Eating and rumination activity in 10 cows over 10 days

被引：12

作者：

Braun, U. ^{[1
]}

Zuercher, S. ^{[1
]}

Haessig, M. ^{[1
]}

机构：

[1] Univ Zurich, Dept Farm Anim, Vetsuisse Fac, CH-8057 Zurich, Switzerland

来源：

RESEARCH IN VETERINARY SCIENCE | 2015年 / 101卷

关键词：

Cattle; Eating; Rumination; Variation; Coefficient of variation; NOSEBAND PRESSURE SENSOR; DAIRY-COWS; CHEWING ACTIVITY; BEHAVIOR; LACTATION; CATTLE; SYSTEM; FIBER;

D O I：

10.1016/j.rvsc.2015.05.001

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Eating and rumination activities were evaluated in 10 Brown Swiss cows over 10 days, and the coefficients of variation (CV) were calculated for the investigated variables. A pressure sensor integrated into the noseband of a halter recorded jaw movements during chewing, which allowed the recording of eating and rumination times and the number of regurgitated boluses. The mean CVs ranged from 5.9 to 12.7% and were smaller for rumination (chewing cycles per bolus, 5.9%; daily number of cuds, 8.4%; rumination time, 9.1%) than for eating (eating time, 12.0%; chewing cycles related to eating, 12.7%). We concluded that of eating and rumination variables examined, the number of chewing cycles per regurgitated bolus is the most robust with little variation in individual cows. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：196 / 198

页数：3

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