What does it mean when a mare mounts another mare?

horse mounting another horse

During development, the gonads of male and female equine fetuses produce significant amounts of testosterone, which crosses the placenta into the mare’s blood stream. An elevation in testosterone might result in behavioral changes, including aggression, herd dominance and teasing or mounting other mares. What is hand breeding a horse? Hand mating (also known as “in-hand breeding” … Read more