Heat production of dairy cows in dependence on milk yield - a study

被引：6
|
作者：
Jentsch, W [1 ]
Derno, M [1 ]
Weiher, O [1 ]
机构：
[1] Forschungsbereich Ernahrungsphysiol Oskar Kellner, Forschungsinst Biol Landwirtschaftlicher Nutztier, D-18196 Dummerstorf, Germany
来源：
ARCHIV FUR TIERZUCHT-ARCHIVES OF ANIMAL BREEDING | 2001年 / 44卷 / 06期
关键词：
cow; milk yield; heat production; animal keeping;
D O I：
10.5194/aab-44-599-2001
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
On base of the recommendations of energy requirement of cows the heat production was calculated of cows with 4000-12000 kg EKM (energy corrected milk = 4% milk fat) annual milk yield. Under the conditions of energy requirement related feed energy supply and thermoneutrality the heat production increased by 40% within the mentioned range of milk yield. The results are a theoretical basis for measures in keeping animals and the construction of stables.
引用
收藏
页码：599 / 610
页数：12
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