补饲营养调控剂对暖季放牧羔羊生长发育及相关激素的影响OA北大核心CSCDCSTPCD

[ Objective ] The purpose of this project was to study the effects of the suppiementary fodder on endocrine hormone change in the warm naturai grazing iambs. [ method ] From May to Sept. In 2010 in the summer Jiiande grassiand of Yumin County forty - five heaithy Bashenbai iambs were seiected. The sheep were divided into the controi group grazing the experimentai group I grazing pius 0. 2% suppiement nutrition reguiators and II grazing pius 0. 4% suppiement …查看全部>>