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Pregnant females produce litters that result in a higher number of stillborns, mummified fetuses, and abortions. Before breeding, ingesting mycotoxins mimics the action of estradiol-17β. Specifically, zearalenone binds to estrogenic receptors that would normally bind to estrogen, causing the female to exhibit constant estrus.
Mare reproductive loss syndrome (MRLS) is a syndrome consisting of equine abortions and three related nonreproductive syndromes which occur in horses of all breeds, sexes, and ages. MRLS was first observed in the U.S. state of Kentucky in a three-week period around May 5, 2001, when about 20–30% of Kentucky's pregnant mares suffered abortions ...
False pregnancy (or pseudocyesis, from the Greek pseudes "false" and kyesis "pregnancy") [1] is the appearance of clinical or subclinical signs and symptoms ...
They produce high concentrations of equine chorionic gonadotropin (eCG), also called pregnant mare's serum gonadotropin, in the bloodstream of pregnant mares. eCG is actually an equine luteinizing hormone. [2] Endometrial cups behave somewhat like cells from metastatic tumors, in that they leave the placenta and migrate into the uterus. Their ...
Most mares recover spontaneously, although many become carriers. Infected mares are usually infertile during the acute illness. However, the infertility only lasts a few weeks, after which pregnancy is possible. Stallions do not show signs of infection. The first indication of the carrier state is lack of pregnancy in the mares covered by the ...
A symptomatic mare can be identified by the mucus and pus being expelled from her vagina; CEM mares experience an inflamed endometrium causing low fertility and if pregnant a high probability for abortion in the first trimester. [8] Diagnosis, treatment and prevention of the disease are crucial to managing T. equigenitalis.
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A broodmare. Note slight distension of belly, indicating either early pregnancy or recent foaling. A mare is an adult female horse or other equine. [1] In most cases, a mare is a female horse over the age of three, and a filly is a female horse three and younger.