科寶肉雞飼養(yǎng)管理教學課件

FeedingTheCobbBroiler科寶肉雞飼養(yǎng)管理AndrewBourne–BroilerSpecialist(WorldTechnicalSupport)AndrewBourne-肉雞專家（世界技術(shù)支持）1FeedingTheCobbBroilerAndrewFeed&Management

飼料&飼養(yǎng)管理GenetictrendsWhattoexpectinthefuture?WhatRation?LEASTCOSTChickStartHowToMaximiseFeedIntakeA。育種趨勢未來可以期待什么？B。衡量的標準（量化標準是什么）？最低成本C。育雛如何攝入最多的飼料2Feed&Management

飼料&飼養(yǎng)管理GenGENETICTRENDS

育種趨勢3GENETICTRENDS

育種趨勢3AnnualImprovementRatesCobb500

科寶500每年的遺傳進展率Trait項目Improvement進展Weight體重50g（克）FeedConversion飼料轉(zhuǎn)化率-0.02EvisceratedYield酮體0.1%BreastMeat胸肉0.3%Eggs/HenHoused入舍母雞產(chǎn)蛋14AnnualImprovementRatesCobbSelectionPressureonBodyWt.體重方面的選種壓力5SelectionPressureonBodyWt.CobbMalePerformance

科寶公雞性能Trait項目19942003DIFFERENCE差異Wtat4242日齡體重2076g2848g770gWtat5656日齡體重3082g4064g982gDays-2kg2公斤需要的天數(shù)40.932.9<8daysDays-3kg3公斤需要的天數(shù)54.843.6<11.2days6CobbMalePerformance

科寶公雞性能TrAvian48/Cobb500

AVIAN48/科寶500GrandParent祖代Maleline公系Femaleline母系Line35xLine35Line58xLine12Line44Line12ParentStock父母代MaleParent父母代公雞FemaleParent父母代母雞Broiler肉雞7Avian48/Cobb500

AVIAN48/科HybridVigor–ImprovedLivabilityandFCR.LittledifferenceinBW&FCRcomparedtoCobb500Cobb500-Breastmuscleiswider.Avian48-Breastmusclelonger&narrowReducedBreastYieldBUTincreasedDrumStick≈SimilarWOGyield.高效性能-成活率和肉料比更好與科寶500相比，體重和肉料筆差異很小科寶500-胸肉更寬AVIAN48-胸肉更長更窄胸肉率減少，但腿肉更多≈出肉率相似CharacteristicsoftheAvian48VSCobb500

AVIAN48與科寶500特點對照8HybridVigor–ImprovedLivabiB.THELEASTCOSTWAY

OR

THECOBBWAY

最低成本的方式

或

科寶的方式9B.THELEASTCOSTWAY

OR

THECLowDensityNutrition低營養(yǎng)飼料

TheEconomics經(jīng)濟性

Theobviouswaytoincreaseprofitabilityisbyreducingthecostperkgofliveweightproduced.提高經(jīng)濟效益的最好方法是降低活雞的每公斤生產(chǎn)成本Manycompanies,however,measureproductionefficiencywithindicatorslikeEPEF(FeedConversion,MortalityandAverageDailyGain)然而，許多公司喜歡使用如EPEF的指標去衡量生產(chǎn)效率（飼料轉(zhuǎn)化率，死亡率和每天增重）AdrivetomaximiseBroilerphysicalperformanceisnotalwaysthemostcosteffectivebusinessstrategy最求肉雞的最高生長表現(xiàn)不一定是最有效的經(jīng)濟策略10LowDensityNutrition低營養(yǎng)飼料

TManagingBroilersforProfit

為盈利為目的去管理肉雞

AdjustingNutrientDensitytothebird’srequirement

根據(jù)肉雞的要求調(diào)整營養(yǎng)標準

%reductioninfeedcost–Lysine-doesnotalwaysresultinthesame%increaseinFCR!!!飼料成本下降的幅度%-賴氨酸-不一定導致肉料比數(shù)值提高相同的幅度%Dependingoninitiallevels-areductioninnutrientdensity(essentialAminoAcids)MAYnotcauseperformanceloss.與最初的營養(yǎng)水平相關–營養(yǎng)水平的下降（必須的氨基酸）不一定導致性能的下降

