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Response of the 1-5 day-aged ovine corpus luteum to prostaglandin F2alpha.
The hypothesis that, in the ewe, prostaglandin (PG) F2alpha administration on day 3 after ovulation is followed by luteolysis and ovulation was tested using 24 animals. The ewes were treated with aExpand
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Effect of high progesterone levels during the growing phase of the dominant follicle of wave 1 in ultrasonically monitored ewes
The effect of high progesterone levels in the growth of the largest (dominant) follicle of Wave 1 was monitored by daily ultrasonography in Corriedale ewes. Progesterone treatment decreased theExpand
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Superovulatory response in anestrous ewes is affected by the presence of a large follicle.
Superovulatory response to conventional treatment with eCG (1200 IU) and progestagen sponges (MAP, n = 9; FGA, n = 9; or controls without sponge, n = 6) was studied in Corriedale anestrous ewes. TheExpand
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Medroxyprogesterone priming and response to the ram effect in Corriedale ewes during the nonbreeding season.
The "ram effect" (RE) is an inexpensive technique that allows farmers to obtain out-of-season lambs. Five hundred and ninety-six Corriedale ewes were used in three experiments to determine theExpand
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Endocrine and Ovarian Changes in Response to the Ram Effect in Medroxyprogesterone Acetate-primed Corriedale Ewes During the Breeding and Nonbreeding Season
AbstractTwo experiments were performed to determine the endocrine and ovarian changes in medroxyprogesterone acetate (MAP)-primed ewes after ram introduction. Experiment 1 was performed during theExpand
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Uterine involution time and ovarian activity in weaned and suckling ewes
Uterine involution time and ovarian activity were studied in autumn- and spring-lambing ewes. Macroscopic uterine involution was completed earlier in autumn-lambing ewes and this can be related withExpand
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Superovulatory response to FSH treatments after different progesterone primings in ewes
Abstract An experiment was conducted to compare the effect of superovulatory treatment initiated after 0, 4 or 10 days of progesterone priming, on ovarian response and embryo quality in ewes.Expand
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