Oestrogen Archives

Effect in ewes of oestrogen priming and GnRH on LH release and luteal function during early lactation in spring

1979
Issue: 3
Volume: 9

C.D. Hamilton, A.W. Lishman and P.A. Lamb Page: 197 - 203

2024-10-14
flickerleap

The effects of oestrogen priming and GnRH administration on the release of LH and on luteal function were investigated using 66 spring-lambing S.A. Mutton Merino ewes in early lactation. Seven randomly selected groups of ewes received either (i) 30 μg…

1978
Issue: 1
Volume: 8

W.A. Coetzer, C.H. van Niekerk and J.C. Morgenthal Page: 7 - 10

2024-10-14
flickerleap

Progesterone and total unconjugated oestrogen concentrations in the peripheral blood of 4 Afrikaner cows during late gestation and parturition were determined by RIA. From l2-18 days prepartum, progerone levels ranged .from 8.4 to 13,0 ng/ml and subsequently declined to 3,7-8,2…