选择育肥和瘦肉型肉鸡在添加和不添加重分配剂的日粮上的能量交换情况。
Energy exchanges of broilers, selected for fatness and leanness, on diets with and without a repartitioning agent.
作者信息
Aijun Y, Farrell D J
机构信息
Department of Biochemistry, Microbiology and Nutrition, University of New England, Armidale, N.S.W., Australia.
出版信息
Br Poult Sci. 1991 May;32(2):337-42. doi: 10.1080/00071669108417358.
PMID:1678308
Abstract
- Two experiments were undertaken for 3 or 5 d in respiration chambers, on two experimental lines of broiler chickens (aged 25-38 d) selected for leanness and fatness. Diets were without or with 0.4 mg cimaterol per kg. 2. The lean line with sexes combined (experiment 1), or with females only, had a significantly greater heat production than the fat line. Net availability of metabolisable energy for gain (kg) was 0.54 for the lean birds and and 0.84 for the fat birds. 3. Cimaterol did not have an effect on any of the variables examined.
摘要
- 在呼吸室中对两条分别选出来的瘦肉型和脂肪型肉鸡实验品系（25 - 38日龄）进行了为期3天或5天的两项实验。日粮分别添加或不添加每千克0.4毫克的西马特罗。2. 综合性别（实验1）或仅针对雌性的瘦肉型品系，其产热量显著高于脂肪型品系。瘦肉型鸡每千克增重的代谢能净利用率为0.54，脂肪型鸡为0.84。3. 西马特罗对所检测的任何变量均无影响。
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