Garth猪场饲养规范

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Dry sow feeding regime

Section: Stockmanship Standards

Dry sow feeding regime

Always treat the thin sow as an emergency

Lean genotype sows need much more feed to get back into a normal weight.
One kg loss of body weight takes 4kg of feed to restore.
Once the consition score is back to 3 reduce feed.

Survival of Piglets
Birth Weight (kg) Survival to 21 Days %
0.7 <40
0.9 60
1.1 80
1.3 90+

Effect of Feeding in Pregnancy
Mean pregnancy intake (kg/day) 2.6 2.2 1.8
Mean lactation intake (kg/day) 4.7 5.2 6.1

Buy this book


摘自Garth猪场饲养规范*
由John Carr和Garth兽医咨询公司编写
如果您想购买这本书，请点这里。
*本书由 5M有限企业出版

2010年 9月 3日 星期五

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