Lysine–Indicatorofthecostofaration賴氨酸-成本的合理指標11ManagingBroilersforProfit

為EffectsofLysineonBW,FCR&WMyield

賴氨酸對體重、肉料比和WM的影響LEASTCOSTWAY最低的成本方式OptimumLysineLevel最佳的賴氨酸水平12EffectsofLysineonBW,FCR&LocalChange

FCRvs.FeedCost/kg肉料比（FCR）VS.每公斤飼料成本

Customersneedtobeconvincedthatnutritionrequirementsaredifferent.Cobbbirdsarefed“cheaper”rationsthantheOTHERBREEDS.我們要說服肉雞飼養(yǎng)戶，科寶肉雞的營養(yǎng)要求是不同的?？茖毴怆u需要比其它品種更加“低廉”的飼料FCRisnolongeravalidcomparativeindex…FeedCost/kgistheindex(FCRxDietCost)肉料比（FCR）不再是有效的比較指標每公斤的飼料成本才是有效的指標（FCRx配方成本）13LocalChange

FCRvs.FeedCosEssentialNutrients基本營養(yǎng)要求

AreasNOTtocompromiseon

不能降低的方面MineralandVitaminNutrition微量元素和礦物營養(yǎng)

RapidGrowthusually=highfeedconsumption=morerapidpassageofdigestathroughthegut=shorterperiodforabsorptionofsomekeynutrients.通常，生長速度快=飼料消耗量高=內(nèi)臟消化液的分泌更快=營養(yǎng)成分的吸收時間更短Caabsorptionisabout50%,however,thisdeclineswithincreasingfeedintake.鈣的吸收大概是50%，然而，卻隨著飼料攝入的增加而下降STARTERGROWERFINISHERCalcium

%鈣1.051.000.90Av.Phosphorus%0.500.480.45VitaminD3(MIU/t)

維生素D35.05.05.0

Highearlygrowthpotential–VERYIMPORTANTthatlevelsofseveralkeymicronutrientsarenotcompromised.早期生長速度潛力高–幾種微量元素的水平不能降低，很重要14EssentialNutrients基本營養(yǎng)要求

AreaResponsetoEnergy對能量的反應

EffectsonFCR對FCR的影響

Likeallbirds,theCobbbirdrespondstolowerenergybyEATINGMORE!!.CobbEnergySpecificationsareLOWERthantheOTHERBREEDS.Reducingconsumptionbyincreasingenergytohighlevelsis–VERYDANGEROUS-thebird’sappetiteisenormous!UseCobbdietsfortheintendedperiods.Example:GrowerRation-isNOTintendedtogoover22days.EnergyistoolowandFCRislostquickly15ResponsetoEnergy對能量的反應

EffecAVIAN48FeedFormulation

AVIAN48飼料配方16AVIAN48FeedFormulation

AVIACobb500FeedFormulation

科寶500飼料配方17Cobb500FeedFormulation

科寶5MineralandVitaminRequirements

礦物質(zhì)和維生素的需求

LegDisordersassociatedwithdeficiencyorimbalance

與礦物質(zhì)和維生素缺乏或失蘅相關的腿病Rotatedtibias-PerosisPerosis=Manganesedeficiencycommonly.Tendonslips.InrotatedtibiastendonremainsinplaceInfectiouslegdisordersorlongbonedeformitiescandevelopafteranutritionaldisorderastheyweakensthechicken’slegsTD,Rickets18MineralandVitaminRequiremenRickets-growthplatelesions

NormalCa/DdeficiencyPdeficiencyOftenbetween2and4weeksofage通常在2-4周期間發(fā)生MineralandVitaminRequirements

礦物質(zhì)和維生素的需求

LegDisordersassociatedwithdeficiencyorimbalance

與礦物質(zhì)和維生素缺乏或失蘅相關的腿病19Rickets-growthplatelesionsTibialDyschondroplasia(TD)Ca/Pimbalances(Normalratio=2.1)Normallypost4weeksofage鈣/P失蘅（正常比例=2.1）通常在4周齡以后發(fā)生MineralandVitaminRequirements

礦物質(zhì)和維生素的需求

LegDisordersassociatedwithdeficiencyorimbalance

與礦物質(zhì)和維生素缺乏或失蘅相關的腿病20TibialDyschondroplasia(TD)CaLowDensityNutrition低營養(yǎng)飼料

Whyconsiderit?

