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辣椒红色素和陈皮粉对产蛋后期粉壳蛋鸡生产性能及鸡蛋品质的影响 Title:EffectsofCapsicumRedPigmentandTangerinePeelPowderontheProductivePerformanceandEggQualityofLate-StageShellPowderEgg-LayingHens Abstract: Theobjectiveofthisstudywastoinvestigatetheeffectsofcapsicumredpigmentandtangerinepeelpowderontheproductiveperformanceandeggqualityoflate-stageshellpowderegg-layinghens.AtotalofXXXlate-stageshellpowderegg-layinghenswererandomlyassignedtoXtreatmentgroups:control,capsicumredpigment,andtangerinepeelpowder.ThehenswerefedastandarddietsupplementedwithcapsicumredpigmentortangerinepeelpowderforaperiodofXweeks.Theproductiveperformanceparametersincludingeggproductionrate,eggweight,feedintake,andfeedconversionratiowererecorded.Additionally,theeggqualityparameterssuchaseggshellstrength,eggshellcolor,yolkcolor,albumenheight,andHaughunitwerealsodetermined. Introduction: Shellpowderegg-layinghensareavaluableagriculturalresourceduetotheirhigheggproductionrateandquality.Theproductivityandqualityofeggsareinfluencedbyvariousfactorsincludingnutrition,managementpractices,andsupplements.Inrecentyears,therehasbeenagrowinginterestinusingnaturaladditivestoimprovepoultryperformanceandeggquality.Capsicumredpigmentandtangerinepeelpowderaretwosuchadditivesthathaveshownpotentialinenhancingpoultryhealthandproductivity.Thisstudyaimedtoassesstheeffectsoftheseadditivesontheproductiveperformanceandeggqualityoflate-stageshellpowderegg-layinghens. Methods: ExperimentalDesign: -AtotalofXXXlate-stageshellpowderegg-layinghenswererandomlyallocatedtothreetreatmentgroups:control,capsicumredpigment,andtangerinepeelpowder. -EachtreatmentgroupconsistedofXXXhens,andreplicatepenswereusedforeachtreatment. -Thehenswereallowedadlibitumaccesstowaterandastandarddietthroughouttheexperimentalperiod. DietaryTreatments: -Controlgroup:Basaldietwithoutanyadditives. -Capsicumredpigmentgroup:BasaldietsupplementedwithcapsicumredpigmentataconcentrationofXg/kg. -Tangerinepeelpowdergroup:BasaldietsupplementedwithtangerinepeelpowderataconcentrationofXg/kg. DataC