【摘要】 通过多组合同期发情比较试验,进一步探讨控制家畜繁殖过程、提高家畜繁殖率的有效途径,重点研究三合激素诱导母畜同期发情的效果和规律性。更多还原

【Abstract】 By test of synchroniztion of oestrus in many groups, to make further research on procedures of controling reproduction and method of increasing production rate. The emphasis of this test was to reshearch result and regulirity of synchronization of oestrus induced by tri-steroni compositae.更多还原