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What is the approximate time of ovulation in cattle after the beginning of heat?

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What is the approximate time of ovulation in cattle after the beginning of heat?

(a) 60 hours

(b) 90 hours

(c) 30 hours

(d) 3 hours

This question was posed to me in final exam.

Enquiry is from Diseases and Deficiency topic in section Cow Health of Dairy Engineering

1 Answer

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Best answer
Correct option is (c) 30 hours

The best explanation: Traditionally, the cow that stands still and allows others to mount her is in “standing heat.” Standing is the primary sign of estrus. Ovulation occurs at approximately 24 to 32 hours after the onset of standing estrus in dairy cows.

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