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Showing 1 to 4 of 4 for “"Multiparous Ewes"”.
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An investigation into hormonal regulation of ovine mammary gland growth during pregnancy
Prepartum, multiparous ewes were randomly assigned to experimental groups and sacrificed at 50(n=5), SO(n=4),115(n=5), and 140(n=4) days of gestation. Serum harvested the week prior to slaughter was assayed for progesterone (PG), prolactin (PRL) and growth hormone (GH) concentrations. Mammary …
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Induced Cervical Dilation in Sheep: Evaluation of the Effects on Fertilization Rates and Embryonic Development
… (E2) and oxytocin (OT). On d 6 of pregnancy, ewes received (i.v.) 100 μg of estradiol-17β, or saline; 10 h later, ewes received (i.v.) 400 USP units (20 mL) or saline. Blood samples were collected for progesterone analysis. Transrectal ultrasonography was used to determine pregnancy on d 25. …
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The effect of application of the FAMACHA© system on selected production parameters in sheep
… system was in use. Seventy five maiden and multiparous ewes were blocked by class before being ranked by weight and then randomly allocated using block randomization, with due regard to approximately equal apportioning of the two classes of ewes, to the following three trial groups: (i) …