this suggests that the failure of the oestrogen-positive feedback effect on lh release in post-partum ewes is not due to a failure of oestradiol action on the pituitary increasing pituitary responsiveness to lh-rh and lh-rh priming effect , but could be due to inadequate release of lh-rh from the hypothalamus .
C0023610
lh-rh
C0020663
hypothalamus