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Turkey Coryza and Bordetellosis Quiz

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Questions and Answers

What is the primary cause of Turkey Coryza?

Alkaligenes faecalis
Guinea pig erythrocytes
Trypticase soy blood agar
Bordetella avium (correct)

Which of the following factors influences the pathogenesis of Turkey Coryza?

Iron acquisition is necessary for colonization and spread of B. avium in the host
Trypticase soy blood agar isolation
Gram-negative rods
Hemagglutination of Guinea pig erythrocytes (correct)

Which toxin produced by Bordetella avium leads to tracheal softening and collapse?

Endotoxin (heat stable)
Osteotoxin (correct)
Dermonecrotic toxin
Tracheal cytotoxin

What controls the expression of most virulence factors in Bordetella avium?

Proteins encoded by the bvg locus (B) Signup and view all the answers

Which type of receptors are necessary for the colonization and spread of B. avium in the host?

Heme receptors (B) Signup and view all the answers

What is the primary natural host for Bordetella avium?

Turkey poults (C) Signup and view all the answers

Which of the following is a predisposing factor for Bordetellosis?

Infection with respiratory pathogens like Avian Influenza Virus (C) Signup and view all the answers

Which of the following is not a clinical sign of Bordetellosis in turkeys?

Excessive egg production (C) Signup and view all the answers

What is a post mortem lesion typically associated with Bordetellosis in turkeys?

Inflammation of turbinates and sinus (C) Signup and view all the answers

What is the primary mode of transmission of Bordetella avium?

Close contact with contaminated materials (A) Signup and view all the answers