ingluviotomy to gain access to the mucosal surface and lumen of the crop, proventriculus, or ventriculus.
*Removal of a foreign body, such as a feeding tube, is the most common indication for this procedure in pediatric birds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

in this Mild cases may result in red and inflamed skin in the area of the crop.
*

A

Crop Burns

  • Second- and third-degree burns will be acutely inflamed and blistered and may lead to tissue necrosis and fistula formation.
  • In subacute cases -food draining from a fistula through the crop wall and skin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

tx or Crop Burns

A

*Surgical repair debriding devitalized tissues, separating the crop wall from overlying skin, and closing the two layers separately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

it - occurs from improper hand-feeding technique, either with the syringe tip or a rigid feeding tube.

A

Esophageal and Pharyngeal Trauma

*leads to tissue trauma, cellulitis, and distribution of food into subcutaneous tissues.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

t/f

in neonates than in adult birds, so some degree of hepatomegaly is normal in chicks.

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Characteristics of neonates with hepatic lipidosis

A
  1. usually still being hand fed, often with a commercial formula to which the owners have added peanut butter, oil, or some other high-fat food, and
    2) they are usually heavy for their age and exhibit severe respiratory distress.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

best first step for hepatic lipidosis

A

Cool oxygenation

*have virtually no air sac capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

are the general nutritional changes required for hepatic lipidosis

A
  • addinglactulosetothe formula
  • reducing the quantity of crop food per feeding,
  • adjusting the content of the formula
  • Parenteral fluid supplementation - hyperthermic bird hydrated
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

CS of Failure to Thrive

A

Stunted chicks are thin, and the head is disproportionately large.
Toes, wings, and hips are thin; eye and ear openings may be delayed.
The skin may be dry and without adequate subcutaneous fat.
Abnormal feather patterns (swirls) may develop on the head of a stunted chick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

is a catch-all for deformities of the legs in young birds?

*are laxities of the ligaments of the stifle and/or angular deformities of the femur, tibiotarsus, and tarsometatarsus

A

splayleg

*risk factors include nutritional deficiencies and insufficient support or substrate in the enclosure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

TX for Splayleg or Rotational Leg Deformity

A
  • external coaptation - are most successful when the bird is young.
  • Placing the chick in a deep enclosure with a suspensory device or cloth that allows leg to be directed vertically
  • taping the legs together in a “hobble” may be corrective if implemented early.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

develop because of disruption of the cruciate and /or collateral ligaments

A
  • Stifle subluxation

* Surgery (osteotomy and external skeletal fixator) may be used for rotational deformities.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

commonly occurs in several birds from the same clutch and is seen most commonly in cockatoos.

A
  • Mandibular prognathism
  • correct by pulling the beak upward and out for several minutes, several times a day.
  • older chicks -require a prosthetic
  • Trans-sinus pinning is a more recent and more reliable method of correction but carries some risk.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

is a lateral deviation of the upper or lower beak.

caused by improper incubation temperature or genetic

A

Scissor beak

*manually placing a counter force on the beak for several minutes 2–3 times daily.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q
  • fairly common in neonates,, affecting more than one digit,
A

Constricted Toe Syndrome

most common inEclectusparrots and macaws,

usually in chicks housed in environments with inadequate humidity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

tx for Constricted Toe Syndrome

A

*detected early, debriding the annular band and applying a moist dressing

  • more severe cases, small longitudinal incisions on the medial and lateral surfaces of the affected toe to allow for swelling and promote circulation.
  • If circulation loss is severe and necrosis is apparent, amputation may be necessary.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

usually involves the lateral or fourth toe, which points forward instead of backward.

A

*Malposition
easily corrected by taping the toe in a normal position.
*In young birds, the foot can be bandaged with the toe pointing backward in the normal position for several days
*Older chicks may need prolonged bandaging.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

commonly seen in cockatiels and is often observed in clutch mates

  • The condition is usually bilateral.
  • The eyelids, if present, are generally normal in conformation but greatly reduced in length, leading to small to nonexistent palpebral fissures
A

Cryptophthalmia (Eyelid Atresia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

it is performed to Extend the palpebral fissure

A

conjunctival eversion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

the causative agent of a Lockjaw”:

A

Bordetella avium

  • most commonly in cockatiels.
  • Prognosis is guarded to grave.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

Bacterial invasion of Bordetella avium from the sinuses progresses to

A

the skeletal muscle of the mandible, resulting in a myositis and “lockjaw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

seen most commonly in African grey parrots

*

A
  • Choanal Atresia

* the communication between the nares, infraorbital sinus, and the choana is incomplete or absent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

CS of Choanal Atresia

A

*increased mucus accumulation and infection in the nares and sinuses. Blunted choanal papilla may be detected on oral examination.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

dx and tx of Choanal Atresia

A
  • endoscopic exam
  • by creating an opening in the choana through the nares with an intramedullary pin.
  • red rubber feeding tube is then threaded through the nares, out the choana, and back behind the head of the bird and is left in place for 2–3 wk.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

are most common and can lead to systemic disease

A

GI and respiratory infections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

Normal bacterial flora of companion birds includes:

A
Lactobacillus,
Corynebacterium,
nonhemolyticStreptococcus,
Micrococcusspp, and
Staphylococcus epidermidis.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

The most commonly reported pathogens in birds are

A

gram-negative bacteria
(Klebsiella,Pseudomonas,Aeromonas,Enterobacter,Proteus, andCitrobacterspp,Escherichia coli, andSerratia marcescens).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

possible septicemia agents in birds attacked by pet cats or rats.

