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首页> 外文期刊>Livestock research for rural development >The effect of diet and feeding system on the on-farm performance of local chickens during the early growth phase
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The effect of diet and feeding system on the on-farm performance of local chickens during the early growth phase

机译:日粮和饲喂系统对生长初期鸡的农场生产性能的影响

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Thisstudyevaluatedtheperformanceoflocalchickensonthreedietsandtwofeedingsystemsunderon-farmconditions.Thedietsusedwereformulatedfromlocalfeedstuffsthathadbeenidentifiedinabaselinesurveyandanalyzedforchemicalcompositioninthelaboratory.Basedonthelaboratoryresults,twodietswereformulatedcontaining20%CPand2900KcalME/kg(D20)and23%CP;3200KcalME/kg(D23).Acommercialdiet(D18)containing18%CP;2800KcalME/kgwasobtainedfromalocalfeedsuppliertobeusedasacontrol.Thethreedietswerethenusedinconductinggrowthtrialswithchicksundertwodifferentsystemsoffeeding.Thefirstsysteminvolvedfeedingthebirdsintensively.Thethreedietswerefeedseparatelytofourreplicategroupsoftenchickseach.Thissystemused120un-sexeddayoldlocalchicksthatwereobtainedfromalocalhatcheryandbroodedartificially.Thesecondsysteminvolvedfeedingtheexperimentaldietstosemi-scavengingchicksbroodedbytheirmotherhensinconfinementcagesfrom6.00amto12.00noon,afterwhichtheywereletouttoscavenge.Aweighedamountoffeedwasgiventoeachbatchandleftoverfeedwasweighedandrecordedeachweektocomputefeedconsumption.Inbothexperimentsbirdswereweighedinbatchesondayoneandthereafterweeklyforsixweeks.Thedatarevealednodifferenceinthegrowthrateandfinallivebodyweightofchicksunderthethreedietarytreatments.Chickensthatwerefedintensivelyexhibitedbettergrowthandsurvivalratesthanthosethatwerefedfrom6.00amto12.00noonthenletouttoscavenge.Henceitwasconcludedthatthatadietcontaining18%CPand2800KcalME/kgissufficientforrearinglocalchickensduringtheearlygrowthphase(0-6weeks)on-farm.Alsointensivefeedingoflocalchickensresultsintobettergrowthandsurvivalthanthesemi-scavengingsystem.
机译:Thisstudyevaluatedtheperformanceoflocalchickensonthreedietsandtwofeedingsystemsunderon-farmconditions.Thedietsusedwereformulatedfromlocalfeedstuffsthathadbeenidentifiedinabaselinesurveyandanalyzedforchemicalcompositioninthelaboratory.Basedonthelaboratoryresults,twodietswereformulatedcontaining20%CPand2900KcalME / kg的(D20)and23%CP; 3200KcalME /公斤(D23).Acommercialdiet(D18)containing18%CP; 2800KcalME / kgwasobtainedfromalocalfeedsuppliertobeusedasacontrol.Thethreedietswerethenusedinconductinggrowthtrialswithchicksundertwodifferentsystemsoffeeding.Thefirstsysteminvolvedfeedingthebirdsintensively.Thethreedietswerefeedseparatelytofourreplicategroupsoftenchickseach.Thissystemused120un-sexeddayoldlocalchicksthatwereobtainedfromalocalhatcheryandbroodedartificially.Thesecondsysteminvolvedfeedingtheexperimentaldietstosemi从母鼠笼中孵化的小鸡从凌晨6.00点到中午12.00点,之后被清除掉。称重的饲料量为每批,剩余的饲料称重, ordedeachweektocomputefeedconsumption.Inbothexperimentsbirdswereweighedinbatchesondayoneandthereafterweeklyforsixweeks.Thedatarevealednodifferenceinthegrowthrateandfinallivebodyweightofchicksunderthethreedietarytreatments.Chickensthatwerefedintensivelyexhibitedbettergrowthandsurvivalratesthanthosethatwerefedfrom6.00amto12.00noonthenletouttoscavenge.Henceitwasconcludedthatthatadietcontaining18%CPand2800KcalME / kgissufficientforrearinglocalchickensduringtheearlygrowthphase(0-6weeks)上farm.Alsointensivefeedingoflocalchickensresultsintobettergrowthandsurvivalthanthesemi-scavengingsystem。

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