温氏WS501猪配套系育种目标和方案

Breeding objectives and schemes of Wens WS501 swine synthetic line

摘要: 配套系育种的最大特点是选育各具特色的专门化品系，实现各专门化品系的最大、最快遗传进展；选择配合力最优的专门化品系进行多系杂交，生产经济效益最大化的杂交肉猪。为支撑养猪业的快速发展，温氏集团针对国内生猪市场需求，以产仔数高、生产效率高、上市体重大等为育种目标，开展五元杂交配套系选育。为做好新配套系选育工作，制订温氏WS501猪配套系育种目标和方案。

Abstract: One of the biggest characteristics of breeding synthetic line was developing distinctive specialized lines to obtain the maximum and the fastest genetic progress of these specialized lines, and another was selecting those optimal specialized lines with the best combining ability for multi-line hybrids to produce commercial pigs with the maximum economic benefit. In order to support the rapid development of pig industry, Wens Group began to develop a five-way synthetic line for the demand of domestic pig market with the breeding objectives of high litter size, high feed conversion ratio and large body weight for marketing. Breeding objectives and schemes of Wens WS501 swine synthetic line was formulated to promote the development of new five-line hybrid.