Can a bull serve the same cows for more than a year, or do farmers use a different bull each year?
Md Ariful Islam
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Dr. Md Rushad Rahman
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A bull can be used to service the same cows every year so long as he isn't breeding his own daughters. When that bull's daughters reach breeding age (~15 months), a different bull will need to be used to avoid inbreeding. The lifespan of a bull in a breeding herd can range from 2 to 15 years, and all depends on his temperament, libido, and fertility.
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