RJ Scaramuzzi, BK Campbell… - Reproduction …, 2006 - rnd.edpsciences.org
This paper discusses the phenomenon of nutritional flushing in ewes whereby increased nutrition stimulates folliculogenesis and ovulation rate. In addition the paper reviews recent …
WR Butler - Livestock production science, 2003 - Elsevier
Increased capacity for milk production in dairy cows has been associated with a decline in fertility. Following parturition, nutritional requirements increase rapidly with milk production …
R Webb, PC Garnsworthy, JG Gong… - Journal of animal …, 2004 - academic.oup.com
Regulation of ovarian activity is an integrated process encompassing both extraovarian signals and intrafollicular factors. Initiation of primordial follicle growth and the early stages …
MC Lucy - Journal of Dairy Science, 2000 - Elsevier
Somatotropin (ST), insulin-like growth factor (IGF)-I, and IGF-II affect animal growth and lactation as well as animal reproduction. Understanding the effects of ST and the IGF on …
DG Armstrong, TG McEvoy, G Baxter… - Biology of …, 2001 - academic.oup.com
Heifers were assigned either low or high (HE) levels of energy intake and low or high concentrations of dietary crude protein. The effect of these diets on the plasma …
D Schams, B Berisha - Reproduction in domestic animals, 2004 - Wiley Online Library
Contents The corpus luteum (CL) is a transient reproductive gland that produces progesterone (P), required for the establishment and maintenance of pregnancy. Although …
Insulin-like growth factor-I (IGF-I) plays a pivotal role in cattle fertility, acting as a monitoring signal that allows reproductive events to occur when nutritional conditions for successful …
The relationships between insulin‐like growth factor‐I (IGF‐I) and the fertility and milk yield of Holstein‐Friesian dairy cows were investigated. The concentration of IGF‐I in blood was …
AM Mani, MA Fenwick, Z Cheng, MK Sharma… - …, 2010 - researchgate.net
IGF1, a potent stimulator of cellular proliferation, differentiation and development, regulates granulosa cell steroidogenesis and apoptosis during follicular development. Depending …