crossbreeding

[ crossbreed ]的现在分词
杂交育种

同：	[n.] cross, crossing, interbreeding, miscegenation

"As the growing use of cheaper vegetable oils decreased the importance of lard as a source of fat, meatpackers sought hogs yielding more lean meat and less fat, and Breeders Began crossbreeding programs to obtain lean meat and vigorous animals."
随着人们越来越普遍使用较便宜的植物油,猪油作为脂肪的一种来源的重要性就降低了。肉品加工业者寻求有更多瘦肉而较少脂肪的肉类,养猪人开始利用杂交培育出瘦肉型、强壮的动物。收藏
To improve the quality of(livestock)by crossbreeding with purebred stock.
改良品种与纯种家畜杂交来改良(家畜)品质收藏
A domestic animal produced by crossbreeding one of purebred stock with one of ordinary stock.
改良品种一种家畜，由一个纯种家畜和一个普通家畜杂交得到收藏

(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
[同] cross, crossbreeding, crossing, hybridisation, hybridization, hybridizing, interbreeding
reproduction by parents of different races (especially by white and non-white persons)
[同] crossbreeding, interbreeding, miscegenation

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