SR BK C, R Webb - Journal of Reproduction and Fertility …, 1995 - researchgate.net
The development of antral follicles in sheep and cattle is dependent on FSH, but large antral follicles can shift their gonadotrophic dependence from FSH to LH. The mechanisms that …
The Fourth Edition of Knobil & Neill continues to serve as a reference aid for research, to provide the historical context to current research, and most importantly as an aid for …
Z Xu, H Allen Garverick, GW Smith… - Biology of …, 1995 - academic.oup.com
The objective of the present study was to characterize expression of mRNAs encoding FSH and LH receptors during follicular development and at different stages of the first follicular …
Changes in growth, concentrations of steroids in follicular fluid, and numbers of gonadotropin receptors in follicles 6 mm or more in diameter were examined 12, 24, 36, 48 …
A Gonzalez-Bulnes, A Menchaca… - Reproduction …, 2020 - CSIRO Publishing
Management of the ovine oestrous cycle is mainly based on the use of exogenous hormones to mimic or enhance (progesterone and its analogues) or manipulate …
SE Echternkamp, LJ Spicer, KE Gregory… - Biology of …, 1990 - academic.oup.com
Recent studies have implicated insulin-like growth factor I (IGF-I) as an intraovarian regulator of follicular growth and differentiation. Therefore, we investigated the possibility …
ACO Evans, JE Fortune - Endocrinology, 1997 - academic.oup.com
Mechanisms that allow selection of a dominant ovarian follicle from a cohort of growing follicles are unknown. Large healthy, estrogen-active follicles contain more LH receptors …
In sheep and cattle, recruitment (ie entrance in the acutely gonadotrophin dependent stage), selection (ie adjustment of the number of recruited follicles to the number of ovulations) …
LJ Spicer, SE Echternkamp - journal of Animal Science, 1986 - academic.oup.com
Studies in cattle assessing changes in number and size of antral follicles, concentrations of estradiol, androgens and progesterone in serum and follicular fluid, and numbers of …