Pigeons, Doves, And Passerines Flashcards

1
Q

Columbiformes dietary category

A

Herbivores

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2
Q

T or F: Columbiformes are diurnal. What does that mean?

A

True; spend a lot of time on land, perching, or in flight

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3
Q

What type of young do columbiformes have

A

Altricial

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4
Q

Pigeons (columbiformes) have an extensive…

A

Plexus venosus subcutaneus collaris

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5
Q

T or F: pigeons have small crops

A

False; they are large

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6
Q

Male and female pigeons have crops that…

A

Produce “crop milk” to feed young squabs

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7
Q

Ideal housing for pigeons

A

Sunny, dry, well ventilated and insulated loft

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8
Q

What should be included in the housing of pigeons to minimize feather damage

A

Perches and boxes, but they should be able to accommodate pecking order

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9
Q

Pecking order

A
  • dominant birds= highest perches
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10
Q

Why should an enclosed area beneath the loft be included?

A

To exclude feral birds

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11
Q

What feed should pigeons get & what should also be offered

A
  • pelleted feed
  • offer grit and mineral salts
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12
Q

How long should newly purchased birds be quarantined?

A

30 days

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13
Q

How should wild pigeons be housed from owned pigeons

A

Individually and separately

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14
Q

Major virus that causes head and neck problems

A

Paramyxovirus type 1

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15
Q

Clinical signs of paramyxovirus type 1

A

PU/PD (can last 6-8 wks), normal uric acid lvls, torticollis, ataxia, trembling wings, paresis, paralysis

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16
Q

What type of clinical signs are not developed during paramyxovirus type 1 infections

A

GI and respiratory

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17
Q

Morbidity and mortality of paramyxovirus type 1 infections

A
  • morbidity usually 100%
  • mortality <5%
  • 70% birds recover
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18
Q

Transmission and incubation pd of paramyxovirus type 1

A
  • orally or aerosol transmission
  • incubation pd 5-35 days
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19
Q

Where does the paramyxovirus type 1 spread

A

Kidneys and/or CNS

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20
Q

Dx of paramyxovirus type 1 (4)

A
  • clinical signs
  • hemagglutination inhibition tests w/ paired sera of multiple pigeons
  • histopath
  • viral isolation
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21
Q

Dx & control of paramyxovirus type 1

A
  • supportive care
  • vx w/ killed adjuvated products w/ pigeon PVM strain or poultry LaSota strain
  • cull affected pigeons
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22
Q

Zoonotic and other types of paramyxovirus type 1 concerns

A
  • potential spread to poultry farms
  • linked to human deaths in immunocompromised individuals
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23
Q

Pox virus that causes skin problems

A

Pigeon pox

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24
Q

Incubation pd of pox virus

A

10 to 20 days

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25
Q

Pox viruses mostly affect ________ pigeons

A

Young

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26
Q

Most pox virus infections occur in

A

Late summer and fall

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27
Q

Pox virus is transmitted via

A
  • shedding of infected epithelial cells (direct)
  • vectors (indirect)
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28
Q

Where does the pox virus spread to from initial skin lesions

A

Internal organs then distant skin/mucosa

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29
Q

2 forms of pox virus

A

Cutaneous & diptheritic

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30
Q

Atypical pox virus

A
  • wart like lesions on body/wings
  • contain black/bloody material
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31
Q

Dx for pox virus

A
  • characteristic lesions
  • histological exam (intracytoplasmic inclusion bodies)
32
Q

Tx for pox virus

A
  • supportive
  • prevent 2ndary infection
  • DO NOT SX REMOVE
  • Vx w/ live, attenuated, homologous pox virus
33
Q

Chlamydiosis

A
  • endemic
  • transmitted via adult to squab via feeding
  • low virulence
  • signs: respiratory and gi
  • recovered birds can be carriers
34
Q

Is pigeon chlamydia zoonotic?

