金钗石斛对产蛋后期赤水乌骨鸡产蛋率和蛋品质的影响

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中图分类号：S831 文献标识码：A

Abstract：TostudytheefectsofDendrobiumnobileontheeg productionperformanceandeg qualityof 60-day-oldChishuisilkiehens.Theexperimentwasconductedbyrandomlydividing270Chishuisilkie hens with similar body weight into 3 groups with 6 replicates of each group and 15 hens in each replicate. Thecontrolgroupwasfedwiththebasaldiet，andtheexperimentalgroupⅠandⅡ wasfedwithsuplementof 700mg/kg and 1400mg/kgD .nobilepowderinthebasaldiet，respectively.Thefedintake， eg production，eg weightandmortalityofeachgroupwererecordedeveryday.Theeg productionrate andfed-to-eg ratiowerecalculatedandanalyzedattheendoftheexperiment.3egswererandomly takenfromeachreplicateonthe 90th dayoftheexperimenttomeasureandanalyzetheeg quality，amino acidandfatyacidcontentsoftheegs.Theresultsshowedthat： ① Comparedwiththecontrolgroup， the eg production rate of test group I was significantly higher ϕ<0.05） ）. ② The Haptoglobin unit and eg yolkcolorofegsoftestgroup Ⅰ wassignificantlyhigherthanthatofthecontrolgroupandtest groupⅡ P<0.05; ）.Theproteincontentoftestgroup Ⅰ wassignificantlyhigherthanthatoftest groupⅡ p<0.05） ）. ③ TheegsofChishuisilkiehensintestgroupsⅠand I containedsignificantly higherserine，glutamicacid，glycine，totalaminoacidsandnon-esentialaminoacidsthanthoseofinthe egsofcontrol ⋅p<0.05） ）. ④ Thecontentsofpalmiticacid，linoleicacid，behenicacid，totalsaturated fatyacids（SFA）andpolyunsaturatedfatyacids（PUFA）intheegsoftestgroupⅠ weresignificantly higherthanthoseinthecontrolgroupandtestgroupⅡ ϕ<0.05） ）.Theoleicacidintestgroup I was significantlyhigherthanthatincontrolgroupandtestgroupⅠ ϕ<0.05） ）.Theaditionof D .nobileto thefedhadapositiveefectontheeg productionrate，eg quality，aminoacidsandfatyacidsinegsof Chishuisilkiehens.

Keywords：Dendrobiumnobile;eg productionrate;eg quality;Chishuisilkiehens

中国目前已全面禁止在饲料中使用促进动物生长发育的药物添加剂[1]，而饲用药物添加剂的禁用会导致畜禽的生产力水平下降，因此“饲用替抗”产品和技术已在畜牧产业中成为新的研究热点。（剩余8410字）