A NOTE ON THE ESTIMATION OF THE BODY-FAT, PROTEIN AND ENERGY CONTENT OF LACTATING HOLSTEIN-FRIESIAN COWS BY MEASUREMENT OF CONDITION SCORE AND LIVE WEIGHT

被引：20
|
作者：
GIBB, MJ [1 ]
IVINGS, WE [1 ]
机构：
[1] AFRC,INST GRASSLAND & ENVIRONM RES,MAIDENHEAD SL6 5LR,ENGLAND
来源：
ANIMAL PRODUCTION | 1993年 / 56卷
关键词：
BODY COMPOSITION; CONDITION SCORE; DAIRY COWS; LIVE WEIGHT;
D O I：
10.1017/S0003356100021383
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
The relationships between body composition, live weight (LW) and subjective condition score (CS) were examined in an experiment in which 54, second to fourth parity, lactating autumn-calving Holstein-Friesian dairy cows were slaughtered at 0, 2, 5, 8, 11, 14, 19, 24 and 29 weeks post partum. Multiple regression analyses showed the weight of fat and the quantity of energy within the body were significantly correlated with both LW and CS. The weight of crude protein showed a linear correlation with LW. These results are discussed and compared with previously published investigations with non-lactating dairy cows.
引用
收藏
页码：281 / 283
页数：3
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