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 (C)</p> Signup and view all the answers

What are the clinical signs of CEM in infected mares?

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

What is the primary mode of transmission for CEM?

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

Why does CEM cause an environment hostile to embryos?

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

How durable is Taylorela equigenitalis outside the host?

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

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

<p>Humoral immune response (A)</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 (C)</p> Signup and view all the answers

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

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

What is the recommended treatment for CEM in mares?

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

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

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

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

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

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

<p>Ingestion of Eastern tent caterpillars (C)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

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

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

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

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

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