oa South African Family Practice - The vagrant in their eyes : peripheralia
Several years ago, I was driving my bakkie on a farm in the Drakensberg. We were passing a field in which a herd of Hereford cows were grazing. The farmer, who was in the passenger seat, casually mentioned that he noticed that one of the cows was ready for the bull. I asked him how he knew that he was in the presence of bovine ovulation. He responded by saying that he had had his milk herd for over 30 years, and knew most of the cows by name. He thought that he caught a movement of the cow out of the corner of his eye, and from experience and stored informal memory, he knew she was ready for the bull (as we fertility experts say).
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