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True or False Quiz on Avian Diseases

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Questions and Answers

Which of the following pathogens is NOT typically associated with requiring co-infection, immunosuppression, or stress to cause disease?

Avibacterium paragallinarum

Actinobacillus pleuropneumoniae

Brucella abortus (correct)

Moraxella bovoculi

Which of the following is NOT a virulence factor produced by Moraxella bovoculi?

Endotoxin

Pilus protein (correct)

IgA protease

Leukotoxin

What is the most common method for the transmission of Actinobacillus pleuropneumoniae to humans?

Inhalation of aerosols from infected pigs

Consuming contaminated pork

Handling and consuming infected birds

Direct contact with infected swine (correct)

Which of the following is NOT a major route of transmission for Avibacterium paragallinarum?

Tick bites Signup and view all the answers

True or False: Contagious pleuropneumonia is caused by Brucella organisms.

False Signup and view all the answers

True or False: Brucella species use leukotoxin to lyse neutrophils and macrophages.

False Signup and view all the answers

Which organism is more likely to cause a septicemia in young pigs and acute fibrino-hemorrhagic pneumonia in older pigs?

Actinobacillus suis Signup and view all the answers

In a multi-age layer flock, which organism causes the most severe disease in older chickens?

Avibacterium paragallinarum Signup and view all the answers

How is Avibacterium paragallinarum usually controlled in layer flocks?

Antibiotics through water Signup and view all the answers

Which organism is currently thought to be the major causative agent in bovine keratoconjunctivitis?

Moraxella bovoculi Signup and view all the answers

Which statement about Brucella is FALSE?

Both horses and birds cannot be infected with species of Brucella Signup and view all the answers

What has the use of the RB51 modified live vaccine significantly reduced?

Risk of transmission of Brucella abortus through unpasteurized milk Signup and view all the answers