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ICC: Farm Animal > STUDY HELPERS Poultry > Flashcards

STUDY HELPERS Poultry Flashcards

1
Q

How do you diagnose gizzard lesions?

A

Histopath: inclusion bodies in gizzard

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2
Q

What is the agent in necrotic enteritis?

A

overgrowth of C. perfringens

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3
Q

How do you treat necrotic enteritis?

A

Amoxicillin

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4
Q

How do you treat coccidiosis?

A

Amprolium - resistance is common so various programs are used to vary the coccidiostate - withdrawal periods
ABs- amoxicillin
TLC/multivitamins

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5
Q

How do you diagnose coccidiosis?

A

Faecal oocyst counts (McMasters)

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6
Q

How do you control against dysbacteriosis?

A 
Organic acids in the drking water
Compettive exclusion (Lactobacilli)
Feed additives (Fibria blockers to disrupt E. coli)
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7
Q

What does the faeces of a bird with dysbacteriosis look like?

A

Foamy, glistening, orangey

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8
Q

What is a suitable anti-viral disinfectant after a viral enteritis outbreak?

A

Formaldehyde
Peroxide
Gluteraldehyde

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9
Q

What is the agent of blackhead?

A

Histomonas meleagridis with intermediate host heterakis

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10
Q

How do you daignose blackhead?

A

PM: caecal cores and circumscribed hobnail lesions on the surface of hte liver

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11
Q

What worms are found in chickens and where is each found?

A

Ascardis - GI
Capillaria - crop
Heterakis - caecum
Gape worm - trachea

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12
Q

How do you treat worms in chickens?

A

Flubendazole

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13
Q

What is the agent of infectious bronchitis?

A

oronavirus

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14
Q

Describe the pathogenesis if infectious bronchitis.

A

respiratory tract or droppings shed > enters via trachea > to blood > kideny and/or oviduct (can cause permanent damage if in young birds) > egg shell thinning and loss of colour

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15
Q

What is the agent of infectious laryngotracheitis?

A

herpes virus

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16
Q

What are the clinical signs of infectious laryngotracheitis?

A

production drops
pus and plugs in trachea > death
coughing

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17
Q

How do you treat infectious laryngotracheitis?

A

aspirin

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18
Q

What is the pathogenesis of gumboro disease?

A

Bursa of Fabricius actively seeds B type lymphocytes (which later become antibody producing cells) to secondary lymphoid sites

IBD infections cause injury to bursa > compromised antibody mediated mechanisms

19
Q

Describe the pathogenesis of ascities.

A

Large feed = high oxygen demand > increased HR > hypertension > ascites

20
Q

How do you control against ascities?

A

Temp control
CO2 control
Air quality

21
Q

What is the agent of rickets?

A

Deficiency of Ca or Ph or vitD

22
Q

What is a common sequelae to IBD?

A

Infectious skeletal disorders due to mycoplasma or staphy

23
Q

What is a common sequelae to egg yolk peritonitis and why?

A

Secondary bacterial infection of E.coli

Yolk is a good growth medium + E.coli from air sacs via inspiration

24
Q

What is EODES?

A

erratic oviposition and defective egg syndrome

double yolked eggs, prolapses of the oviduct, internal ovulation, internal laying

25
Q

What is the agent of Marek’s disease?

A

Herpesvirus

26
Q

Describe the pathogenesis of Mareks disease.

A

Breathe in contaminated dust/dander > transofrms T-cells > immunosuppresion and tummors

27
Q

What are the two forms of Mareks disease and how do they differ?

A

Acute: liver and spleen
Classical: neurones > ataxia and paralysis

28
Q

What is the agent of fowl cholera?

A

P. multocida

29
Q

What is broodiness and how do you treat it?

A

Hen is aggressive and stays in her nest and puffs herslef up

Try to place hen in wire bottom cage in a bright place

30
Q

What is the agent of yolk sac infection?

A

E. coli

31
Q

How do you teat yolk sace infection?

A

Euthanise or give ABs for mildly affected flock mates and to protect other chicks (Amoxicillin)

32
Q

What agents cause sneezing in chickens?

A 
IB
MG
ILT
ND
AI
Gapeworm
33
Q

How do you treat sneezing?

A

Antimicrobial therapy (tiamulin)
Isolate
TLC

34
Q

How do you treat egg bound?

A

Lubrication
ABs for secondary infection
Break manuualy remove
Spay

35
Q

How do you treat meningitis in chickens?

A

Antimicrobial that is capable of crossing BBB (enrofloxacilin)

36
Q

What is the agent of sour crop?

A

Candida from mouldy feed

37
Q

How do you treat sour crop?

A

Surgery with lavage and antifungals

38
Q

How do you treat feather pecking?

A

Distrat them and supplement their diet
Anti-pecking spray
Red or green light at reduced light intensity

39
Q

What types of lice to chickens get?

A

Chicken louse - grey/yellow around vent

Northern mite - dark brown

40
Q

How do you treat lice?

A

Frontline

41
Q

How do you treat red mites?

A

insectifices or v. fine powders

42
Q

How do you treat scally leg mites?

A

Wash legs and dry
Dunk legs into surgical spirit
Soften with vaseline
Do weekly

Ivermectin drops

43
Q

What agent causes furunculosis in FISH? How do you treat and prevent it?

A

Aeromonas salmonicida (bacterial septicaemia)

ABs in food
Vaccine - but has side effects

44
Q

What is the agent that cuases sea lice?

A

Lepeophtheirus salmonis

Califus elongatus

ICC: Farm Animal (54 decks)

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