摘要
根据体重将商品猪从出生到出栏分为1~10kg、10~20kg、20~50kg、50~100kg四个阶段,参照中国GB8471—87和美国NRC(1988)饲养标准,分别设计了YD—551、YD—552、YD—553、YD—554全价饲料配方并进行饲养试验,获得了有价值的结果。
Theexperimentalcommoditypigsweredividedintofourstagesaccordingtoweight:110kg1020kg2050kgand50100kg.ReferingtoraisingcriterionofChineseGB847187andAmericanNRC(1988),WedesignrespectivelyYD551YD-552YD-553andYD-554fourwholevaluefeedprescriptionsandgoonraisingtest.IntheYD-551testedgroup(110kg,120pigs),averagedailygainis225.2417.28g,feedefficiencyis1.460.07,diarrhoearateis7.50%,mortalityrateis0.83%;inthecontrolgroup,averagedailygainis178.5733.10g,feedefficiencyis1.810.20,diarrhoearateis56.67%,mortalityrateis6.67%.IntheYD-552testedgroup(1020kg,80pigs),averagedailygain453.8124.50g,feedefficiencyis2.070.10,diarrhoearateis5.00%,mortalityrateiszero;inthecontrolgroup,averagedailygainis307.6211.29g,feedefficiencyis2.290.13,diarrhoearateis45.00%,mortalityrateis5.00%.IntheYD-553testedgroup(2050kg;40pigs),averagedailygainis720.7119.42g,feedefficiencyis2.590.09.Inthecontrolgroup,averagedailygainis490.4830.03g,feedefficiencyis3.710.13.IntheYD-554testedgroup(50100kg,20pigs),averagedailygainis911.9617.12g,feedefficienc
出处
《动物科学与动物医学》
1999年第3期21-23,共3页
Animal Science & Veterinary Medicine
基金
江苏省农业资源开发资助
关键词
商品猪
日粮
四阶段饲养
猪
配方设计
commoditypig
wholevaluefeed
raisingtest
feedefficiencyyis3.590.17,inthecontrolgroup,averagedailygainis691.6122.48g,feedefficiencyis4.560.23.