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liang zhong jin nan niu de ke xue fan yu
Author(s): LEI Shuiyun, JIN Xiaocheng
Pages: 15
Year: 1990
Issue:
6
Journal: Applied Engineering Technology in Rural Areas
Keyword: 晋南牛; 运城地区; 科学繁育; 冷冻精液; 人工配种; 具体做法; 种公牛; 优良种源; 选育方向; 山西省;
Abstract: <正> 晋南牛,又名万荣大黄牛,是全国五大地方良种牛之一,国际上列为役肉兼用良种牛。原产山西运城地区万荣、临猗两县,在山西省内及陕、甘、豫、鲁、苏、皖等省均有分布,并已远销日本。近年来,运城地区广大畜牧科技人员,采取提纯保种、选育、冷冻精液人工配种、建立核心母牛群等项技术,科学繁育晋南牛,社会、经济效益显著。至1989年底,全地区采用晋南牛优良种公牛冷冻精液人工配种,共怀胎48万多头,占全区黄牛存栏总数的86.4%,每头牛以售价500元计,创产值两亿多元。其具体做法是:一、提纯保种选育为防止晋南牛优良种性退化变劣,运城地区制定了“晋南牛选育方向标准”。每
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