Infectious Causes of Equine Infertility Quiz
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Questions and Answers

What is the causative agent of Contagious Equine Metritis (CEM)?

  • Equine Herpes Virus
  • Streptomycin resistant bacteria
  • Taylorela equigenitalis (correct)
  • Gram-negative bacillus

    • What are the clinical signs of CEM in stallions?

  • Mucopurulent vaginal discharge
  • Cervicitis
  • Endometritis
  • None (correct)

    • How does CEM transmit from mare to foal?

  • Via contaminated bedding
  • By sharing feed and water buckets
  • Through respiratory droplets
  • Direct venereal contact (correct)

    • What are the two biotypes of Taylorela equigenitalis?

    <p>Streptomycin resistant v Non-resistant</p> Signup and view all the answers

    What are the clinical signs of CEM in infected mares?

    <p>Mucopurulent vaginal discharge</p> Signup and view all the answers

    What is the primary mode of transmission for CEM?

    <p>High fomite transmission</p> Signup and view all the answers

    Why does CEM cause an environment hostile to embryos?

    <p>Due to endometritis, cervicitis, and vaginitis</p> Signup and view all the answers

    How durable is Taylorela equigenitalis outside the host?

    <p>Not very durable</p> Signup and view all the answers

    What is the most common immune response in mares after exposure to CEM?

    <p>Humoral immune response</p> Signup and view all the answers

    What is the recommended culture medium for diagnosing CEM due to the fastidious nature of the organism?

    <p>Charcoal Aimes culturettes</p> Signup and view all the answers

    Where are the common culture sites for detecting CEM in stallions?

    <p>Urethra and prepuce</p> Signup and view all the answers

    What is the recommended treatment for CEM in mares?

    <p>Lavaging the clitoris and clitoral sinuses</p> Signup and view all the answers

    What is the other name for Mare Reproductive Loss Syndrome (MRLS)?

    <p>Equine Amnionitis and Fetal Loss</p> Signup and view all the answers

    At what stage of pregnancy is Early Fetal Loss (EFL) usually detected?

    <p>55-75 days</p> Signup and view all the answers

    What was the suspected cause of Mare Reproductive Loss Syndrome (MRLS)?

    <p>Ingestion of Eastern tent caterpillars</p> Signup and view all the answers

    What is the proposed hypothesis for the pathogenesis of Mare Reproductive Loss Syndrome (MRLS)?

    <p>Ingestion of barbed setal fragments of Eastern tent caterpillars</p> Signup and view all the answers

    What is the recommended treatment for Late Fetal Loss (LFL) due to MRLS?

    <p>Supportive care with poor prognosis</p> Signup and view all the answers

    Which Equine Herpes Virus (EHV) is a greater cause of abortion and neonatal mortality?

    <p>EHV-1</p> Signup and view all the answers

    What is the recommended treatment for Equine Coital Exanthema (EHV-3)?

    <p>Sexual rest</p> Signup and view all the answers

    How is Equine Coital Exanthema (EHV-3) primarily transmitted?

    <p>Venereal transmission</p> Signup and view all the answers

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