I bought a really nice Angus bull at a sale barn, but when I got him home, I noticed his sac did not look right. I got him in the chute, and I don't think he has but one testicle. Can he still breed cows?
If you are correct, this bull has a condition called cryptorchidism. This means one or both testicles failed to descend into the scrotum. In almost all cases, this condition is inherited. That would be one reason not to use this bull. This is not a trait you want to pass down to your calves.
Another good reason not to use the bull from the sale barn is that he could be carrying venereal or other diseases that might infect your herd and cost you calves.
This bull would not pass a breeding soundness evaluation just based on the condition you describe. But it is highly unlikely he would even meet the minimum scrotal circumference required of bulls. Scrotal circumference is strongly correlated to a bull's ability to settle cows and especially his ability to service several cows during a short time frame.
So could this bull get cows pregnant? Probably. Could he get as many cows bred early in the breeding season as a normal and highly fertile bull? Probably not.
Calves are worth too much anytime to gamble with a bull. But this is even truer with today's prices. I always recommend buying bulls from reputable breeders who stand behind their cattle. I also recommend having your veterinarian conduct a breeding soundness evaluation on every bull prior to every breeding season.
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