【摘要】 本试验利用多种方案对 90只哺乳母羊采用羔羊提前断奶、公羊性刺激并结合激素处理诱发发情 ,以达到缩短产羔间隔 ,提高繁殖率的目的 ,经试验测定 ,母羊发情率平均为 32 .2 2 % ,情期受胎率平均为31.0 3% ,效果不理想 ,需进一步对此进行研究。更多还原

【Abstract】 The experiment adopt some ways that include lamb’s ahead of ablactation ?ram sexual-stimulate and injection of hormone to urge 90 ewes of lactation to estrus for improving reproduce ratio . Estrus ratio of ewe is 32.22% and insemnation ratio of estrusation is 31.03% through testing . The result of experiment doesn’t attain expectation , so further research is necessary .更多还原