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18 to 21 days and conception occurs on 3rd day of cycle

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11y ago

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Pigs have a 21-day estrous cycle, with ovulation occurring around day 2-3. If the sow does not conceive, she will go through a heat period every 21 days. The duration of estrus, or heat, is typically 1-3 days.

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9mo ago
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Q: What is the menstrual cycle for pigs?
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