荷斯坦奶牛休息时间的群体特征及影响因素分析
马龙刚, 安涛, 张海亮, 竹磊, 王磊, 宁景扬, 王炎, 郭刚, 黄锡霞, 王雅春
Analysis of Population Characteristics and Influencing Factors of Rest Time in Holstein Dairy Cows
MA Longgang, AN Tao, ZHANG Hailiang, ZHU Lei, WANG Lei, NING Jingyang, WANG Yan, GUO Gang, HUANG Xixia, WANG Yachun
中国畜牧兽医
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2021, (9): 3323
-3331
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DOI: 10.16431/j.cnki.1671-7236.2021.09.023
