1. Hormonal levels of estradiol, testosterone, and progesterone at entry into lay of year 1980 vs. 2000 broiler breeder females under fast and slow release from feed restriction. (1st June 2018) Authors: Heifetz, Eliyahu M; Rozenboim, Israel; Soller, Morris; Eitan, Yoav Journal: Poultry science Issue: Volume 97:Number 10(2018:Oct.) Page Start: 3728 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