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Pathology II > Lecture 25 and 26: Poultry 2 and 3 > Flashcards

Lecture 25 and 26: Poultry 2 and 3 Flashcards

1
Q

What type of virus is fowl pox

A

poxvirus, aviopoxvirus

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2
Q

what happens with the wet form of fowl pox

A

proliferative ulcerative stomatitis, laryngitis, esophagitis, tracheitis

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3
Q

what are some signs of wet form of fowl pox

A

Dysphagia, aspiration, suffocation

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4
Q

what are some ddx for wet form of fowl pox

A

candidiasis, trichomoniasis, hypovitaminosis A, capillariasis

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5
Q

what wrong with dry form of fowl pox n

A

proliferative crusting dermatitis, blepharitis of unfeathered regions

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6
Q

what are some signs of dry form of fowl pox

A

impede vision, smell and oral function

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7
Q

notice the following lesions and Bolinger bodies on histo. What is likely dx

A

wet and dry forms of fowl pox, avipoxvirus

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8
Q

what type of virus is infectious laryngotracheitis

A

alphaherpesvirus

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9
Q

What are some signs of infectious laryngotracheitis

A

dyspnea, fibrinonecrohemorrhagic tracheitis +/- pseudo membranes, tracheal and glottis occlusion by exudate

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10
Q

T or f: infectious laryngotracheitis is reportable

A

true

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11
Q

what wrong

A

Infectious laryngotracheitis

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12
Q

what type of virus is infectious bronchitis

A

coronavirus

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13
Q

what are some signs of infectious bronchitis

A
  1. Respiratory- serous tracheitis, airsacculitis, pneumonia
  2. Reproduction- thin albumen, wrinkled eggs
  3. Renal: pallor/swelling leading to urolithiasis and visceral gout
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14
Q

what wrong

A

Infectious bronchitis

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15
Q

t or f: infectious bronchitis is reportable

A

true

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16
Q

what type of virus is infectious bursal disease

A

birnavirus

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17
Q

infectious bursal disease is highly contagious in __week old birds, __morbidity, __ mortality

A

3-6 weeks old, high morbidity, moderate- high mortality

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18
Q

what is MOA of infectious bursal disease

A

destroys B lymphocytes of bursa of fabricous—> immunosuppression

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19
Q

what are some signs of infectious bursal disease

A

necrohemorrhagic edematous bursitis, hemorrhages of thighs and pectoral muscles

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20
Q

what is Subclinical form of infectious bursal disease characterized by

A

atrophied bursa= immunosuppression

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21
Q

what type of virus is Newcastle disease

A

paramyxovirus

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22
Q

what are the 3 virulent strains of Newcastle disease and relative mortality

A

lentogenic- negligible mortality
Mesogenic <10% mortality
Velogenic 90-100% mortality

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23
Q

what are some signs of Velogenic Newcastle disease

A

neurologic signs, hemorrhages, and edema, hemorrhage and necrosis of Cecal tonsils

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24
Q

t of f: new castle disease is zoonotic and reportable

A

true (Velogenic- reportable)