A

Pasteurellaspp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

common intracellular bacterial pathogens.

A

MycobacteriumandChlamydia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

The most common gram-positive bacterial pathogens are

A

S.aureus, S.intermedius,Clostridium,Enterococcus, Streptococcus, and otherStaphylococcusspp
*Methicillin-resistantS aureus(MRSA) is rare but has been documented

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

have been implicated in chronic sinusitis, often found in cockatiels. This organism is difficult to culture, and the true incidence is unknown

A

Mycoplasmaspp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

responsible for several dermatologic conditions in psittacine birds.

A

Staphylococci and streptococci (especially hemolytic strains) andBacillusspp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

are often isolated from lesions of pododermatitis (bumblefoot) in many avian species.

A

Staphylococci

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

are common secondary invaders of damaged cloacal tissue in birds with cloacal prolapse or papillomatosis

A

Clostridial organisms

*A Gram stain or anaerobic culture is necessary to identify these organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

is used to identify normal flora, yeast, and spore-forming bacteria

A

A Gram stain

*Culture is needed to identify specific organisms and their sensitivity to antibiotics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

Sample sites for culture and cytology

A

choanal slit, sinus, cloaca, wounds, conjunctiva, internal organs (via ultrasound-guided fine-needle aspirates, endoscopic examination, or surgery), and blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

obligate intracellular bacterium) - infect all companion birds but is especially common in cockatiels, budgerigars, and parrots

A
  • Chlamydia psittaci
  • Zoonotic
  • Incubation period - 3 days to several weeks
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

organism is excreted in the feces and in nasal and ocular discharge of infected birds
*these organism can remain infectious in organic debris for >1 mo.

A

Chlamydia psittaci

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

CS of Chlamydiosis (Psittacosis, Ornithosis)

A
ocular, nasal, or conjunctival irritation and discharge; 
anorexia; dyspnea; 
depression; 
dehydration; 
polyuria; 
biliverdinuria; and 
diarrhea.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
92
Q

in this dse Clinically ill birds may have a leukocytosis, monocytosis, and increased AST and bile acid concentrations
*hepatomegaly, splenomegaly, or air sacculitis.

A

Chlamydiosis (Psittacosis, Ornithosis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
93
Q

tx for Chlamydiosis (Psittacosis, Ornithosis)

A

Doxycycline; treatment for 45 days

  • Dietary calcium reduced
  • Doxycyclineinjectable - 75–100 mg/kg every 5–7 days for 6 wk
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
94
Q

chronic progressive disease affecting the liver and GI tract

A

Avian Mycobacteriosis

*most commonly infected are brotogeris parakeets and Amazon parrots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
95
Q

CA of Avian Mycobacteriosis

A

Mycobacterium aviumandM genavense.

Mycobacterium intracellulare,M bovis, andM tuberculosisare less commonly reported

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
96
Q

CS of Mycobacteriosis in a cockatiel

A

showing diffuse swelling of the conjunctiva and eyelids.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
97
Q

Gross lesions of internal organs in psittacines with mycobacteriosis

A

Liver of a cockatiel -showing moderate diffuse enlargement with multifocal to coalescing yellow e tan foci.

(b) Spleen - showing diffuse and marked enlargement with multifocal to coalescing tan nodules.
(c) Small intestine of a moustached parakeet-showing an irregular mucosa with prominent villi giving a ‘shaggy’ appearance.
(d) Heart of a double yellow- headed Amazon - showing a pale tan-coloured irregular mass at the base of the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
98
Q

in Avian Mycobacteriosis dx reveal?

A
  • have a significant leukocytosis with a monocytosis.

* hepatomegaly and splenomegaly. Granulomas may occur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
99
Q

DX in Avian Mycobacteriosis

A
DX: 
acid-fast staining, 
culture, and/or 
DNA probe of a biopsy specimen. 
Biopsy of the liver, intestines, spleen, or a suspected mass is recommended; however, PCR testing of ultrasound-guided fine-needle aspirates of the liver may be diagnostic
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
100
Q

Use of multiple antibiotics (typically three) is recommended in this dse?

A

*Avian Mycobacteriosis

because mycobacterial organisms are prone to developing antibiotic resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
101
Q

antibiotics for Avian Mycobacteriosis

*for zoonotic risk, especially in immunocompromised people.

A

rifabutin(45 mg/kg),
clarithromycin(60–85 mg/kg),
ethambutol(30 mg/kg), and enrofloxacin (20–30 mg/kg). All combinations are used daily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
102
Q

are common in companion birds.they are a secondary infection in an already ill or immunocompromised bird.

A

Fungal diseases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
103
Q

The most common fungal diseases are:

A

respiratory tract infections caused byAspergillusspp and

GI tract infections caused byCandidaspp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
104
Q

is an unusual fungus that affects the GI tract and occurs most commonly in small pet birds (budgerigars, lovebirds, finches, parrotlets, and cockatiels).

A

Macrorhabdus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
105
Q

a common fungal disease seen in pet birds

A

Candidiasis

*CA: opportunistic yeastCandida albicans, which commonly affects the GI tract.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
106
Q

the most common isolates Mycotic spp of birds

*found and may be refractory to treatment.

A

C albicans - affects unweaned chicks.

C tropicalis,C parapsilosis,C glabrata, andHansenulaspp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
107
Q

Candidiasis most commonly affects

A

unweaned chicks.

Those on broad-spectrum antibiotics are most at risk.

