Category Archives: breeding problems

Anovulatory Hemorrhagic Follicles (AHF)

Posted: | January 23, 2021

Persistent Anovulatory Follicles – Anovulatory Hemorrhagic Follicles, Luteinized Unruptured Follicles, PAFs, AHFs, LUFs – all follicular headaches in the mare! By Jos Mottershead You’re following a mare’s follicular development using ultrasound prior to breeding and are relieved to see a good sized follicle developing. Unusually, the follicle continues to develop beyond the size at which you normally see… Read More »

Chromosome Translocation

Posted: | January 16, 2021

Early Embryonic Loss and Genetics – Chromosomal translocations in horses may be a cause of early pregnancy loss or pregnancy failure. Dr. Teri Lear discusses the issue. By Dr. Teri L. Lear Chromosomes are large segments of DNA wound around special proteins within each cell’s nucleus. They contain nearly all of the body’s genetic material. Horses have 64… Read More »

Individual Tuition

Posted: | December 17, 2020

One-on-one Horse Breeding Training While we are renowned for offering short courses on the subject of horse breeding worldwide, we not infrequently encounter people either at the courses or through our website who are in need of more specific one-on-one horse breeding training. Perhaps they do not own stallions but want to learn more about the reproductive aspects… Read More »

You’re Ready to Breed Your Mare – But is the Semen OK?

Posted: | December 15, 2020

The Semen Looked Bad – Or Is It? Maybe not as bad as you think! A review of what constitutes a cooled semen dose, looking at some newer research and older dogma. By Jos Mottershead and Kathy St. Martin During the course of the breeding season – especially on the EquineRepro Facebook Group that we manage – we… Read More »

Early Embryonic Death (EED) – what it is and why it may happen

Posted: | December 3, 2020

Early Embryonic Death – Noted reproductive veterinarian Dr. Jon Pycock explores early embryonic death in the mare and some possible resolutions to the problem. By Jonathan F Pycock, BVetMed, PhD, DESM, MRCVS, RCVS Specialist in Equine Reproduction For all horse breeders, it is important to realize that not every mare will give birth to a live foal. Failure… Read More »

Dealing with the Older Maiden Mare Syndrome

Posted: | November 16, 2020

Breeding the Old Maiden Mare – Older maiden mares present problems of their own in achieving pregnancy. Noted reproductive expert Dr Jon Pycock explores some solutions. By Dr. Jonathan F Pycock, B.Vet.Med., Ph.D., D.E.S.M., M.R.C.V.S. Equine Reproductive Services, Messenger Farm, Ryton, Yorkshire Breeding OR inseminating a mare induces an immediate inflammatory response in the uterus. This is a… Read More »

Identifying, Treating and Breeding the “Dirty” Mare

Posted: | November 13, 2020

The Dirty Mare – Noted reproductive veterinarian Dr. Jon Pycock discusses techniques and methods related to successfully managing and breeding the dirty mare. By Dr. Jonathan F Pycock, B.Vet.Med., Ph.D., D.E.S.M., M.R.C.V.S. Equine Reproductive Services, Messenger Farm, Ryton, Yorkshire Introduction One of your main objectives whether owning or working with brood mares should be to produce the maximum… Read More »

Mare Articles

Posted: | October 11, 2020

Mare Articles About Equine Reproduction – A selection of articles related to mare reproductive matters. Included are descriptors of evalutions, lab work, management and problems. Please Note: While we believe the information found on these pages to be accurate and up to date at the time of writing, it is provided here for informational purposes only, and is… Read More »