慢慢地英文
减少弱仔猪对农场生产力和动物群体影响的管理方法MANAGING LOW BIRTH WEIGHT PIGLETS TO REDUCE THEIR IMPACT ON FARM PRODUCTIVITY AND ANIMAL FLOW
John F. Patience, Ph.D. 爱荷华州立大学动物科学系猪营养部Applied Swine Nutrition Dept. of Animal Science Iowa State University
材料科学与工程专业英语中国猪营养国际论
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弱仔猪定义？What is a low birth weight piglet?•初生重低于800-1000g的仔猪lakers
祝博士教育加盟费>身边的科学知识Birth weight less than 800g to 1,000g
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什么原因导致初生重低？What caus low birth weight?
•窝仔数增加Incread litter size –每增加1头活仔猪其窝仔猪初生重降低35-45g Birth weight decreas by 35 to 45 grams for every 1 pig increa in number born alive •宫内发育迟缓Intra-uterine growth retardation
–子宫容量不足以完全支持所有的存活的胚胎Inadequate uterine
capacity to fully support all viable embryos •子宫内存在病原体Pathogen exposure in utero •母猪营养的影响非常小Sow nutrition is a very small factor •其它Others 中国猪营养国际论坛技术资
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低初生重vs大窝产仔数
Low birth weight versus large litter size
我们的爱结束了
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Iowa State University 大窝产仔数的仔猪初生重更低
Large litter size results in smaller weight at birth 0.00.2
0.4
uco0.6
0.8赫尔辛基大学
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1.41.6Birth 3 to 1011 to 1314 to 191
2.115.4a b b Kg 8.4a,b 不同字母代表差异显著(P<0.05)means without a common superscript differ (P<0.05)出生窝仔猪数
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