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PERIPHERAL PLASMA PROGESTERONE AND OESTRADIOL-17β LEVELS BEFORE AND AFTER PUBERTY IN GILTS

Summary.: A double isotope derivative assay and a simple competitive protein-binding assay were used to measure peripheral plasma progesterone levels during the pig oestrous cycle. In view of the similarity between the results, the more convenient protein-binding method was employed to determine progesterone levels during prepuberty, the oestrous cycle, early and late pregnancy, parturition and lactation. Peripheral plasma oestradiol-17β levels were measured during the oestrous cycle, early pregnancy and around the time of parturition.

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				J.L. Vallet and R.K. Christenson Effect of Progesterone, Mifepristone, and Estrogen Treatment During Early Pregnancy on Conceptus Development and Uterine Capacity in Swine Biol Reprod, January 1, 2004; 70(1): 92 - 98. [Abstract] [Full Text] [PDF]