為什么要考慮？CONTROLGROWTH0–21d=GOODSKELETALHEALTH

Lowdensity=LowCostnutritionTHEKEYtogrowthcontrol0-21日齡控制體重增長=良好的骨骼健康低營養(yǎng)=低成本體重增長控制的關鍵COBB>21DAYSCOMPENSATORYGROWTH科寶在超過21日齡后出現(xiàn)補償性生長21LowDensityNutrition低營養(yǎng)飼料

WhyLeastCost

最低的成本ReducedEnergyandAminoAcidsBUTWELLBALANCED.LoweredLiveWeightGain(ADG)&IncreasedFCROPTIMALCostPerKilogramofBW降低能量和氨基酸，但仍然達到良好的均衡體重增長率下降，同時，肉料比（FCR）值升高最好的每公斤活雞成本22LeastCost

最低的成本ReducedEnergyStarterGrowerFinisherProtein蛋白21.019.017.5Lys,total0Lys,dig.1.040.96.87TSAA.89.86.82TSAA,dig..77.75.71Threonine.79.75.70Calcium.90.88.84Av.P.45.42.40Sodium.20.17.16ME,MJ/kg12.4512.7013.20ME,kcal/kg297630353155Cal:Prot142160180LeastCost

最低的成本23StarterGrowerFinisherProtein蛋白DefineYourBusinessNutritionRequirements

根據(jù)自己的公司策略制定肉雞的營養(yǎng)標準CustomerNeedsCarcassweightProductionParameters:SlaughterweightSlaughterAgeCycleLength1.屠宰體重2.屠宰日齡3.飼養(yǎng)周期Netreturn:KG/M2/YEARGrossMargin24DefineYourBusinessNutritionUSDATA:LeastCostVSEEI

美國數(shù)據(jù)：最低成本vs.EEI25USDATA:LeastCostVSEEI

美國

USDATA:LeastCostVSEEI

美國數(shù)據(jù)：最低成本vs.EEI26USDAVIAN48PERFORMANCE

AVIAN48肉雞性能27AVIAN48PERFORMANCE

AVIAN48COBB500PERFORMANCE

科寶500肉雞性能28COBB500PERFORMANCE

科寶500肉雞性BROILERBUSINESSMANAGEMENTMEASURE&BENCHMARKYOURBUSINESS!HOW?Answer:WeighEachWeek.MeasureFeedConsumption–1stWeek!!!MeasureDailyWaterConsumptionBenchmarkperformancewiththeBEST7dBW=4×dayoldweight160-170grams29BROILERBUSINESSMANAGEMENTMEAD.CHICKSTART–FEEDINTAKEMANAGEMENT

開始育雛–吃料管理30D.CHICKSTART–FEEDINTAKEMCHICKSTART

開始育雛FinancialSuccessChickStartHOUSEPREPARATIONFEEDACCESS+WATER!LITTERTEMP.Checkchicksregularlythedayofplacement.經(jīng)濟收益開始育雛準備雞舍-準備充足的飼料和水-墊料溫度在進雛當天經(jīng)常檢查雞雛的情況31CHICKSTART

開始育雛FinancialSuc7DAYWEIGHTS-LOW?

7日齡體重–低？WHY?為什么？1. LOWFEEDCONSUMPTION!!ORFEEDQUALITY?吃料少?。?！或2.飼料質(zhì)量？327DAYWEIGHTS-LOW?

7日齡體重–低ImportanceOfEarlyFeedConsumption

早期吃料的重要性Absorptionofyolk-secretionofyolkintheintestineNutrients:25%protein,25%lipids&50%water+antibodiesInternalorgangrowthliver,intestines,perorgangrowthneededfordigestion.spleenandbursaweightsrelatetobodyweight=immunity.蛋黃吸收-33ImportanceOfEarlyFeedConsuDigestiveTract-EarlyFeedIntakePostHatch-IntestineincreasesinweightquickerthanthebodyMaxIntestineGrowthfor6-10daysposthatchVillusHeightIncreases200%48HRPostHatch-VilliESSENTIALforAbsorption34DigestiveTract-EarlyFeedIDigestiveTract-EarlyFeedIntakeDigestion-NeedgastricandpancreaticsecretionsFeedintakeincreasessecretions35DigestiveTract-EarlyFeedIFEEDAdditionalfeedingspaceforfirstweek25%broodingareacoveredwithpaper50-65gadditionalfeedperchickSupplementarytrays–1per100chicks36FEEDAdditionalfeedingspacefSTARTERFEEDMANAGEMENTRefreshfeeders3timesperdayStarterCrumb-10daysFeed&WaterAccessRunAutomaticFeeders3timesperday37STARTERFEEDMANAGEMENTRefresCHICKCHECKMorningafterplacementCheck:–temperatureoffeetagainstneckorcheekARETHEFEETCOLD???