Neonatal cockatiels are considered most susceptible.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
108
Q

Clinical signs of Candidiasis in juvenile birds

A

include anorexia, crop stasis, white plaques in the oral cavity, regurgitation, and weight loss.
* in adults - mild weight loss, lethargy, and dull plumage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
109
Q

how to dx Candidiasis

A
  • identifyingCandidaspp on a Gram, Romanowsky-type, or new methylene blue stain of the feces, crop contents, or regurgitated material.
  • Scrapings or impression smears
  • when tissue invasion has occurred, the budding yeast will produce hyphae that can be seen in scrapings obtained from the crop or pharynx, or from the feces.
110
Q

is secondary to poor husbandry and an unclean environment.

A

candidiasis

111
Q

help crop motility and prevent regurgitation.

A

Metoclopramide

112
Q

tx for Candidiasis

A
  • Nystatin(300,000 IU/kg, PO, bid) is commonly used because of its low cost and low toxicity.
  • Disadvantages are poor taste and large volume required
  • is fungistatic and not absorbed from the GI tract, it is only effective when in direct contact with infected tissue(tid)
113
Q

what to use If the yeast is resistant tonystatinor the bird is difficult to medicate

A

fluconazole(20 mg/kg, PO, every 48 hr) is available for systemic treatment.

114
Q

Flock treatment for Candidiasis

A

chlorhexidine at 10 mL/gal. of drinking water for 1–3 wk.

  • is a disinfectant, its use will also deplete the normal digestive flora.
  • apple cider vinegar Acidification of the upper GI tract
115
Q

an opportunistic infection that typically occurs in immunocompromised hosts (malnutrition, especially vitamin A deficiency) or when birds are exposed to large numbers of aerosolized spores.

A

Aspergillosis

*not transmitted bird-to-bird.

116
Q

most common Aspergillos species isolated;

A

*Aspergillus fumigatus
*A flavusandA nigerare also found.
Rhizopus,Penicillium,Mucor, andScedosporium apiospermum - more difficult to diagnose and treat.

117
Q

Predisposing factors for developing infection in Aspergillosis include

A
  • species predilection (African grey parrots, Amazon parrots, cockatiels, and macaws),
  • aspiration of food or medications, *immunosuppression (underlying disease),
  • moldy bedding or feed,
  • and use of corticosteroids.
118
Q

DX in Aspergillosis

A

*A Gram stain or modified Wright’s stain of lesions or debris often demonstrates fungal hyphae.

119
Q

Extensive or chronic fungal sinusitis may lead to

A

osseous changes and permanent malformation of the upper respiratory architecture.

120
Q

can occur in immunocompromised birds.

A

Tracheitis due to aspergillosis

121
Q

often form in the syrinx of psittacine birds and raptors and are particularly challenging to treat

A

Aspergillusgranulomas

122
Q

can provide a strong presumptive diagnosis in Aspergillosis

A

leukocytosis/monocytosis combined with clinical signs and radiographic findings

123
Q

can provide a strong presumptive diagnosis in Aspergillosis

A

leukocytosis/monocytosis combined with clinical signs and radiographic findings

  • birds with chronic disease will be anemic.
  • A radiograph may reveal airsacculitis, granulomas, or severe pulmonary disease.
124
Q

inAspergillosis Plasma protein electrophoresis showing

A

showing increased β-globulin levels

125
Q

tx for Aspergillosis

A
  • Amphotericin B -intratracheally at 1 mg/kg through the glottis
  • only fungicidal agent available used intratracheally, and in IV administration.
  • nebulization, a concentration of 0.25–1 mg/mL of sterile water can be used.
  • Nasal and sinus flushes are generally more dilute at 0.05 mg/mL of sterile water
  • not be diluted with saline, because this decreases its potency
126
Q

tx for Aspergillosis

A

Itraconazole(5–10 mg/kg, PO, once to twice daily) most commonly used azole for systemic infection.

  • African grey parrots are more sensitive to adverse effects ofitraconazole, especially regurgitation and anorexia
  • dosed at 5 mg/kg/day, PO
127
Q

tx for Aspergillosis

  • used in lieu of or in conjunction withitraconazole.
  • used for nebulization in conjunction with systemic therapy
  • is being used for resistant strains ofAspergillus.
A
  • Terbinafine(10–15 mg/kg, PO, bid)
  • Clotrimazole (10 mg/mL, nebulized 15–30 min 2–4 times/day).
  • Voriconazole(12–18 mg/kg, PO, bid)
128
Q

what to do if fungal granulomas are identified and the lesions are accessible

A

debulking endosurgically or treating the lesions topically with amphotericin B

129
Q

should be monitored every 4 wk during treatment.

of Aspergillosis

A

Hepatic enzyme, bile acids, and uric acid concentrations

130
Q

management of birds with Aspergillosis

A
  • Treatment with oral drugs should be continued for 2–4 wk
  • Thickened and scarred air sacs that develop during and persist after infection can provide an ideal environment for disease recurrence.
131
Q

Macrorhabdus ornithogasterInfection occurs in

A

budgerigars, parrotlets, lovebirds, cockatiels, and finches

132
Q

Previously described as a bacterium, this organism has a worldwide distribution and varies widely in pathogenicity.

A

Macrorhabdus ornithogasterInfection (Macrorhabdosis, Megabacteria, Avian gastric yeast
*affects the proventriculus and ventriculus

133
Q

. Macrorhabdus ornithogasterInfection clinical signs may mimic

A

*proventricular dilatation disease.

Mortality may be high, but birds may recover

134
Q

t/f
Macrorhabdus ornithogasterInfection In birds that recover, relapses and potential shedding of the organism in the feces are likely.

