What health issue can arise from poor perineal conformation in mares?

A health issue that can arise from poor perineal conformation in mares is pneumovagina. This condition occurs when air enters the vagina, which can lead to an increased risk of infections and complications during breeding or foaling. Poor conformation, such as an angled or recessed perineum, can fail to adequately seal the vaginal area, allowing air and potential contaminants to enter.

Pneumovagina is particularly significant in breeding mares, as it can impact fertility and the health of the developing fetus. By maintaining proper perineal conformation, the likelihood of this condition can be minimized, leading to improved reproductive health and overall well-being for the mare.