A

YES

35
Q

Trichomonas

A
  • pigeon= primary host
  • occurs in birds that feed on pigeons (frounce)
  • very common
  • severe lesions in nestlings and young birds
  • protozoan parasites colonize crop and esophagus
36
Q

Trichomonas lesions

A
  • Dependent on virulence and pigeon age
  • small, yellow, circumscribed lesions (can grow into caseous masses)
  • smaller lesions don’t bleed when removed
  • leads to maluntrition and starvation
37
Q

Trichomonas Dx

A
  • crop swab/cytology
38
Q

Tx of trichomonas

A
  • metronidazole (ends in “-azole”)
  • removal of infected birds
  • prevent feed contamination
39
Q

Upper GI signs of trichomonas

A

Candida

40
Q

Turkish towel is

A

Candida albicans

41
Q

Candida albicans

A
  • transmitted in food and water
  • yeast-like
  • not normally pathogenic in GI
  • clinical signs: listless, stunted, rough feathering
42
Q

Dx for candida albicans

A
  • turkish towel on crop mucose
  • cytology
43
Q

Tx for candida albicans

A
  • nystatin
  • copper sulfate in h2o
44
Q

3 GI abnormalities

A
  • salmonella
  • chlamydia
  • coccidia
45
Q

Pathognmonic sign of salmonellosis in pigeons

A

Extensive swelling of the elbow

46
Q

Specific strain of salmonellosis for pigeons

A

S. Typhimurium

  • gram -ve, facultative, intracellular
47
Q

Spread of salmonellosis

A
  • GIT -> rest of body
  • fecal/orally transmitted (vertically)
48
Q

Clinical signs of salmonellosis

A
  • start w/ inappetance, bloody diarrhea, PU, green tinged urates
  • can cause focal necrosis w/ formation of abscesses and granulomas
49
Q

Dx salmonellosis

A
  • isolation from internal organs
  • isolation from feces (pool samples over 5 days)
  • slide agglutination tests
50
Q

Control of salmonellosis

A
  • sanitation
  • euthanize infected birds
  • antimicrobial tx (enrofloxacin, trimethoprim sulfa)
  • vx
51
Q

In pigeons and doves, which 2 drugs cause a toxicosis assc. w/ capillaria obsignata

A
  • fenbendazole
  • albendazole
52
Q

2 common spp of coccidiosis

A

E. Labbeana and columbarum

53
Q

Transmission and incidence/pathogenicity of coccidiosis

A
  • high incidence/low pathogenicity
  • fecal/oral transmission
54
Q

Clinical signs of coccidiosis

A
  • enteritis
  • wt loss (esp. young birds)
55
Q

Are pigeons continuous carriers of coccidia after they develop immunity

A

No

56
Q

Dx and tx of coccidiosis

A
  • fecal flotation
  • heavy infest. Tx w/ sulfa drugs
57
Q

Passerine anatomic info

A
  • small land birds
  • beak conformation varies by species feeding habits
58
Q

Passerines have high _____ _____ rates

A

Basal metabolic

59
Q

Passerine nestlings are…

A

Altricial

60
Q

What type of passerines have a crop and large muscular ventriculus

A

Seed-eating

61
Q

What nutrients are highly digested by passerines

A

Fat and starch

62
Q

The ____ ability in passerines is highly developed and related to ________ anatomy

A

Singing; syringeal

63
Q

What is special about the passerine respiratory system

A

Its highly efficient

64
Q

Mixed ornamental aviary housing

A
  • outside w/ a sheltered area
  • different species housed together
  • species specific diseases restricted to few individuals
  • usually planted
65
Q

Breeding aviary housing

A
  • inside
  • same spp housed together
  • birds kept in couples & produce 2-3 clutches/season then separated in winter
  • fledglings kept in communal flight pens
66
Q

Handling & restraint

A
  • capture in dark cage/room
  • don’t restrict movement of sternum!!!!!!
  • keep handling short!!!!!
67
Q

Name of toxic gas from nonstick cookware

A

Poluytetrafluoroethylene

68
Q

Mycoplasma conjunctivits in wild finches signs

A
  • mildly swollen eyelids to severe conjunctivitis w/ mucoid discharge
  • may have visual impairment-> starvation and vulnerability to attacks
69
Q

Wild finch mycoplasma conjunctivitis tx

A
  • tetracycline drops/ointment for eye for 5 days
  • oral tylosin as drinking water source for 21 days min.
70
Q

Can wild finches be subclinical carriers of mycoplasma conjunctivitis after tx?

A

Yes

71
Q

Mycoplasma conjunctivitis spread

A
  • contact between infected birds & between infected surfaces
  • higher incidence in cold months
72
Q

Syngamus trachea

A
  • in outdoor aviaries
  • srs problem in mynahs, corvids, and starlings
73
Q

Transport hosts of syngamus trachea

A

Earthworms

74
Q

Clinical signs of syngamus trachea

A

Gasping for breath, death by tracheal occlusion

75
Q

Dx of syngamus trachea

A

Tracheal transillumination or fecal exam

76
Q

Tx of syngamus trachea

A

Low dose of antihelminthic (fenbendazole) or ivermectin over several days