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产犊时间延长的奶牛会寻求更多的隔离。

Dairy cows with prolonged calving seek additional isolation.

作者信息

Rørvang M V, Herskin M S, Jensen M B

机构信息

Department of Animal Science, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark.

Department of Animal Science, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark.

出版信息

J Dairy Sci. 2017 Apr;100(4):2967-2975. doi: 10.3168/jds.2016-11989. Epub 2017 Feb 23.

Abstract

In modern calving facilities, dairy cows either calve in a group pen or are moved to a separate individual pen when calving is imminent. In practice, cows are often moved too close to calving, which poses a health risk to cow and calf. Thus, a need exists for new calving facility designs and management practices that better align with the motivations of the cow. This study examined dairy cow preferences for individual calving pens by offering 3 different levels of isolation (tall and narrow, low and wide, and tall and wide) by analyzing the association between precalving behavior, choice of degree of isolation, and the progress of calving. The hypotheses were that cows would prefer the highest level of isolation when giving birth, and that calving in a high level of isolation would be associated with less restlessness and a shorter calving duration. Contrary to these hypotheses, no specific preference between degrees of isolation or difference in calving behavior in the different calving pens was found. However, cows experiencing a longer calving duration chose to calve in the most secluded calving pen (tall and wide). These results cannot determine cause and effect, but may suggest that interactions between motivation for isolation seeking and calving behavior exist.

摘要

在现代产犊设施中,奶牛要么在群养栏中产犊,要么在即将产犊时被转移到单独的个体栏中。实际上,奶牛常常在离产犊太近的时候被转移,这对母牛和小牛的健康构成风险。因此,需要新的产犊设施设计和管理方法,使其更好地符合奶牛的行为动机。本研究通过提供3种不同程度的隔离方式(高而窄、低而宽、高而宽),分析产犊前行为、隔离程度选择与产犊进程之间的关联,研究了奶牛对个体产犊栏的偏好。研究假设为,奶牛在分娩时会偏好最高程度的隔离,并且在高度隔离的环境中产犊会减少躁动,缩短产犊持续时间。与这些假设相反,未发现不同隔离程度之间存在特定偏好,也未发现不同产犊栏中产犊行为存在差异。然而,产犊持续时间较长的奶牛选择在最隐蔽的产犊栏(高而宽)中产犊。这些结果无法确定因果关系,但可能表明寻求隔离的动机与产犊行为之间存在相互作用。

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