Sow body condition at weaning and reproduction performance in organic piglet production

被引：13
|
作者：
Kongsted, A. G. [1 ]
Hermansen, J. E. [1 ]
机构：
[1] Univ Aarhus, Fac Agr Sci, Dept Agroecol & Environm, DK-8830 Tjele, Denmark
来源：
ACTA AGRICULTURAE SCANDINAVICA SECTION A-ANIMAL SCIENCE | 2009年 / 59卷 / 02期
关键词：
Backfat; lactation length; litter size; NONLACTATING SOWS; OUTDOOR SOWS; MEAT QUALITY; LITTER SIZE; FEED-INTAKE; BEHAVIOR; PARITY; HERDS; INDICATORS; COMPONENTS;
D O I：
10.1080/09064700903071768
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 objective was to investigate the variation in backfat at weaning and its relations to reproduction results in organic sow herds in Denmark. The study included eight herds and 573 sows. The average backfat at weaning (mean = 13 mm; SD = 4.2 mm) ranging from 10.5 to 17.3 mm among herds shows that it is possible to avoid poor body condition at weaning even with a lactation length of seven weeks or more. No main effect of backfat at weaning on reproduction performance was found, but the probability of a successful reproduction after weaning tended to decrease with decreasing backfat for first parity sows, whereas the opposite was the case for multiparous sows.
引用
收藏
页码：93 / 103
页数：11
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