veterinarians castrating a cryptorchid horse

The World of Cryptorchids

I have a theory that states the size of a stallion’s testicles is inversely proportional to their “undesirable” behavior. Stated another way, the smaller the testicles, the more the attitude; the larger the testicles, the calmer-minded the stallion. Over 20 years of equine veterinary medicine, I have found this to be true of horses and […]