A

true

135
Q

This disease is often seen in conjunction with immunosuppression (eg, polyomavirus and circovirus infection, or associated with poor husbandry).

A

Macrorhabdus ornithogasterInfection

*Asymptomatic infection is common.

136
Q

large, rod-shaped organisms are approximately 2–4 µm wide and 60–90 µm long.
*appears as a large, gram-positive rod, with mottling or stippling throughout its length.

A
  • Macrorhabdus ornithogaster

* Wet mount, modified Wright’s, or Gram stain of a fecal sample often reveal organisms

137
Q

in Macrorhabdus ornithogasterInfection Radiographs may reveal

A
dilated proventriculus.
Necropsy lesions may include:
thinning of the isthmus, 
proventricular dilation and ulceration, 
thickening of the proventricular wall, 
mucus production, and 
softening of the koilin layer of the ventriculus.
138
Q

TX:

for Macrorhabdus ornithogasterInfection

A
  • Amphotericin (100 mg/kg, PO, bid for 30 days)
  • Acidification of the proventriculus (apple cider vinegar, vitamin C) - create an environment less conducive to proliferation ofMacrorhabdus.
  • Voriconazolehas been successful (anecdotal) at 10 mg/kg, PO, bid.
  • Sodium benzoate -½ tsp (2.5 g)
139
Q

how to CONTROL:Macrorhabdus ornithogasterInfection

A

Asymptomatic carriers are common.

Artificial incubation of eggs and hand feeding nestlings can help establish a pathogen-free flock

140
Q

reported in birds with feather picking and dermatologic conditions.
*Culture is often unrewarding.

A

Malasseziaspp

141
Q

TX: Malasseziaspp

A

fluconazoleat 5–10 mg/kg, PO, once to twice daily

*dilute chlorhexidine 0.1% spray orclotrimazole

142
Q
  • worldwide in occurrence and caused by a saprophytic fungus.
  • uncommon in avian species, but it has been isolated from the fecal droppings of wild birds, particularly pigeons, and from feces of canaries and psittacine birds.
A
Cryptococcus neoformans (Cryptococcosis) 
C neoformansis zoonotic
143
Q

C neoformansinfection has been reported in

A

Columbiformes, a Moluccan cockatoo, a thick-billed parrot, a green-wing macaw, and an African grey parrot

144
Q

With CNS involvement, neurologic signs such as blindness and paralysis

A

Cryptococcus neoformans (Cryptococcosis)

145
Q

this organism is a round to oval yeast with a mucopolysaccharide capsule.

*A mucoid gelatinous exudate may be noted within the respiratory tract, coelomic cavity, sinuses, brain, or within the long bones.

A

*Cryptococcus neoformans

146
Q

are the drugs of choice for CNS or ocular infections in Cryptococcosis

A

*Fluconazoleorvoriconazolea

147
Q

a yeast occasionally seen in skin infection in raptors (falcons).
*causes yellowish brown crusty areas of the skin in the axillary or inguinal areas

A
  • Rhodotorula mucilaginosis

* Untreated lesions may develop into hyperkeratotic proliferative growths

148
Q

Miscellaneous Mycoses

A
1. Dermatophytosis – including:
Trichophytonand
Microsporumspp is occasionally reported in pet birds. 
2. Histoplasmosis and 
3. Mucormycosis
149
Q

Commonly reported parasitic diseases

A
  • protozoal infections such as *giardiasis in cockatiels,
  • sarcocystis in larger parrots, and
  • mites in budgerigars and passerines.
150
Q

. Protozoa in birds

A
  1. Haemoproteus -importedCacatuaspp.
  2. Leucocytozoon,
  3. Plasmodium, and
  4. Atoxoplasmaspp - in canaries
151
Q

Giardiasis: - reported in many species of birds but is most commonly seen in

A

cockatiels.
Adult birds may be latent carriers.

Transmission is presumably direct (ingestion of infective cysts).

152
Q

CS of Giardiasis:

A
  • feather pulling in the axillary and inner thigh regions, along with vocalization.
  • Droppings of affected cockatiels may be voluminous and aerated (a “popcorn” appearance
153
Q

DX: in . Giardiasis includes

A
  1. zinc sulfate flotation test of feces to detect cysts,
  2. direct saline smear of fresh feces to detect motile trophozoites,
  3. and ELISA test forGiardiaspp antigen in feces
  4. snap test
154
Q

TX: for Giardiasis:

A
  • Metronidazole(50 mg/kg/day, for 5–7 days) or
  • Carnidazole (20 mg/kg/day, PO, for 1–2 days) is the recommended treatment
  • In cockatiels fenbendazole at dosages extrapolated from dogs has been anecdotally reported to cause death
155
Q

Trichomoniasis: - reported in many orders of birds, including

A
Columbiformes,
Galliformes, 
Falconiformes, 
Psittaciformes, and 
Passeriformes.
156
Q

Trichomonas gallinae are called___in birds of prey?

A
  • called frounce
  • canker in
  • Trichomonas gallinae occasionally seen in pet birds, notably budgerigars
157
Q

CS of Trichomoniasis in raptors and Columbiformes

A

Whitish yellow, caseous lesions adherent to the mucosa of the oropharynx, crop, and esophagus

158
Q

CS of Trichomoniasis in Budgerigars

A

do not have grossly visible oral lesions but do have increased salivation and regurgitation.

