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Relative Analysis on Action of Lactating Holsteins and Its Productivity
Author(s): 
Pages: 36-39
Year: Issue:  1
Journal: CHINA DAIRY CATTLE

Keyword:  荷斯坦泌乳牛行为观察相关分析;
Abstract: 本文在对荷斯坦泌乳牛一般行为观察的基础上,对其与泌乳性能的相关性进行了深入的分析,旨在为改善集约化养牛饲养管理技术,提高生产水平和科学养牛提供参考依据.结果表明,荷斯坦泌乳牛305天泌乳量与其日反刍时间、昼反刍时间、卧地反刍时间、晚饲反刍来临时间、反刍咀嚼速度、每食团咀嚼次数、反刍周期间隔时间、日粗饲料采食时间、日采食粗饲料次数、日饮水时间、日饮水次数、日排粪次数、排尿时间呈不同程度的正相关.
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