A new method for recording mastication during eating and ruminating in sheep

被引：12
|
作者：
Norgaard, P
Hilden, K
机构：
[1] Royal Vet & Agr Univ, Dept Anim & Vet Basic Sci, DK-1870 Frederiksberg, Denmark
[2] Royal Vet & Agr Univ, Dept Nat Sci, DK-1870 Frederiksberg, Denmark
来源：
JOURNAL OF ANIMAL AND FEED SCIENCES | 2004年 / 13卷
关键词：
chewing logger; jaw movement oscillations; rate of jaw movements;
D O I：
10.22358/jafs/73769/2004
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
A new method for recording jaw movements (JM) oscillations (JMO) in sheep is described. The principle used to record JMO is the changing position of the magnetic field from a magnet relative to a small Hall sensor, when both were positioned in a soft tube surrounding the mouth. The signal was sampled at 20 Hz by a logger hanged in a wheel joint allowing the sheep to move around freely in a small pen. The individual JM were identified and clustered into cycles. Recorded JMO, JM and cycles are presented from an ewe eating and ruminating grass silage.
引用
收藏
页码：171 / 174
页数：4
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