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Avian Health > LECTURE 16: Respiratory Diseases III > Flashcards

LECTURE 16: Respiratory Diseases III Flashcards

1
Q

What is Coryza?

A

Gram negative bacteria, HARD TO GROW

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2
Q

Who is generally the host for coryza?

A

chickens

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3
Q

What are the clinical signs of coryza?

A
  1. Sharp decrease in feed and water consumption
  2. Sharp drop in egg production
  3. Swollen faces, wattles, eyes, nasal discharge
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4
Q

What are the gross findings of coryza?

A

Catarrhal sinusitis, rhinitis

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5
Q

What is the diagnosis for coryza?

A

Bacterial isolation, PCR

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6
Q

What is the treatment for coryza?

A

No labeled treatment, off label tetracycline, sulfa drugs

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7
Q

What are methods of prevention and control for coryza?

A

Commercial bacterin during rearing stages
Vaccines are serovar specific
All in all out depopulate

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8
Q

Turkey coryza is what kind of bacteria?

A

Gram negative

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9
Q

How is turkey coryza transmitted?

A

Horizontal

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10
Q

Does turkey coryza just affect turkeys?

A

No

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11
Q

What are the clinical signs of turkey coryza?

A

sneezing, tracheal rales, open mouth breathing

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12
Q

What are the gross and microscopic lesions of turkey coryza?

A
  1. Mucoid rhinitis
  2. Bacteria adhered to brush border
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13
Q

What is the diagnosis for turkey coryza?

A

Isolate bacteria from mid trachea, blood ELISA testing

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14
Q

What are treatments for turkey coryza?

A

vaccination
water sanitation programs

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15
Q

ORT is what type of bacteria?

A

Gram negative bacteria

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16
Q

What is an important turkey disease that is highly contagious found in grow finish stage?

A

ORT

17
Q

What are the clinical signs of ORT?

A

sinusitis, tracheitis, lung consolidation

18
Q

What is the diagnosis for ORT?

A

Culture and isolation, blood, PCR

19
Q

What is the treatment and control for ORT?

A

Tetracyclines/amoxicillin
No commercially approved vaccines

20
Q

What is aspergillosis (brooder pneumonia)

A

Fungi

21
Q

What is the most common gross lesion of aspergillosis?

A

granulomatous nodules

22
Q

What is the diagnosis of brooder pneumonia?

A
  1. fungal culture
  2. Gross and histopathologic lesions
23
Q

What are methods of treatment or control for brooder pneumonia?

A
  1. Treatment and affected birds is generally ineffective
  2. Good hatchery and brooder barn sanitation
24
Q

What are two parasites that cause respiratory diseases?

A
  1. Trachea worms (game birds) mates in a y shape
  2. Cryptosporidium baileyi

Avian Health (23 decks)

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