Category Archives: breeding problems

Double Trouble – The Twin Dilemma

Posted: | February 3, 2021

Managing Twinning in the Mare – While most equine pregnancies are simple, twinning when it happens is an issue. Here we discuss managing twinning in the mare. By Jos Mottershead and Kathy St. Martin You’ve read all the articles at Equine-Reproduction.com, your mare was in heat, you jumped through all the various hoops you needed to in order… Read More »

The Oxytocin Protocol!

Posted: | February 1, 2021

Oxytocin use in the mare during breeding – Delayed Uterine Clearance and Breeding-Induced Endometritis problems can be helped by Oxytocin use when breeding a mare! By Jos Mottershead Oxytocin acts on smooth muscle in the body, causing it to contract. One such area of tissue, which is of tremendous importance relative to breeding, is the mare’s uterus and… Read More »

Abortion in the Mare – Some Pointers

Posted: | February 1, 2021

Late Term and Habitual Abortion in the Mare – Pregnancy loss in the mare is a constant source of concern among breeders. Here some common causes are discussed. By Jos Mottershead Late term and habitual abortion in the mare is a constant source of concern among breeders. It may be as a result of identifiable repetitious causes, or… Read More »

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 »