Ferguson, Mary.2015-12-312015-12-311985http://hdl.handle.net/2097/27438Call number: LD2668 .T4 1985 F47Heifers--Fertility.Gonadotropin--Physiological effect.Estrus.Heifers--Breeding.Effect of GnRH, breeding weight, frame, condition and age on pregnancy rates in estrus synchronized beef heifersTextMasters theses