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 »
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 »
Equine Pregnancy Terminology – Conceptus? Embryo? Fetus? Abortion? Stillbirth? Premature? So many terms – a little light offered here in so much confusion! By Dr. Neil Williams, Livestock Disease Diagnostic Center, University of Kentucky, Lexington, Kentucky. There are different terms to describe the developing foal in utero. Furthermore, certain terms are used to describe the foal when it… Read More »
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 »
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 »
Embryology – Different Stages of the Early Equine Pregnancy – Equine embryology – early pregnancy images. A pictorial showing embryonic developmental images through to the fetal stage of 50 days. All day numbers given here are the number of days post-ovulation on the conceiving cycle. The 32 to 64 cell stage of a developing embryo is the morula.… Read More »
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 »
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 »
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 »
Equine Ultrasound Pregnancy Images – Serial ultrasound images of early pregnancy in the mare. Discussion of variations and differences between stages seen in the images. All of the mare ultrasound pregnancy images and videos below were produced using a Universal S8 Color Doppler Ultrasound from Universal Imaging, Bedford Hills, NY. Click on all images to see an enlargement For… Read More »
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