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Effects of dietary protein level and a duckweed supplement on the growth rate of local breed chicks

机译:日粮蛋白质水平和浮萍补充剂对当地种鸡生长速度的影响

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Fromatotalof402localbreedchicks(TauVang)at1dayofage,360nbsp;wereallocatedinacompletelyrandomizeddesignto6treatments,with3levelsofcrudeprotein(%inDM):18(CP18),20(CP20)and22(CP22),withorwithoutfreshduckweed(DW)(Lemnaminor)adlibitum.TotaldailydrymatterintakeswereslightlyhigherontheCP20andCP22diets(12.0gand11.7g,respectively)comparedwiththeCP18diet(11.1g)andwhenDWwassupplied(13.2gcomparedto11.5g),butbetweentreatmentdifferenceswerenotsignificant.CPfromduckweeddecreasedwithincreasinglevelsofproteininthedietsandsupplied14.2,12.0and10.3%ofthetotalCPintakeintheCP18,CP20andCP22dietarytreatments,respectively.ChicksfedDWhadsomewhathigherweightgains(8.3g/day)comparedwithchicksfedthedietswithoutDW(7.8g/day)buttherewerenodifferencesbetweendietswithdifferentCPlevels.WingandtailfeathersappearedfirstinchicksontheCP20andCP22dietsandtendedtodevelopmorerapidlyonthedietswithduckweed.
机译:从总共402只本地繁殖小鸡(TauVang)的第1天开始,共360nbsp;我们将其完全随机化设计为6种处理方法,其中3种粗蛋白(%inDM):18(CP18),20(CP20)和22(CP22),不带任何新鲜鸭绒草(DW)的CP(每1个)和2个(刚吃完的小甜菜(DW)含2个小甜菜,每1个小甜菜(2个),每1个幼虫的总热量为2.0(1)。 11.1克)andwhenDWwassupplied(13.2gcomparedto11.5g),butbetweentreatmentdifferenceswerenotsignificant.CPfromduckweeddecreasedwithincreasinglevelsofproteininthedietsandsupplied14.2,12.0and10.3%ofthetotalCPintakeintheCP18,CP20andCP22dietarytreatments buttherewerenodifferencesbetweendietswithdifferentCPlevels.WingandtailfeathersappearedfirstinchicksontheCP20andCP22dietsandtendedtodevelopmorerapidlyonthedietswithduckweed,respectively.ChicksfedDWhadsomewhathigherweightgains(8.3克/天)comparedwithchicksfedthedietswithoutDW(7.8克/天)。

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