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25
what wrong and what caused
Cecal tonsil hemorrhages Cause: new castle disease
26
what is cause of avian cholera: fowl cholera
pasturella multocida
27
t or f: avian cholera is not reportable
false
28
avian cholera may cause __ and __ in large numbers
septicemia and death
29
what are the per acute, acute, and chronic signs of avian cholera/ fowl cholera
per acute: no gross lesions Acute: necrohemorrhagic hepatitis, hemorrhages, salpingitis, pleuropneumonia Chronic: fibrinoheterophilic exudate in wattles, joints, hocks, egg yolk peritonitis
30
Tons of birds died on property, necropsies showed the following signs- what wrong and what likely cause
hepatic necrosis, exudate in wattles, pleuropneumonia Cause: avian cholera: fowl cholera (Pasturella multocida)
31
what does FESSE stand for in colibacillosis
F: fibrinoheterophilic inflammation E: environmental disease S: secondary: look for primary cause or husbandry issue S: septicemia: polyserositis, omphalitis, salpingitis, hypopyon E: E. Coli
32
what could cause the following signs
E. Coli
33
clostridial diseases effect __ or __ and cause __ inflammation
skin or intestines, necrotizing inflammation
34
C. Septicum and C. Perfringes in chickens causes what
necrotizing dermatitis (skin)
35
what is pathogenesis of C. Septicum and C. Perfringes causing necrotizing dermatitis in chickens
broilers overcrowded, wet little—> skin trauma—> environmental bacteria invade
36
C. Septicum and C. Perfringes causes what in turkeys
gangrenous dermatitis
37
what is pathogenesis of C. Septicum and C. Perfringes causing gangrenous dermatitis in turkeys
predisposed by large clostridia loads—> wet environments and host gut Cannibalism may spread
38
what does C. Colinum cause in bobwhite quail
ulcerative enteritis SI ulcers Hepatitis
39
what is pathogenesis of C. Colinum causing ulcerative enteritis in bobwhite quail
horizontal transmission via feces or flies
40
what is mortality rate of C. Colinum in bobwhite quail
100% mortality in 2 weeks
41
what does C. Perfringes cause in chickens and turkeys
necrotic enteritis, fibrinonecrotizing enteritis
42
which clostridial disease causes “Turkish towel”
C. Perfringes
43
what wrong and what could have caused
necrotizing dermatitis C. Perfringes or C. Septicum
44
turkey- what wrong and what could have caused
Gangrenous dermatitis, C. Perfringes and C. Septicum
45
bobwhite quail, what wrong and what could have caused
SI ulcers, hepatitis C. Colinum
46
what wrong and what cause
Turkish towel C. Perfringes
47
What are some signs of E. Rhusiopathie
widespread hemorrhage, endocarditis, swelling of head, fibrinous arthritis
48
t or f: E. Rhusiopathie is zoonotic
true
49
what wrong and what pathogenesis
footpad dermatitis Husbandry issue—> repeated plantar damage—> bacteria invade—> pododermatitis—> osteomyelitis, arthritis, cellulitis, bacteremia
50
what systems does mycoplasmosis affect
joints and respiratory
51
which mycoplasma is reportable
Mycoplasma galliseptoicum
52
which mycoplasma infects turkeys
mycoplasma melagridis
53
what wrong and what could have caused these lesions
Swelling of infraorbital sinuses, airsacculitis, swelling of joints Mycoplasma
54
who does avibacterium paragallinarium infect
chickens
55
what are some signs of avibacterium paragallinarium
decreased egg production, hyporexia, oculonasal discharge, face/eyelid edema, intraorbital sinusiits
56
perform necropsy and thick, fowl smelling pus comes out what is likely cause
avibacterium paragallinarium
57
what salmonella causes bacillary white diarrhea
salmonella pullorum
58
Salmonella pullorum often fatal in __
young birds
59
what are some lesions associated with salmonella pullorum
Cecal plugs (fibrinonecrotizing typhilitis)
60
with salmonella disease is reportable
S. Pullorum
61
what salmonella causes bronze liver in adults
salmonella gallinarium
62
what wrong and what could have caused
Cecal plug Salmonellosis pullorum
63
what wrong and what could have caused
bronze liver Salmonella gallinarium
64
what is cause or “raccoon eye” in turkeys
bordetella avium
65
what are some signs of raccoon eye
voice change/loss, snickering/flicking, mucous exudate, tracheitis, periocular feathers matted
66
what likely cause
Bordetella avium (raccoon eye)
67
Which of the following are more likely to be from mites vs lice
right- mites- extremity of feather Left- lice- base of feather
68
what is ascariasis
infection with mites
69
What caused these lesions
scales leg mite: knemidocoptes mutants
70
knemidocoptes mutants targets __birds
older bites
71
how is knemidocoptes mutants transmitted
horizontal transmission via direct contact
72
what are some signs of knemidocoptes mutants
lameness, impedes joint flexion, toe amputation
73
What these
chigger mites
74
what capillarium requires indirect life cycle via earthworm and therefore less likely to be problem in indoor housing
C. Annulata
75
what this
capillariasis
76
Trachea- what these
syngamus trachea (gape worms)
77
what are some signs of syngamus trachea
dyspnea, coughing, gasping, head shaking, death due to suffocation, catarrhal tracheitis
78
what is the most common and most expensive disease of poultry
coccidiosis
79
where does eimeria tenella live and what does it cause
colon and cecum Necrohemorrhagic typhilitis/colitis
80
what caused this
eimeria tenella
81
heterakis gallinarium is __worm of __ and __
cecal worm of chickens and turkeys
82
heterakis gallinarium is important vector for
histamines meleagridis
83
what species have high vs low susceptibility to histomonas meleagridis
high: turkeys Low: chickens
84
what does histmonas meleagridis cause
necrotizing hepatitis, and fibrinonecrotizing typhilitis
85
what type of inflammation does aspergillosis/ A. Fumigates cause
fibrinonecrocaseous granulomatous airsacculitis
86
what is likely cause of these lesions
Aspergillus
87
what wrong
riboflavin deficiency, hypovitaminosis B2
88
what are some signs of vitamin E deficiency/ crazy chick disease
1. Cerebellar encephalomalacia 2. Muscle dystrophy 3. Exudative diathesis
89
what wrong and what could have cause this
cherry cerebellum Cause: vitamin E deficiency
90
what wrong and what pathogenesis
ascites syndrome, hydropericardium Rapid growth of muscle develop but low lung volume: body weight ratio—> large muscles demand O2 and resp. Can’T keep up—> increase cardiac output to increase pulmonary perfusion—> pulmonary hypertension—> increase workload of RV—> RV dilates and fails—> RSHF—> increase venous pressure and hydrostatic pressure—> ascites, hydropericardium, pulmonary edema, cyanosis—> death by suffocation
91
What wrong and what pathogenesis
deep pectoral myopathy/ green muscle dz Birds flapping wings a lot—> swelling of supracoracoideus muscle—> increase pressure on fascial sheath and dorsal sternum—> vascular occlusion—> decrease vascular perfusion—> ischemic necrosis
92
what is wrong and what are two possible pathogenesis
Fatty liver hemorrhagic syndrome Path #1: hepatic lipidosis—> hepatocellular vacuole swelling—> disrupt reticulum structure of hepatic plates—> sinusoidal hemorrhage—> hepatic rupture—> fatal hemocoleom Path #2: hepatocellular swelling—> excessive lipid metabolism—> free radical mediated destruction of reticulum—> sinusoidal hemorrhage—> hepatic rupture—> fatal hemocoleom

Pathology II (26 decks)

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