中国猪种在日本生长发育及杂交利用

Performance and Hybridization of Chinese Pig Breeds in Japan

中国猪种具有早熟，繁殖力强等遗传素质一直被国外同行所注目。日本为了充分摸清中国猪种遗传素＊质和利用其多仔遗传性状，在新泻县畜产试验场对梅＊山猪、东北民猪的适应性进行观察。并将其和长白、杜＊洛克杂交测定杂种生长发育速度和繁殖成绩，主要对＊乳头数、产仔数、成活率、日增重、饲料效率、胸腰椎数＊等方面进行研究。

Abstract The Chinese Meisan Pig and North-east Pig were introduced to Xinxie County Animal Research In- stitute in Japan for the studies on its adaptability and the performance of Chinese breeds X Landrace and Duroc breeds. Results showed that they adapted the conditions and achieved good performance.