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1、2015年第36卷第1期增刊三七提取物對蛋雞產(chǎn)蛋后期蛋品質(zhì)及免疫功能的影響■田向?qū)W李鵬李平孫英峰穆淑琴(天津市畜牧獸醫(yī)研究所,天津300384)摘要:為了研究日糧中不同水平三七提取物(PNS)對產(chǎn)蛋后期蛋雞雞蛋品質(zhì)及免疫功能的影響,采用單因素完全隨機分組試驗設(shè)計,選擇同一批次288只55周齡的健康海蘭蛋雞,隨機分成4組(每組6個重復,每個重復12只雞),各組日糧中三七總皂甙(PNS)的添加量分別為0mg/kg(A組)、50mg/kg(B組)、100mg/kg(C組)、150mg/kg(D組)。飼養(yǎng)試驗為期60d,結(jié)果
2、表明,試驗C、D組蛋形指數(shù)顯著高于對照組(P<0.05);試驗B、D組蛋白高度比對照組提高26.92%、34.91%,差異顯著(P<0.05),哈夫單位比對照組提高19.27%、18.37%,差異顯著(P<0.05);試驗B、C、D組蛋黃膽固醇與對照組相比分別降低6.93%、10.64%、11.59%,各組與對照組相比差異極顯著(P<0.01);添加PNS對雞蛋蛋殼厚度、蛋殼強度、蛋黃相對重、蛋白相對重、蛋黃顏色均無顯著影響(P>0.05)。試驗B組血清IgA、IgG含量比對照組高4.41%、10.55%,差異顯著(
3、P<0.05),試驗C、D組血清C3、C4含量比對照組低12.68%(P<0.05)、12.37%(P<0.05)和8.31%、7.35%,試驗B組血清C3、C4含量比對照組高22.6%和35.78%(P<0.05),結(jié)果顯示,高劑量PNS能降低血清C3、C4含量,低劑量則提高血清C3、C4含量。關(guān)鍵詞:三七總皂甙;蛋品質(zhì);免疫功能doi:10.13302/j.cnki.fi.2015.Z1.010中圖分類號:S816.32文獻標識碼:A文章編號:1001-991X(2015)Z1-0033-04EffectofPN
4、SoneggqualityandimmunityfunctionofhensatlatelayingstageTianXiangxue,LiPeng,LiPing,SunYingfeng,MuShuqinAbstract:TostudytheeffectsofPNSonproductionperformance,yolkcholesterolandeggtraitsoflayers,28855-week-ageHy-linebrownlayerswerefedorn-soybeandietaddingPNS0mg/k
5、g(A),50mg/kg(B),100mg/kg(C),150mg/kg(D).Layerswererandomlydividedinto4groups(72foreachgroup,12foreachreplicate).Thebasaldietwasusedascontrolgroup,andtheexperimentlastedfor60d.TheresultsshowedthattheeggshapeindexofexperimentalgroupC,Dweresignificantlyincreased(P
6、<0.05)comparedwiththecontrol.TheheightofeggproteinofexperimentalgroupB,Dweresignificantlyincreasedby26.92%and34.91%respectively(P<0.05)comparedwiththecontrol.HaughofexperimentalgroupB,Dweresignifi?cantlyincreasedby19.27%and18.37%respectively(P<0.05)comparedwith
7、thecontrol.ExperimentalgroupB,C,Dwereobviouslyreducedthecontentsofyolkcholesterol(P<0.01).SerumIgG、IgAofexperi?mentalgroupBweresignificantlyincreasedby4.41%,10.55%respectively(P<0.05)comparedwiththecontrol.SerumC3、C4ofexperimentalgroupC,Ddroppedby12.68%(P<0.05)
8、,12.37%(P<0.05)and8.31%,7.35%;SerumC3、C4ofexperimentalgroupBincreasedby22.6%and35.78%(P<0.05),ItsuggestedthatthehighdosagePNSdecreasedtheserumC3、C4,thelowdosageincreasedthes