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 »
Placentitis in the Mare – Diagnosis, Treatment and Outcome – A review of placentitis in the mare including current diagnostics and treatments. A case review is also presented. By Jos Mottershead & Kathy St. Martin Your mare is at approximately 250 days of pregnancy and one morning you notice significant mammary development. Upon closer inspection you find that… Read More »
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