这表明，开放式群体选育能提高大约克夏猪的生产性能。
This indicates that the productive performance of Large-Yorkshire can be increased by opened herd breeding.
对香猪、上海白猪、大约克夏猪的垂体特异性转录因子(PIT - 1)基因进行了单核苷酸多态性(snp)分析。
The single nucleotide polymorphisms (SNP) of pituitary specific transcription factor 1 (PIT-1) gene was analyzed in Xiang pig, Shanghai White pig and Yorkshire pig.
测定金华猪，外来品种猪大约克夏、长白、杜洛克、汉普夏，以及金华猪与外来品种猪杂交所产的2 35 5头仔猪的生长性状。
The growth traits of 2 355 piglets. which were progeny derived from different breeds' hybridization such as Jinhua swine, Large Yorkshire, Duroc, Hampshire were recorded.
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