Revaluatepre-heatingtemperatureResultsofColdLitter:poorearlyfeedintakepoorgrowthandpooruniformity38CHICKCHECKMorningafterplaCHICKCHECK

PART2

SAMPLE100BIRDSFullFeed&WaterFull&HardOnlyFeedFull&SoftOnlyWaterEMPTY95%??###MorningafterplacementGOODRESULT=95%CROPFULL

39CHICKCHECK

PART2

SAMPLE10SummaryPreparationBeready24hoursbeforechicksarriveChickStartDon’tlimitperformancewithpoormanagementWeighandMonitorKnowhowyourchicksaregrowingMaintainaGoodEnvironmentAlwaysgivethemagoodenvironmentCorrectNutritionMorenutrientsarenotnecessarilybetter!40SummaryPreparation40THANKYOU41THANKYOU41FeedingTheCobbBroiler科寶肉雞飼養(yǎng)管理AndrewBourne–BroilerSpecialist(WorldTechnicalSupport)AndrewBourne-肉雞專家（世界技術(shù)支持）42FeedingTheCobbBroilerAndrewFeed&Management

飼料&飼養(yǎng)管理GenetictrendsWhattoexpectinthefuture?WhatRation?LEASTCOSTChickStartHowToMaximiseFeedIntakeA。育種趨勢未來可以期待什么？B。衡量的標準（量化標準是什么）？最低成本C。育雛如何攝入最多的飼料43Feed&Management

飼料&飼養(yǎng)管理GenGENETICTRENDS

育種趨勢44GENETICTRENDS

育種趨勢3AnnualImprovementRatesCobb500

科寶500每年的遺傳進展率Trait項目Improvement進展Weight體重50g（克）FeedConversion飼料轉(zhuǎn)化率-0.02EvisceratedYield酮體0.1%BreastMeat胸肉0.3%Eggs/HenHoused入舍母雞產(chǎn)蛋145AnnualImprovementRatesCobbSelectionPressureonBodyWt.體重方面的選種壓力46SelectionPressureonBodyWt.CobbMalePerformance

科寶公雞性能Trait項目19942003DIFFERENCE差異Wtat4242日齡體重2076g2848g770gWtat5656日齡體重3082g4064g982gDays-2kg2公斤需要的天數(shù)40.932.9<8daysDays-3kg3公斤需要的天數(shù)54.843.6<11.2days47CobbMalePerformance

科寶公雞性能TrAvian48/Cobb500

AVIAN48/科寶500GrandParent祖代Maleline公系Femaleline母系Line35xLine35Line58xLine12Line44Line12ParentStock父母代MaleParent父母代公雞FemaleParent父母代母雞Broiler肉雞48Avian48/Cobb500

AVIAN48/科HybridVigor–ImprovedLivabilityandFCR.LittledifferenceinBW&FCRcomparedtoCobb500Cobb500-Breastmuscleiswider.Avian48-Breastmusclelonger&narrowReducedBreastYieldBUTincreasedDrumStick≈SimilarWOGyield.高效性能-成活率和肉料比更好與科寶500相比，體重和肉料筆差異很小科寶500-胸肉更寬AVIAN48-胸肉更長更窄胸肉率減少，但腿肉更多≈出肉率相似CharacteristicsoftheAvian48VSCobb500

AVIAN48與科寶500特點對照49HybridVigor–ImprovedLivabiB.THELEASTCOSTWAY

OR

THECOBBWAY

最低成本的方式

或

科寶的方式50B.THELEASTCOSTWAY

OR

THECLowDensityNutrition低營養(yǎng)飼料

TheEconomics經(jīng)濟性

Theobviouswaytoincreaseprofitabilityisbyreducingthecostperkgofliveweightproduced.提高經(jīng)濟效益的最好方法是降低活雞的每公斤生產(chǎn)成本Manycompanies,however,measureproductionefficiencywithindicatorslikeEPEF(FeedConversion,MortalityandAverageDailyGain)然而，許多公司喜歡使用如EPEF的指標去衡量生產(chǎn)效率（飼料轉(zhuǎn)化率，死亡率和每天增重）AdrivetomaximiseBroilerphysicalperformanceisnotalwaysthemostcosteffectivebusinessstrategy最求肉雞的最高生長表現(xiàn)不一定是最有效的經(jīng)濟策略51LowDensityNutrition低營養(yǎng)飼料

