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提高母猪繁殖性能的三种主要技术途径 被引量:1

Techniques of Improving the Reproductive Performance of Brood Sow
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摘要 猪的大多数繁殖性状的遗传力很低 ,通过直接选择进展不大。对近年来对母猪繁殖性状杂交利用、直接选择排卵数和产仔数、通过胎盘效率提高产仔数、控制窝产仔数的主效基因的选择进行研究。从目前的研究结果看 ,基于胎盘效率的选择是提高猪的窝产仔数的有效方法之一 ;随着分子遗传学技术研究的进展 ,影响猪繁殖性状的主效基因或QTL的鉴别 ,使得MAS成为了可能。
出处 《黑龙江畜牧兽医》 CAS 北大核心 2004年第1期32-34,共3页 Heilongjiang Animal Science And veterinary Medicine
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