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Topic:Uterine Health
Uterine health in horses pertains to the condition and functionality of the uterus, an essential component of the mare's reproductive system. The uterus is responsible for supporting the development of the embryo and fetus during gestation. Various factors, such as infections, inflammation, and anatomical abnormalities, can impact uterine health, potentially affecting fertility and reproductive performance. Common conditions affecting the equine uterus include endometritis, pyometra, and uterine cysts. Assessment of uterine health often involves diagnostic tools like ultrasonography, endometrial biopsies, and cytological evaluations. This page compiles peer-reviewed research studies and scholarly articles that explore the anatomy, pathology, diagnostic techniques, and treatment options related to uterine health in horses.
Selected pathological changes of the mare uterus and ovary. Focal enlargements of the uterus are palpable through the rectal wall and have various aetiology. Aspects of their diagnosis, possible pathogenesis, significance and treatment are presented. Lymphatic lacunae appear to be quite common in older mares and may occasionally give rise to large endometrial cyst, but more frequently cause widespread change throughout the uterine horns. Three unusual ovarian abnormalities are presented, a large, oestrogen-producing granulosa cell tumour, an oestrogen-producing large follicle in a 4-month-old filly, and an ectopic progesterone-producing adrenal structu...
Influence of mare uterine tubal fluids on the metabolism of stallion sperm. Three experiments were conducted on the metabolism of stallion sperm. In experiment 1, whole and washed sperm were incubated under aerobic and anaerobic enviroments and analyzed before and after controlled incubation for motility, pH, lactic acid, glucose, fructose, and O2 comsumption. In experiment 2, whole and washed sperm were incubated aerobically and anaerobically with and without uterine tubal fluids. Experiment 3 was the same as experiment 2, except added substrates of glucose and lactic acid were studied. The same examinations were made in experiments 2 and 3 as for experiment 1. Motil...
Scanning electron microscopy of the bovine, equine, porcine, and caprine uterine tube (oviduct). The luminal surface topography of bovine, equine, porcine, and caprine uterine tubes was studied by scanning electron microscopy. The main types of epithelial cells were secretory and ciliated. Both types were more active during estrus. Cilia were observed in both the infundibular and the ampular parts of the uterine tube, but ciliated cells were more numerous than secretory cells on the surface of the fimbriae. Sperm were observed in the ampulla of the uterine tube of the cow 2 hours after artificial insemination.
The role of the uterus in ovarian control in the mare. The effect of hysterectomy on ovarian activity was studied
in four mares. The cyclic secretion pattern of plasma progestins normally
observed in the intact mare was interrupted by hysterectomy. Follicular
activity was observed in all four hysterectomized mares, in spite of pro-
longed luteal activity, with a large number of follicles attaining ovulatory
size without the occurrence of ovulation. Some ovulations were observed
at irregular intervals in two out of four hysterectomized mares in spite
of plasma progestin levels which ranged from 2 to 6 ng/ml. While all
ovulations which occur...
