Veterinary Technician

Category - Pharmacology

Which of the following equine vaccines was developed for use exclusively in breeding stallions, stud colts intended for breeding, and seronegative open mares?
  1. Rotavirus A
  2. EHV-1 and EHV-4
  3. Equine viral arteritis
  4. Botulism
Explanation
Answer: C - Equine viral arteritis was developed for use exclusively in breeding stallions, stud colts intended for breeding, and seronegative open mares. Equine viral arteritis is sexually transmitted and may be shed in semen for up to 21 days. Vaccinated mares do not develop clinical signs even though they become transiently infected and may shed virus for a short time.
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