159
Q

MOT of Trichomoniasis

A
  • direct (parents feeding young)
  • indirect (ingestion of contaminated food and water) contact; raptors may become infected by ingesting infected pigeons or doves.
160
Q

coccidia are much more common in

A

gallinaceous or Columbiforme birds,

*although coccidial oocysts are seen occasionally in psittacine and passerine birds.

161
Q

seen in a variety of avian species but is thought to be a secondary rather than a primary pathogen.
*Transmission - through ingestion or inhalation of sporulated oocysts

A

Cryptosporidiosis

162
Q

is the best diagnostic test in Cryptosporidiosis

A
  • Sheather’s sugar flotation test is best.

* acid-fast stain can also be used to detect the organism.

163
Q

Plasmodiumsppinfection (malaria) - highly pathogenic in

A

gyrfalcons, canaries, and penguins.

  • Plasmodiumis spread by mosquitoes
  • TX: chloroquine
164
Q

highly pathogenic protozoal disease that causes hepatomegaly and splenomegaly in canaries?
*with coccidia-like oocysts shed in the feces.

A

Atoxoplasmosis

*severe in fledgling birds, *adults are often asymptomatic.

165
Q

diagnostic test in Atoxoplasmosis

A
  • : fecal flotation (best in adults
  • buffy coat smear with Romanowsky stain,
  • liver impression smear, or *PCR testing of feces.
166
Q

tx for atoxoplasmosis

A
  • toltrazuril (12.5 mg/kg/day, PO, × 14 days)

* sulfachlorpyridazine (150–300 mg/L drinking water, 5 days/wk × 2–3 wk).

167
Q

Ascarids – Common in

A

budgerigars, cockatiels, and psittacine; also found in many birds who have access to the ground

168
Q

Tiny thread-like worms that infect the gastrointestinal tract of many companion birds, such as macaws, canaries, budgerigars, pigeons, and gallinaceous birds

A

Capillaria

169
Q

These infect the intestines of cockatoos, parakeets, parrots, and macaws, and include four types of eyeworms

A

Spiruroidea

170
Q

Syngamus – These are rarely found in companion birds, but are more common in

A

galliformes and anseriformes

171
Q

These populate the eyes, heart, joints, organs, and subcutaneous tissues of cockatoos and psittacines

A

Filariidea

172
Q

Mot of . Roundworms:

A

by ingestion of embryonated ova.
C/S –loss of condition, weakness, emaciation, and death; intestinal obstruction is common in heavy infections
DX.by fecal flotation

173
Q

tx Roundworms

A
  1. Ivermectin(0.2 mg/kg, PO, SC, or IM, repeated in 10–14 days).
  2. Pyrantel pamoate (4.5 mg/kg, PO, repeated in 10–14 days), or
  3. Fenbendazole (20–50 mg/kg, PO, repeated in 14 days) are generally effective.
174
Q

t/f
roundworm
In warm climates where exposure via outdoor aviaries is likely, routine deworming (every 6 mo

A

t

175
Q

The most common pet birds infected with tapeworms are

A

cockatoos, African grey parrots, and finches.

  • Intermediate hosts are likely insects and arachnids of various types, earthworms, and slugs.
  • Infected birds are asymptomatic or are unthrifty, with or without diarrhea.
176
Q

tx for Cestodes

A

: Praziquantel(5–10 mg/kg, PO or IM, once) is the recommended treatment.

177
Q

Parasites of the Integument which is common in budgerigars and rare in all other psittacine species

A

Knemidocoptes pilae(alsoCnemidocoptes pilae)

  • causes Scaly Face (Leg) Mite:
178
Q

CS of Scaly Face (Leg) Mite in budgerigars

A

*white, porous, proliferative encrustations involving the corners of the mouth, cere, beak, and occasionally the periorbital area, legs, or vent are typical

179
Q

CS of Scaly Face (Leg) Mite in passerine birds

canaries and European goldfinches

A

crusts form on the legs and surfaces of the digits (“tassel foot”).

180
Q

DX test for . Scaly Face (Leg) Mite

A
  • facial scrapings of budgerigars(pathognomonic)
  • skin scrapings of the legs often result in hemorrhage and are generally not recommended in passerine

tx.

  • Ivermectin(0.2 mg/kg, PO or IM) or
  • Moxidectin (0.2 mg/kg, PO or topically) is generally effective. The treatment is repeated in 2 wk.
181
Q

___birds are seldom affected by feather mites.

A

Psittacine birds

182
Q

red mite

A

Dermanyssus gallinae

183
Q

Mite-infested birds may be treated with

A

pyrethrin sprays,

5% carbaryl powder, orivermectin(0.2 mg/kg, PO or IM) repeated in 2 wk.

184
Q

parasitizes the entire respiratory tract, most frequently of canaries and gouldian finches
*mites are found in the trachea, syrinx, lungs, and air sacs

A

Sternostoma tracheacolum

  • All stages of the mite are found within the respiratory tissues
  • Mortality can be high
185
Q

dx test for Sternostoma tracheacolum

A

*Transillumination of the trachea in a darkened room

186
Q

tx for Sternostoma tracheacolum

A

Ivermectin(0.2–0.4 mg/kg, PO or IM) repeated in 2 wk or moxidectin (0.2 mg/kg, PO or topically

187
Q

major cause of mortality in parrots housed outdoors.
*oocysts of this protozoan parasite are passed from infected opossum feces by insects (eg, flies, cockroaches) or mice and rats into the feed cups or enclosure of the birds and a rapidly fatal disease can develop.