TManagingBroilersforProfit

為盈利為目的去管理肉雞

AdjustingNutrientDensitytothebird’srequirement

根據(jù)肉雞的要求調(diào)整營養(yǎng)標準

%reductioninfeedcost–Lysine-doesnotalwaysresultinthesame%increaseinFCR!!!飼料成本下降的幅度%-賴氨酸-不一定導致肉料比數(shù)值提高相同的幅度%Dependingoninitiallevels-areductioninnutrientdensity(essentialAminoAcids)MAYnotcauseperformanceloss.與最初的營養(yǎng)水平相關–營養(yǎng)水平的下降（必須的氨基酸）不一定導致性能的下降

Lysine–Indicatorofthecostofaration賴氨酸-成本的合理指標52ManagingBroilersforProfit

為EffectsofLysineonBW,FCR&WMyield

賴氨酸對體重、肉料比和WM的影響LEASTCOSTWAY最低的成本方式OptimumLysineLevel最佳的賴氨酸水平53EffectsofLysineonBW,FCR&LocalChange

FCRvs.FeedCost/kg肉料比（FCR）VS.每公斤飼料成本

Customersneedtobeconvincedthatnutritionrequirementsaredifferent.Cobbbirdsarefed“cheaper”rationsthantheOTHERBREEDS.我們要說服肉雞飼養(yǎng)戶，科寶肉雞的營養(yǎng)要求是不同的?？茖毴怆u需要比其它品種更加“低廉”的飼料FCRisnolongeravalidcomparativeindex…FeedCost/kgistheindex(FCRxDietCost)肉料比（FCR）不再是有效的比較指標每公斤的飼料成本才是有效的指標（FCRx配方成本）54LocalChange

FCRvs.FeedCosEssentialNutrients基本營養(yǎng)要求

AreasNOTtocompromiseon

不能降低的方面MineralandVitaminNutrition微量元素和礦物營養(yǎng)

RapidGrowthusually=highfeedconsumption=morerapidpassageofdigestathroughthegut=shorterperiodforabsorptionofsomekeynutrients.通常，生長速度快=飼料消耗量高=內(nèi)臟消化液的分泌更快=營養(yǎng)成分的吸收時間更短Caabsorptionisabout50%,however,thisdeclineswithincreasingfeedintake.鈣的吸收大概是50%，然而，卻隨著飼料攝入的增加而下降STARTERGROWERFINISHERCalcium

%鈣1.051.000.90Av.Phosphorus%0.500.480.45VitaminD3(MIU/t)

維生素D35.05.05.0

Highearlygrowthpotential–VERYIMPORTANTthatlevelsofseveralkeymicronutrientsarenotcompromised.早期生長速度潛力高–幾種微量元素的水平不能降低，很重要55EssentialNutrients基本營養(yǎng)要求

AreaResponsetoEnergy對能量的反應

EffectsonFCR對FCR的影響

Likeallbirds,theCobbbirdrespondstolowerenergybyEATINGMORE!!.CobbEnergySpecificationsareLOWERthantheOTHERBREEDS.Reducingconsumptionbyincreasingenergytohighlevelsis–VERYDANGEROUS-thebird’sappetiteisenormous!UseCobbdietsfortheintendedperiods.Example:GrowerRation-isNOTintendedtogoover22days.EnergyistoolowandFCRislostquickly56ResponsetoEnergy對能量的反應

EffecAVIAN48FeedFormulation

AVIAN48飼料配方57AVIAN48FeedFormulation

AVIACobb500FeedFormulation

科寶500飼料配方58Cobb500FeedFormulation

科寶5MineralandVitaminRequirements

礦物質(zhì)和維生素的需求

LegDisordersassociatedwithdeficiencyorimbalance

與礦物質(zhì)和維生素缺乏或失蘅相關的腿病Rotatedtibias-PerosisPerosis=Manganesedeficiencycommonly.Tendonslips.InrotatedtibiastendonremainsinplaceInfectiouslegdisordersorlongbonedeformitiescandevelopafteranutritionaldisorderastheyweakensthechicken’slegsTD,Rickets59MineralandVitaminRequiremenRickets-growthplatelesions

