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1、萬方數(shù)據(jù)畜牧與飼料科學—A—nimalHus—b—a,n..—d—s—"—andFeedScienc.e——.—2009.30(1):23—24蜂花粉對肉雜雞免疫器官生長發(fā)育的影H向程郁昕(安徽科技學院動物科學學院,安徽風陽233100)摘要:試驗將272只1日齡肉雜雞(科寶15006×海賽克斯早)隨機分為4組,每組2個重復.每個重復34只。公母各半,,I組為空白對照.Ⅱ、Ⅲ、Ⅳ組分別添加0.5%、1.0%、1.5%的蜂花粉。在7,14,21,28,35,42日齡每個重復隨機抽取4只,稱取活重和免疫器官(脾臟、胸腺、法氏囊)鮮重。計算免疫器官指數(shù).分析免疫器官
2、的相對生長和絕對生長,探討蜂花粉對肉雜雞免疫器官生長發(fā)育的影響,結果表明,脾臟指數(shù)35日齡時Ⅲ組顯著低于對照組(P<0.05);42日齡時Ⅳ組顯著低于對照組(/9<0.05)。胸腺指數(shù)各日齡各組問均無顯著差異(P>0.05)。法氏囊指數(shù)35日齡Ⅳ組顯著高于對照組(P<0.05)。關鍵詞:蜂花粉:肉雜雞;脾臟指數(shù):胸腺指數(shù):法氏囊指數(shù)中圖分類號:$852.16文獻標識碼:A文章順序編號:1672—5190(2009)Ol一0023—02EffectofBeePollenontheGrowthofImmune0rgansofMiscellaneousBroiler
3、sCHENGYu-xin.(CollegeofAnimalScience,AnhuiScienceandTe(‘ImdogyUniversity,F(xiàn)engyang233100.China)Abstract:Twohundredandseventy-twoIdayoldmiscellaneousbroilers(Cot,b1500xHisex)wererandomlydividedinto4groupswith2repeatspergroup.34miscellaneousbroilersforeat·hrepeatandmaleandfemaleaccount
4、edfi)rahalfresp.Group1wasblankcontr01.and0.5%,1.0%an(11.5%beepollenswereaddedintnGroupIl-mantJIVresp.Four7.14.21。28,35and42daysohlehk·kenswererandomlysampledfromeachrepeat。theliveweightandfreshweightofimmuneorgans(spleen,thymusandbursal)wereweighed,theimmuneorganindexeswerecalculate
5、d,andtherelativegrowthandabsolutegrowthofimmuneorganswereanalyzed,andtheeffectofbeepollenonthegrowthofimmuneorgansofmis(’ellaneousbroilerswereresearched.TheresultsshowedthatthespleenindexofGroup111wassignificantlylowerthanthatofcontrolgroup(p<0.05)whentheywere35daysold;thatofGroupIV
6、wassignificantlylowerthanthatoft·ontrnlgroupfP<0.05)whentheywere42daysold.Therewasnosignifi,·antdifferencebetweenallthedaysgn,upsinthymusindex(P>O.05).ThebursaoffahriciusindexofGnmpIVwasobviouslyhigherthanthatofcontrolgroup(P7、usbroilers;spleenindex;thymusindex;bursaoffabriciusindex蜂花粉含有豐富的蛋白質、糖類、脂類、維乍索、礦物質、核酸,還有酶和其他生物活性物質,被譽為營養(yǎng)素的濃縮體:其無抗藥性,具有提高機體免疫功能、促進動物生長發(fā)育等作用”。胸腺、法氏囊和脾臟是禽類最重要的免疫器官。免疫器官稱重法是目前研究機體免疫狀況的方.法之一.一般認為。免疫器官霞苗降低為免疫抑制所致.免疫器官重量增加,則為免疫增強的表現(xiàn)3。峰花粉能明顯地促進中樞免疫器官骨髓的造m功能.促進胸腺的發(fā)展,提高胸腺激素的活性和巨噬細胞的吞噬活性,增加自細胞和
8、T淋巴細胞的數(shù)量4。。吳閏土等s對服用