A

Sarcocystosis

  • not contagious
  • Large die-offs
188
Q

a high mortality rate is observed in these untreated birds with Sarcocystosis

A

cockatoos, African grey parrots, andEclectusparrots

  • Cockatiels are also susceptible
  • Old World species are immunologically naive to this disease
189
Q

Sarcocystosis

-pneumonic lesions are often noted at necropsy in this species.

A

Cockatiels

190
Q

t/f
Sarcocystosis
this disease occurs in the early stages of infection as the parasite is undergoing schizogony or merogony (asexual reproduction) in the lung.
*This causes lung damage, and the birds die acutely with or without signs of respiratory distress

A

t

in Old World parrots (eg, cockatoos, African grey parrots),

191
Q

Sarcocystosis
t/f
In New World parrots (eg, macaws, conures), the organism encysts in the muscle or CNS, causing weakness, ataxia, or neurologic signs.

A

true

*Encephalitis - psittacines and raptors.

192
Q

dx in Sarcocystosis

A
  • plasma protein electrophoresis may indicate infection (marked increase in β-globulin concentrations with or without a marked increase in gamma globulin concentrations)
  • indirect immunofluorescence antibody (IFA) test -aid in antemortem diagnosis of the nonperacute form of sarcocystosis in psittacine birds
  • muscle biopsy (quadriceps muscle
  • Increases in enzyme activities of LDH, AST, and CK
193
Q

tx for Sarcocystosis

A
  • trimethoprim/sulfa (30 mg/kg, bid) and
  • pyrimethamine(0.5 mg/kg, PO, bid)

*Sarcocystis neurona, that affects horses

194
Q

other name of Avian Polyomavirus/AVP

A

(Papovavirus,
Budgerigar fledgling disease,
Psittacine polyomavirus
*primarily affects young birds.

195
Q

AVP Two primary forms based on species affected

A
  • budgerigar fledgling disease
  • nonbudgerigar polyoma infection
  • Both are characterized by peracute to acute death of preweaned neonates.
196
Q

incubation period of AVP

A

7–10 days

*Adult birds typically are resistant to infection; they will seroconvert and shed the virus for up to 90 days

197
Q

Other clinical signs for AVP

: budgerigar fledging disease

A

are cutaneous hemorrhage, abdominal distention, and feather abnormalities.
*Surviving budgerigars >3 wk old often exhibit feather dystrophy (French molt or feather dusters

198
Q

CS: nonbudgerigar polyoma disease

A

subclinical disease or hemorrhages and coagulopathies

199
Q

Gross necropsy findings in Avian Polyomavirus/AVP

A
  • deceased chicks often include pale skeletal musculature and subcutaneous ecchymotic hemorrhages.
  • kidneys and liver are enlarged and may be pale, congested, and mottled, or have pinpoint, white foci.
  • Petechial orecchymotic hemorrhages may also be present on viscera, particularly the heart
  • hydropericardium.
  • Intranuclear inclusion bodies
200
Q

AVP control

A

all breeding must be stopped for 6 mo

201
Q

tx for AVP

A

*is supportive care.
A vaccine is available
*breeding birds, two doses of the vaccine
*administered at a 2-wk interval; this should be done off-season.

*administration of the first dose when the chick is >35 days old, with a booster vaccination in 2–3 wk

202
Q

caused by a psittacine circovirus.

A
  • Psittacine Beak and Feather Disease (PFBD
  • recognized in the 1970s
  • by inhalation and/or ingestion of the virus and can occur vertically.
203
Q

In the classic PBFD infection, the first indication of the presence of disease is

A

*lack of powder down on the beak.
*virus causes abnormal formation of growing feathers and immunosuppression
*

204
Q

the disease occurs in young birds, which develop enteritis and pneumonia, lose weight, and die

A

A peracute form of (PFBD

205
Q

in (PFBD) African grey parrots may develop___ a because the virus attacks the bone marrow

A

pancytopenia,

*birds die with viral inclusions in the thymus, bursa, and bone marrow.

206
Q

dx result in (PFBD)

A

intranuclear or intracytoplasmic inclusions may be seen histologically in the feathers, bursa, thymus, liver, or other organs.

207
Q

tx for (PFBD)

A
  • Isolation and eventual euthanasia
  • Strict hygiene
  • PCR testing of both birds
  • infected breeding colonies, removing all eggs for cleaning and artificial incubation
208
Q

causes a viral hepatitis seen predominantly in New World species (Amazon parrots, macaws, and conures

A

Pacheco’s Disease (Pacheco’s herpesvirus) -

209
Q

is an alpha herpesvirus that is the causative agent of Pacheco’s disease and internal papillomatosis in parrots.

A

Psittacine herpesvirus

210
Q

occurs in parrots that have survived Pacheco’s disease and most commonly observed in macaws, Amazon parrots, conures, and hawk-headed parrots.

A

nternal papillomatosis

211
Q

incubation period of Pacheco’s Disease (Pacheco’s herpesvirus

A
  • 3–14 days

* spread by direct contact, aerosol, or fecal contamination of food or water

212
Q

t/fin Pacheco’s Disease Infected birds become chronic carriers and will remain persistently infected and intermittently shed the virus throughout their lives.

A

true

*Patagonian species and someAratingaspp may be natural hosts in the wild

213
Q

Terminal signs in Pacheco’s Disease

A

acute death in well-fleshed birds and bright yellow urates with scant feces.

214
Q

dx test in Pacheco’s Disease

A
  • DNA probes of combined oral and cloacal swabs or blood samples
  • Increases in plasma AST activity
  • leukopenia
  • hepatomegaly, splenomegaly, and renomegaly.
215
Q

DD in Pacheco’s Disease

A

acute salmonellosis, polyomavirus, and psittacine reovirus.

