日糧不同粗蛋白質(zhì)水平對濟(jì)寧百日雞生產(chǎn)性能和繁殖性能影響的分析

《日糧不同粗蛋白質(zhì)水平對濟(jì)寧百日雞生產(chǎn)性能和繁殖性能影響的分析》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。

1、萬方數(shù)據(jù)日糧不同粗蛋白質(zhì)水平對濟(jì)寧百日雞生產(chǎn)性能和繁殖性能影響的研究increasedlinearly．Themaximumeggshellhardnesswashighestin17％crudeproteingroup．Albumenheight，percentageyolk，Haughunit，yolkweight，egg-shapeindex，eggshellweight，eggshellthicknessandyolkproteinratiowerenotsignificantlyaffectedb

2、ydietarycrudeproteinlevelsfrom41to48weeks(P>0．05)．Dietarycrudeproteinlevelseffectedserumtotalprotein，serumalbuminandserumuricacid(P<0．05)，butnotserurflureaattheageof44weeks(P>0．05)．Atthe48weeksage，seru／／1biochemicalparameterswerehardlysignificantlyaffected

3、bydietarycrudeproteinlevelsbutserurnurea(P<0．05)．Dietarycrudeproteinlevelshadaffectedtotaleggnumberandhatchableeggnumberhatchedchicknumber(P

4、1to48weeks(P>0．05)．Breeddietarycrudeproteinlevelshadnoeffectsexceptheartweight(P<0．05)onnewbornchicksattheageof44weeks，buteffectedbirthweightandliverweightofnewbornchicks(P

5、ntlyaffectedbybreeddietarycrudeproteinlevelsbutserumuricacid(P<0．05)．Aseriesofcomparativeexperimentswereconductedtostudytheeffectsofdietarycrudeproteinlevelsonproductionperformance，eggquality，serumbiochemicalparameters，breedperformanceandnewbornchicksofJin

6、ingBairiChicken．Averagedietarycrudeproteinintake(ADCPI)andaveragedailygain(hOG)wereregardedasdependentvariable(Ⅵandindependentvariable(X)respectively，thenlinearregressionweremade，theresultasfollows：ADCPI=0．2680ADG+0．2711ADEM+3．2993BWo·75ADCPI=0．3347ADG+0．2

7、784ADQEM+3．3684BWo·75ThebettercrudeproteinlevelforthebestproductionperformanceofJiningBairiChickenis15．49％．ThebetterdietarycrudeproteinlevelforthebestbreedperformanceofJiningBairiChickeniS14．81％．Keywords：JiningBairiChicken；DietaryCrudeProteinLevel；Producti

8、onPerformance；Breedperformance；ProteinrequirementIV萬方數(shù)據(jù)山東農(nóng)業(yè)大學(xué)全日制碩士專業(yè)學(xué)位論文1前言1．1家禽蛋白質(zhì)營養(yǎng)1．1．1蛋白質(zhì)蛋白質(zhì)是由氨基酸組成的一類數(shù)量非常龐大的物質(zhì)的總稱。蛋白質(zhì)是構(gòu)成細(xì)胞的基本有機(jī)物，生命活動(dòng)的主要承擔(dān)者，可以說沒有蛋白質(zhì)就沒有生命。機(jī)體中的每一個(gè)細(xì)胞、機(jī)體所有重要組成部分都有蛋白質(zhì)的參與。每種動(dòng)物都有自己特定的蛋白質(zhì)，而且品種多