PDF(558 KB)
陕西省奶牛遗传改良的现状、问题及发展对策
马国际,贾永宏,李 敏,张 岩,王鹏飞
PDF(558 KB)
PDF(558 KB)
陕西省奶牛遗传改良的现状、问题及发展对策
Current Situation, Problem and Developmental Countermeasures of Dairy Cattle Genetic Improvement in Shaanxi Province
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