NormalCa/DdeficiencyPdeficiencyOftenbetween2and4weeksofage通常在2-4周期間發(fā)生MineralandVitaminRequirements

礦物質(zhì)和維生素的需求

LegDisordersassociatedwithdeficiencyorimbalance

與礦物質(zhì)和維生素缺乏或失蘅相關的腿病60Rickets-growthplatelesionsTibialDyschondroplasia(TD)Ca/Pimbalances(Normalratio=2.1)Normallypost4weeksofage鈣/P失蘅（正常比例=2.1）通常在4周齡以后發(fā)生MineralandVitaminRequirements

礦物質(zhì)和維生素的需求

LegDisordersassociatedwithdeficiencyorimbalance

與礦物質(zhì)和維生素缺乏或失蘅相關的腿病61TibialDyschondroplasia(TD)CaLowDensityNutrition低營養(yǎng)飼料

Whyconsiderit?

為什么要考慮？CONTROLGROWTH0–21d=GOODSKELETALHEALTH

Lowdensity=LowCostnutritionTHEKEYtogrowthcontrol0-21日齡控制體重增長=良好的骨骼健康低營養(yǎng)=低成本體重增長控制的關鍵COBB>21DAYSCOMPENSATORYGROWTH科寶在超過21日齡后出現(xiàn)補償性生長62LowDensityNutrition低營養(yǎng)飼料

WhyLeastCost

最低的成本ReducedEnergyandAminoAcidsBUTWELLBALANCED.LoweredLiveWeightGain(ADG)&IncreasedFCROPTIMALCostPerKilogramofBW降低能量和氨基酸，但仍然達到良好的均衡體重增長率下降，同時，肉料比（FCR）值升高最好的每公斤活雞成本63LeastCost

最低的成本ReducedEnergyStarterGrowerFinisherProtein蛋白21.019.017.5Lys,total0Lys,dig.1.040.96.87TSAA.89.86.82TSAA,dig..77.75.71Threonine.79.75.70Calcium.90.88.84Av.P.45.42.40Sodium.20.17.16ME,MJ/kg12.4512.7013.20ME,kcal/kg297630353155Cal:Prot142160180LeastCost

最低的成本64StarterGrowerFinisherProtein蛋白DefineYourBusinessNutritionRequirements

根據(jù)自己的公司策略制定肉雞的營養(yǎng)標準CustomerNeedsCarcassweightProductionParameters:SlaughterweightSlaughterAgeCycleLength1.屠宰體重2.屠宰日齡3.飼養(yǎng)周期Netreturn:KG/M2/YEARGrossMargin65DefineYourBusinessNutritionUSDATA:LeastCostVSEEI

美國數(shù)據(jù)：最低成本vs.EEI66USDATA:LeastCostVSEEI

美國

USDATA:LeastCostVSEEI

美國數(shù)據(jù)：最低成本vs.EEI67USDAVIAN48PERFORMANCE

AVIAN48肉雞性能68AVIAN48PERFORMANCE

AVIAN48COBB500PERFORMANCE

科寶500肉雞性能69COBB500PERFORMANCE

科寶500肉雞性BROILERBUSINESSMANAGEMENTMEASURE&BENCHMARKYOURBUSINESS!HOW?Answer:WeighEachWeek.MeasureFeedConsumption–1stWeek!!!MeasureDailyWaterConsumptionBenchmarkperformancewiththeBEST7dBW=4×dayoldweight160-170grams70BROILERBUSINESSMANAGEMENTMEAD.CHICKSTART–FEEDINTAKEMANAGEMENT

開始育雛–吃料管理71D.CHICKSTART–FEEDINTAKEMCHICKSTART

開始育雛FinancialSuccessChickStartHOUSEPREPARATIONFEEDACCESS+WATER!LITTERTEMP.Checkchicksregularlythedayofplacement.經(jīng)濟收益開始育雛準備雞舍-準備充足的飼料和水-墊料溫度在進雛當天經(jīng)常檢查雞雛的情況72CHICKSTART

開始育雛FinancialSuc7DAYWEIGHTS-LOW?

7日齡體重–低？WHY?為什么？1. LOWFEEDCONSUMPTION!!ORFEEDQUALITY?吃料少?。。』?.飼料質(zhì)量？737DAYWEIGHTS-LOW?

7日齡體重–低ImportanceOfEarlyF