A queen usually requires which event to induce an adequate preovulatory luteinising hormone release?
Correct answer: A. Copulation or cervical stimulation
- A. Copulation or cervical stimulation
- B. A sudden fall in progesterone
- C. A prolonged period of fasting
- D. Complete follicular luteinisation before mating
Explanation
The queen is an induced ovulator, and mating commonly provides the neural stimulation needed to trigger an LH surge and ovulation. Ovulation therefore does not usually occur reliably from follicular development alone, as it does in spontaneous ovulators.
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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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