VCNA September 2021 Flashcards
(6 cards)
A 2-year-old rabbit from a commercial breeding facility presents with acute death in multiple animals over 24–48 hours. On necropsy, lesions are found in the liver and cecum. Which of the following is the most likely diagnosis?
A. Coccidiosis
B. Tyzzer’s disease
C. Rabbit hemorrhagic disease
B. Tyzzer’s disease
In a bird breeding colony, poor chick survival and decreased fertility have been observed. A review shows inappropriate photoperiod management and poor diet diversity. What is the most appropriate first step?
A. Initiate vitamin supplementation
B. Improve environmental enrichment and dietary variation
C. Start antibiotics in breeding pairs
B. Improve environmental enrichment and dietary variation
A veterinarian is considering group medication for a flock of exotic birds using in-water enrofloxacin. What is a major limitation of this treatment method?
A. Causes excessive sedation
B. Leads to uniformly high plasma concentrations
C. Results in variable drug intake among individuals
C. Results in variable drug intake among individuals
A guinea pig breeding facility experiences an outbreak of cervical lymphadenitis with abscesses in multiple animals. What is the most likely etiologic agent?
A. Bordetella bronchiseptica
B. Streptococcus equi subsp. zooepidemicus
C. Mycoplasma pulmonis
B. Streptococcus equi subsp. zooepidemicus
When designing a preventive health care plan for a collection of exotic birds, which of the following is most important during the introduction of new animals?
A. Routine vitamin supplementation
B. Immediate integration into the flock
C. Quarantine and disease screening
C. Quarantine and disease screening
A rabbitry experiences a sudden increase in mortality in weanling rabbits. Diarrhea is profuse and watery. Gram stain reveals large spore-forming bacilli. What is the most likely diagnosis?
A. Coccidiosis
B. Clostridium spiroforme enterotoxemia
C. Colibacillosis
B. Clostridium spiroforme enterotoxemia