216
Q

tx in Pacheco’s Disease

A
  • Acyclovir(80 mg/kg, tid, or 400 mg/kg in feed) - used during an outbreak
  • Autogenous vaccines - decreased morbidity and mortality.
  • inactivated vaccine is available
217
Q

Lesions ofpapillomatosis-(Internal papillomatosis )predominantly present in the

A

oral and cloacal mucosa but may also be found internally in the intestinal tract, or less commonly, in the conjunctiva or bursa

218
Q

Avian Bornavirus/Proventricular Dilatation Disease PDD - also known as

A
macaw wasting disease, 
neuropathic ganglioneuritis, 
lymphoplasmacytic ganglioneuritis, 
psittacine encephalomyelitis, 
avian bornavirus (ABV), 
*recognized in the late 1970s in macaws imported into the USA and Germany
219
Q

Avian Bornavirus/Proventricular Dilatation Disease PDD caused by?

A
  • avian bornavirus.

* affects macaws, conures, and African grey parrots, although all parrots are probably susceptible.

220
Q

DD of Avian Bornavirus/Proventricular Dilatation Disease PDD

A
heavy metal toxicosis, 
foreign body intestinal obstruction, 
internal papillomatosis, 
internal neoplasia, and 
GI infections (including bacterial and fungal proventricular infections
221
Q

tx for ABV

A
  • NSAID
  • PCR (a minimum of three tests) and separating positive birds from negative birds is a recommended
  • ABV is not a long-lived virus in the environment; therefore
  • good hygiene and ultraviolet light can help to limit spread of disease in a home or aviary setting
222
Q

large DNA viruses that induce intracytoplasmic, lipophilic inclusion bodies (Bollinger bodies) in the epithelial cells of the integument, respiratory tract, and oral cavity.

A

Poxviruses

  • All birds are considered susceptible to poxvirus
  • environmentally stable
  • cannot penetrate intact skin, and a break in the skin or mucous membrane must be present for infection to occur
223
Q

types of Poxvirus infection

A

Cutaneous - appears as nodular proliferations or wartlike lesions on the unfeathered skin around the eyes, beak, nares, and legs. Most commonly seen in psittacines and raptors.

Diphtheritic - characterized by lesions on the mucosa, tongue, pharynx, and larynx

Systemic - characterized by a ruffled appearance, depression, cyanosis, anorexia, and wartlike tumors of the skin infections

224
Q

dx procedure in poxvirus

A

History, physical examination findings,

and histologic findings of Bollinger bodies in affected tissues.

225
Q

tx for poxvirus

A

Nonspecific and may include supportive care, fluids, parenteral vitamin A, ophthalmic ointments for eye infections, assisted feedings, and antibiotics to prevent or treat secondary infections.

226
Q

MOT of Poxvirus

A
  • insect vectors (mosquito bites) or other entry through breaks in the skin.
  • Vaccines for canarypox, fowlpox, and pigeonpox are available but are specific for their host species.
227
Q

caused by a paramyxovirus group 1, affects most avian species and is a significant threat to the poultry industry

A

Viscerotropic Velogenic Newcastle Disease VVND (Exotic Newcastle disease)

228
Q

MOT of Newcastle

A

respiratory aerosols, fecal contamination of food or water, direct contact with infected birds, and fomites

229
Q

CS for NW

A

unilateral or bilateral wing and leg paralysis, chorea, torticollis, and dilated pupils also may be seen.

230
Q

DD for exotic Newcastle

A

other paramyxoviruses (non-Newcastle),
psittacine proventricular dilatation syndrome, and
heavy metal toxicosis.

231
Q

DX for Exotic Newcastle disease

A

via viral isolation,

but agar gel immunodiffusion tests that can be performed on whole blood or serum

232
Q

lx for exotic NewCastle

A

hepatomegaly, splenomegaly, petechial or ecchymotic hemorrhages on serosal surfaces of all viscera and air sacs, airsacculitis, and excess straw-colored peritoneal fluid.

233
Q

Other Paramyxovirus Infections

A
  1. Paramyxovirus groups 2 - causes mild illness in passerines and a more serious disease in psittacines.
  2. Paramyxovirus group 3 - most frequently inNeophemaspp, lovebirds, and gouldian finches
    tx
    *vaccine for paramyxovirus group 1 should not be used in psittacines, because it can cause fatal reactions.
234
Q

arthropodborne virus in the genusFlavivirus(family Flaviviridae).

A
  • West Nile Virus (WNV)
  • reported in birds in the USA in August 1999.
  • it has been reported in >320 species of birds.
235
Q

have suffered particularly high morbidity and mortality with WNV

A
American crow (Corvus brachyrunchus) and other corvids 
*Other affected species include canaries, psittacines, and raptors.
236
Q

are the principal vectors of disease.

A

Mosquitoes (Culexspp)

237
Q

the most commonly affected WNV

A

Juvenile birds

238
Q

Ophthalmologic findings in raptors with WNV are

A

anterior uveitis, exudative chorioretinal lesions, and chorioretinal scarring.

239
Q

DX test for WNV

A
  • Paired samples submitted 2 wk apart
  • dx determined at necropsy
  • brain and kidney are the preferred tissues
240
Q

tx for WNV

A

*recombinant vaccine 2–4 wk before mosquito season, with a booster 3 wk after the initial dose.

