With calves weaned, veterinarians cross the country conducting pregnancy checks, or preg checking, cow herds. The vet calls out and marks an “O” on the hips of “open” or non-pregnant cows. Producers figure the herd percentage bred by dividing the number of pregnant cows by the total cows exposed. Armed with those numbers, the question can arise, “Why is my open rate so much higher this year?”
Understand causes of reproductive failure
Various factors cause reproductive failure.
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