In a cow, the most common site of early embryonic loss is associated with failure of the conceptus to:
Correct answer: A. Produce sufficient interferon tau
- A. Produce sufficient interferon tau
- B. Enter the vagina
- C. Form ovarian follicles
- D. Open the cervix
Explanation
The bovine conceptus must produce adequate interferon tau to prevent maternal luteolysis and maintain the corpus luteum. Failure of this maternal recognition signal can lead to early embryonic loss.
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About Theriogenology and Animal Reproduction
Covers the reproductive anatomy and physiology of male and female domestic animals, including puberty, oestrous cycles, ovulation, fertilisation, pregnancy, parturition and lactation. It also includes artificial insemination, semen evaluation, pregnancy diagnosis, infertility, dystocia and reproductive disorders, with attention to species differences.
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59 free Theriogenology and Animal Reproduction MCQs from Veterinary Science, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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