241
Q

caused by an orthomyxovirus.
*zoonotic potential
*

A

Avian Influenza

242
Q

Most pet birds have the potential to live at

A

20−80 yr, depending on their size (with smaller birds having a shorter life span and larger birds a longer life span).

243
Q

Geriatric Diseases of Pet Birds


Cataracts - occur in many species of psittacine birds as they age, notably in

A

*macaws, Amazon parrots, and cockatiels.

244
Q

often develop secondary to infection or trauma or may be age related

A

Cataracts

*Uveitis may also be present.

245
Q

ophthalmic conditions that may be encountered in geriatric birds

A
keratoconjunctivitis sicca, 
corneal ulcerations, 
eyelid abnormalities, 
hypopyon, 
anterior uveitis, 
conjunctival granulomas, 
infection of the conjunctiva (eg,Chlamydia,Mycoplasma, poxvirus), 
Harderian gland adenoma, and 
lymphoma.
246
Q

t/f
Commonly used mydriatics are not useful in birds because of the skeletal (as opposed to smooth) muscle found in the iris.

A

true

247
Q

Arthritis in birds that most common in the digits.

A

Septic arthritis

248
Q
  • also common in geriatric birds and can lead to other issues such as pododermatitis if not caught early and treated.
A

Osteoarthritis

249
Q

Radiographic lesions in arthritis

A

narrowing of the joint space, sclerosis of the subchondral bone, misalignment of the joint, and osteophyte formation.

250
Q

Commonly affected joints are the

A

tarsus, stifle, and phalangeal joints.

*joints of the thoracic limb appear to be less commonly affected.

251
Q

tx for artritis

A

NSAIDs, chondroprotectants, and possibly opioids

*meloxicam(0.5–1 mg/kg, PO, once to twice daily), a COX-2 inhibitor

252
Q

Potential adverse effects of NSAIDs

A

*renal ischemia, so they should be used with caution longterm and at the lowest therapeutic dose possible.

253
Q

may be necessary for acute exacerbations of a chronic arthritic condition or for conditions not responding initially to NSAIDs.

A

Opioids

254
Q

may be used until the NSAIDs take effect.

A

Tramadol(15–30 mg/kg, PO, bid-qid) orbutorphanol(0.5–3 mg/kg, IM, every 4 hr

255
Q

management for arhritis

A

Encouraging flighted birds (without clipped wings) to fly in a safe environment is the best form of exercise

256
Q

may have an anti-inflammatory effect and be renal protective.

A

Fatty acids

*Flax seed oil ( 0.1–0.2 mL/kg/day, PO) is recommended as the best source of fatty acid supplementation for birds.

257
Q

relatively common condition of older pet birds.

  • is often a sequela of osteoarthritis.
  • progressive disease
A

Bumblefoot

258
Q

Effective antibiotics for Pododermatitis /bumblefoot

A

amoxicillin/clavulanate (125 mg/kg, PO, tid), enrofloxacin (10–15 mg/kg, PO, bid), and marbofloxacin (5 mg/kg/day) for 10–14 days.

259
Q

may be seen at any age, but older birds are more likely to develop this kind of dse

A

Renal Disease

260
Q

tx for renal dse

A
  • fluid therapy) and antibiotics
  • Colchicine(0.04 mg/kg, PO, bid) andallopurinol(10–30 mg/kg, PO, bid
  • Essential fatty acids (omega 3) at 0.1–0.22 mL/kg/day, PO, have been used anecdotally
261
Q

has been associated with atherosclerosis in pet birds, and potential risk factors are a sedentary lifestyle, a high-fat diet, and hypercholesterolemia.

A

Cardiac disease

262
Q

CS for cardiac dse

A

right-side heart disease, hepatomegaly and ascites are common.
*In birds, right-side cardiac disease is more prevalent than left-side

263
Q

tx for cardiac dse

A

Enalapril(0.25–0.5 mg/kg/day, PO),furosemide(0.15–2 mg/kg, PO, SC, or IM, once to twice daily), pimobendan (6 mg/kg, PO, bid), anddigoxin(0.01-0.02 mg/kg, PO, bid).

264
Q

a proliferative lesion of the tunica media and tunica intima of elastic and muscular arteries causing abnormal vascular flow and loss of endothelial integrity initiating thrombosis.

A

Atherosclerosis

  • is common in psittacine birds
  • Amazon parrots, macaws, and African grey parrots seem to be particularly susceptible.
265
Q

most affected birds are in what age?

A

10–15 yr old), sedentary lifestyle, and a high-fat diet.

  • At necropsy, grossly thickened arterial walls are seen.
  • Lipemia is often present, and marked increases in cholesterol and triglyceride conc
266
Q

tx for Atherosclerosis

A

Isoxsuprine (10 mg/kg/day, PO) has been used anecdotally with some success.
Essential fatty acids (flax seed oil at 0.1–0.2 mL/kg/day, PO) have been advocated and used to reduce cholesterol and inflammation

267
Q

can affect birds of any age but is more common in geriatric birds.

A

Liver Disease

  • Hepatic lipidosis is most commo
  • n, possibly resulting from longterm feeding of an inappropriate (high-fat) diet
268
Q

can result in fibrosis of the liver and decreased liver function and failure.

A

Chronic liver disease

269
Q

liver dse Imaging (radiographs or CT scan and/or ultrasound) may reveal

A

hepatomegaly or microhepatica.

270
Q

Liver Disease tx

A

silymarin (milk thistle) (100–150 mg/kg, PO, bid) and ursodeoxycholic acid (10–15 mg/kg/day, PO).