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Equine chorionic gonadotropin (acronym given as eCG but not to be confused with ECG) is a gonadotropic hormone produced in the chorion of pregnant mares. Previously referred to as pregnant mare's serum gonadotropin ( PMSG ), the hormone is commonly used in concert with progestogen to induce ovulation in livestock prior to artificial insemination .
The application of utilizing eFSH to increase the efficiency of equine embryo transfer was tested at the University of Saskatchewan.Embryos from 12 donor mares at 8 days of ovulation were recovered, scored, then transferred to 37 recipients mares who were tested for pregnancy after 7-10 days. 5 pregnancies resulted from the 15 embryos were recovered from the eFSA treatment group and 4 ...
Endometrial cups are unique to animals in the horse family, and so named because of their concave shape. [1] They are a placenta-associated structure, [2] found in the uterine wall of a mare from about 38 to 150 days into a pregnancy. After about 70 days, they begin to regress, [3] and are eventually destroyed by the immune system. [2]
[1] [2] Advancements in medical technology have enabled women to accurately check their pregnancy status by using 'pee-on-a-stick' pregnancy test kits at home. Before these accessible and convenient test kits were invented, scientists strived to discover a way in spotting pregnancy-related hormones by a natural, simple test, where animals were ...
Gonadotropins are glycoprotein hormones secreted by gonadotropic cells of the anterior pituitary of vertebrates. [1] [2] [3] This family includes the mammalian hormones follicle-stimulating hormone (FSH) and luteinizing hormone (LH), the placental/chorionic gonadotropins, human chorionic gonadotropin (hCG) and equine chorionic gonadotropin (eCG), [3] as well as at least two forms of fish ...
0.5 mg 1x/week: 1 mg 1x/week: 1.5 mg 1x/week SC implant: Estradiol: 25 mg 1x/6 months: 50 mg 1x/6 months: 100 mg 1x/6 months Footnotes: a = No longer used or recommended, due to health concerns. b = As a single patch applied once or twice per week (worn for 3–4 days or 7 days), depending on the formulation. Note: Dosages are not necessarily ...
Estrogen, progesterone, and human chorionic gonadotropin (hCG) levels throughout pregnancy. Estrogen, progesterone, and 17α-hydroxyprogesterone (17α-OHP) levels during pregnancy in women. [ 1 ] The dashed vertical lines separate the trimesters .
(2) Binding affinities were determined via displacement studies in a variety of in-vitro systems with labeled estradiol and human ERα and ERβ proteins (except the ERβ values from Kuiper et al. (1997), which are rat ERβ).