The oestrous cycle of the ewe after active immunization against prostaglandin F-2
نویسندگان
چکیده
منابع مشابه
The secretion of prostaglandin F from the autotransplanted uterus of the ewe.
Prostaglandin (PG) F-2\g=a\is involved in a number of reproductive functions, including luteolysis (Goding, 1974) and menstruation (Pickles, Hall, Best & Smith, 1965). Luteolysis in sheep is controlled by a local feedback loop operating between the uterus and the corpus luteum, and menstruation in primates is also directly controlled by the ovarian steroid hormones. A fuller knowledge of how th...
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The Influence of Active Immunization Against Adrenocorticotropin Hormone on Galactopoiesis in Merino Ewes
Background:Chronic active adrenocorticotropin hormone (ACTH) immunization of ewes (with a previous history of immunization) resulted in elevated titres of antibody against ACTH, which induced a reduction in circulating levels of cortisol. Objectives:<span style="color: win...
متن کاملThe effect of prostaglandin F2 alpha during various stages of the oestrous cycle of beef heifers.
The effects of prostaglandin F2\g=a\on peripheral plasma progesterone and oestrogen levels, incidence of oestrous cycle alteration, and fertility were examined in thirty beef heifers. The PGF2\g=a\was administered by insertion of an insemination pipette into the lumen of the uterus during three periods of the oestrous cycle: Days 3 to 5, Days 9 and 10, and Days 16 and 17. Oestrus occurred withi...
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ژورنال
عنوان ژورنال: Reproduction
سال: 1976
ISSN: 1470-1626,1741-7899
DOI: 10.1530/jrf.0.0460039