When many breeders consider mare fertility issues, most don’t consider that the oviduct—the slender channel through which eggs travel from ovary to uterus—could be causing problems. While oviduct-related fertility issues are rare in horses, breeders should be aware of what can go wrong with this important structure.

At the 2013 Society for Theriogenology Conference, held Aug. 7-10 in Louisville, Ky., Patricia Sertich, VMD, Dipl. ACT, associate professor at the University of Pennsylvania School of Veterinary Medicine, reviewed common oviductal problems with veterinarians