不同生產(chǎn)系統(tǒng)對盧氏雞生長發(fā)育及肉品質(zhì)影響的研究.pdf

1、河南農(nóng)業(yè)大學碩士學位論文不同生產(chǎn)系統(tǒng)對盧氏雞生長發(fā)育及肉品質(zhì)影響的研究姓名：時合靈申請學位級別：碩士專業(yè)：農(nóng)業(yè)推廣養(yǎng)殖指導(dǎo)教師：康相濤田亞東20090501EffectofDifferentFeedingStyleonMeatQualityandGrouthDevelopmentofLushiChickenSupervisor：ProKangXiangtaoMastercandidate：ShiHelingAbstract：Thisex

2、perimentselectedcageraisedandyardraisedLushichickenaged40weeks，12ofeachkind(cocksandhensinhalf)CageraisedchickenwerefromLushiSantecompanyyardraisedchickenwerefromfarmersWemeasuredthebodysize，weighedtheweightofchickenwith

3、emptystomach，thenslaughteredthemInordertostudytheeffectsonthegrowthperformanceandmeatqualityofLushiChickenraisedindifferentfeedingstyle，wecomparedthegrowthandCarCasStraitsmeetqualityanddigestiveorgansofthecageraisedchick

4、enwiththatofyardraisedLushichickenTheresultsareasfollows：Theweightofcageraisedchickensissignificantlyhigherthanthatofyardraised(P005)；indifferentraisedways，theabdominalfatrateofcageraisedchickensissignificantlyhigherthan

5、thatofyardraisedones(P005)TherearetheresultsofLushichicken’Sdigestiveorgansindifferentraisedways：alllengthofsmallintestine，duodenum，jejunumandileumofcageraisedgrouparesignificantlyhigherthanthatoftheyardraisedgroup(P005)

6、ThereisnoobviousdifferenceamongthevillouslengthofvariousintestinalsegmentsThecryptdepthofvariousintestinalsegmentsofyardraisedcocksisobviouslydeeperthanthatofcageraisedcocks(P005)Fromtheresultsofmuscularfreeaminoacidscon

7、tent，wecanknowthatthecontentoftotalaminoacids，essentialaminoacidsandflavoraminoacidofcageraisedgroupishigherthanthatofyardraisedgroupThecageraisedgroupisequaltovardraisedgroupattheproportionofessentialaminoacidagainsttot

8、alaminoacidButtheratioofflavoraminoacidagainsttotalaminoacidofyardraisedgroupishigherthanthatofcageraisedgroupTheresultsoftheexperimentshowsthat：thecageraisedchicken’Sweightishigherthanyardraisedones’Themusclequalityofya

9、rdraisedLushichickenisbetterthancageraisedonesatallaspectsindifferentdegreeexceptthetendernessComparedwithcageraisedchicken。theLushichicken’Sgrowthperformancehasbeenimprovedintheyardraisedways，especiallythemeatqualityThe