Seasonal absence of accessory ovulations in pregnant mares: What is the need for eCG? – Secondary ovulations or luteal developments support early pregnancy – but what if there is a seasonal absence of accessory ovulations? By John R Newcombe, Equine Fertility Clinic, Warren House Farm, UK Introduction Years before the use of diagnostic ultrasound, WE Allen noticed that secondary… Read More: Seasonal absence of accessory ovulations »
Evidence that embryo migration (translocation) is not always if ever, necessary for the successful signalling or reception of the Maternal Recognition of Pregnancy (MRP) in the mare – Long thought to be connected, embryo migration and maternal recognition may not be so closely related after all. By Professor John Newcombe, BVetMed, MRCVS A Case Study By tracking the… Read More: Embryo Migration and Maternal Recognition »
Late Term Pregnancy Problems in the Mare – Ventral Rupture in the Mare – A late-term mare presents with ventral oedema and obvious discomfort. What is the diagnosis and treatment? By Jonathan F Pycock, BVetMed, PhD, DESM, MRCVS, RCVS Specialist in Equine Reproduction First Published in UK VET 8;3, April 2003 The 19-year-old multiparous pregnant Percheron mare illustrated… Read More: Ventral Rupture in the Pregnant Mare »
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: Double Trouble – The Twin Dilemma »
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: Abortion in the Mare – Some Pointers »
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: Chromosome Translocation »
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: Individual Tuition »
Does My Mare Need RegumateTM? – A perennial question for some is “Does My Mare Need Regumate?” Here we discuss some possible instances of need as well as the overuse of the drug By Jos Mottershead The Simple Answer: Does My Mare Need Regumate? Well, the short answer is that if you don’t know, she probably doesn’t need… Read More: Does My Mare Need Regumate? »
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: Early Embryonic Death (EED) – what it is and why… »
Is my mare overdue? – A question frequently asked by concerned owners and discussed here with possible answers and statistics related to gestational durations. By Jos Mottershead Note: Please review the statistics at the foot of this page. If you have gestational duration information on your born-live colt or filly foal, please add it and assist us in… Read More: Is my mare Overdue? The Perennial Panic! »
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