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he nan xian xu zhong gai liang de xian zhuang ji wen ti
Pages: 42
Year: Issue:  14
Journal: Veterinary Orientation

Keyword:  河南县畜种改良现状问题;
Abstract: 本文分析河南县畜种改良现状,探讨畜种改良中存在的问题,从建立健全州、县、乡、三级良种繁育网络着手,提出逐步实现由单纯强调数量向数量、质量、效益并举的方向发展,建立培育、选育、扩繁、推广、利用和科学实用相配套的畜种良种繁育体系等应对措施.
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