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li fu he san yuan za jiao du niu sheng chang fa yu guan cha chu tan
Author(s): 
Pages: 16-17
Year: Issue:  11
Journal: Liaoning Journal of Animal Husbandry and Veterinar

Abstract: <正>大连市的黄牛改良工作起源于20世纪70年代,主要采用利木赞、德国黄牛等国外肉牛及兼用品种对复州牛进行杂交改良,并取得显著成
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