长顺绿壳蛋鸡种质资源特性与饲养技术研究

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1、贵州大学2009届农业推广硕士研究生学位论文长顺绿壳蛋鸡种质特性及饲养技术研究StudyonbreedcharacteristicsandfeedingtechniqueofChangshungreen-shellChickenABSTRACTGreenshelleggiswidelyacceptedasfunctionalfoodinthemarketforitsshellcolorandrichnutrients.Thepresentstudyisfocusedonitsbreedresource,growthperf

2、ormance,andfeedtechniquesbasedonthecurrentsituationofChangshungreen-shellchicken.TheresultofapparentcharacteristicshowedthatthemostfeathercolorofChangshungreen-shellchickenisJuteFeather(47.33),followedbyblackfeather(28.95%)andblack-mafeather(22.69%),withtheleaston

3、ewhitefeather(1.03%).Blackisthedominantcolorforshankcolor(87.68%)andbeak(79.32%).Changshungreen-shellchickenissuggestedtobeheterozygosisgroupindicatedbyitsapparentcharacteristicsandheritagerule.Changshungreen-shellchickhasasimilarbodysizetoshortchickenbreedinGuizh

4、oubutitsBreastdepthishigherthanthatofshort-legchickenbreed.Adultroosterhas1.85kgbodyweightwhile1.71kgforadulthen,whichishigherthanothergreen-shellchickbreed.Adultroosterhas79.85%Percentageofhalf-evisceratedyieldwhile79.81%foradulthen.ThePercentageofhalf-eviscerate

5、dyieldofadulthenishigherthanotherchickenbreedbutnotshort-legchick.GrowthperformanceofChangshungreen-shellchickenduring3to5weeksishigherthanChongrenchickandGongchuanchick.Theabove-mentionedresultsshowedthatChangshungreen-shellchickenhasagoodpotentialfortheusageofme

6、at-orientation.Theeggqualityresultsindicatedthatcomparedwithwhite-shellchickenfromthesameChangshungreen-shellchickenfamily,green-shellchickenhasmoreconcentrationsofprotein,essentialaminoacid,traceelements.Itissuggestedthatgenedifferenceisthesourceofeggquality.Chan

7、gshungreen-shellchickenhas10~20%layingratefedbycommonmethods.However,itslayingrateisincreasedtobe39.86%whenitisfedinintensivefeedingbydietarymodulation.ThisresultshowsthatChangshungreenshellchickenfamilyhasapotentialfortheincreaseoflayingrate.Keywords:Changshungre

8、en-shellchicken,breedresource,feedingtechnique,meat-orientatedvalue,layingperformance2贵州大学2009届农业推广硕士研究生学位论文长顺绿壳蛋鸡种质特性及饲养技术研究前言我国多样化的地理、生态、气候条件，众多的民族及不同