Unlike most species that ovulate during estrus (heat), cattle are unique because ovulation occurs spontaneously after estrus has ended (specifically during early metestrus). Ovulation typically takes place approximately 12 to 18 hours after the end of standing heat (or 24 to 32 hours after the initial onset of estrus), which forms the basis for the standard AM-PM breeding rule in artificial insemination.
What is the approximate time of ovulation in cattle?
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Question context
This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.