Manipulating Estrous Cycles in Dogs and Cats
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Questions and Answers

Why is the use of megestrol acetate not advised in breeding females?

  • To induce a luteal phase of ~45 days
  • To prevent hyperglycemia secondary to insulin resistance
  • Due to the increased risk of cystic endometrial hyperplasia and pyometra (correct)
  • Because it leads to suppression via down regulation of estrous cycles

    • How can estrus induction in dogs be accomplished?

  • Oral prolactin inhibitors (correct)
  • Inserting a sterile swab into the vagina
  • Administering human chorionic gonadotropin
  • Mating with a vasectomized tom

    • What is the recommended duration of anestrus before inducing estrus in dogs?

  • At least 45 days
  • At least 2 months (correct)
  • At least 1 week
  • At least 6 months

    • How is ovulation induced in estrual queens?

    <p>Physically or hormonally</p> Signup and view all the answers

    What is the preferred method to prevent estrus in dogs and cats?

    <p>Ovariohysterectomy or ovariectomy</p> Signup and view all the answers

    Which adverse effect is associated with the use of androgens for long-term suppression of estrus?

    <p>Clitoral hypertrophy</p> Signup and view all the answers

    What is the reason for not advising the use of androgens in breeding dogs?

    <p>Severe developmental anomalies in female puppies</p> Signup and view all the answers

    How is induction of estrus possible in late anestrus female dogs?

    <p>Using prolactin inhibitors</p> Signup and view all the answers

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