中国荷斯坦奶牛不同地区、泌乳天数及胎次的产奶量校正系数研究
徐伟, 董飞, 马志愤, 亓建刚, 常瑶, 陈少侃, 姜兴刚, 王雅春
Study on Milk Yield Adjustment Coefficients for Different Region, Days in Milk and Parity in Chinese Holstein Dairy Cows
XU Wei, DONG Fei, MA Zhifen, QI Jiangang, CHANG Yao, CHEN Shaokan, JIANG Xinggang, WANG Yachun
中国畜牧兽医
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2021, (12): 4554
-4566
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DOI: 10.16431/j.cnki.1671-7236.2021.12.024
