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1、江西農(nóng)業(yè)學(xué)報(bào)2014,26(2):124~128ActaAgricuhuraeJiangxi不同蛋白水平日糧對(duì)斷奶仔豬的影響辛小召,鄧祖麗穎,石秋鋒,李振田(1.河南農(nóng)業(yè)大學(xué)牧醫(yī)工程學(xué)院,河南鄭州450002;2.鄭州幼兒師范高等??茖W(xué)校,河南鄭州450003)摘要:試驗(yàn)選擇健康狀況良好、體重接近的斷奶仔豬200頭,研究不同蛋白水平的日糧對(duì)斷奶仔豬生產(chǎn)性能、腹瀉率、蛋白消化率以及血清生化指標(biāo)的影響,結(jié)果表明:不同蛋白水平日糧對(duì)斷奶仔豬的日均采食量、日均增重和蛋白消化率均沒(méi)有影響(P>0.05),蛋白水平1
2、9.5%、18.5%的試驗(yàn)組與蛋白水平21.5%、17.5%的試驗(yàn)組相比斷奶仔豬的料重比顯著降低(P<0.05),蛋白水平17.5%的日糧能顯著降低腹瀉率(P<0.05);蛋白水平為18.5%和17.5%的日糧均顯著降低斷奶仔豬血清尿素氮和谷丙轉(zhuǎn)氨酶、堿性磷酸酶的活性(P<0.05),還能顯著提高血清IgA、IgG的濃度(P<0.05),蛋白水平為17.5%的日糧顯著降低血清膽固醇(P<0.05)。關(guān)鍵詞:不同蛋白水平;日糧;斷奶仔豬;腹瀉率;料重比;血清生化指標(biāo)中圖分類號(hào):$828文獻(xiàn)標(biāo)志碼:A文章編號(hào)
3、:1001—8581(2014)02—0124—05EfectsofDietswithDiferentLevelsofProteinonWeanedPigletsXINXiao—zhao,DENGZULi—ying2,SHIQiu—feng,LIZhen—tian(1.CollegeofAnimalScienceandVeterinaryMedicine,HenanAgriculturalUniversity,Zhengzhou450002,China;2.ZhengzhouKingerGartenTea
4、chers’College,Zhengzhou450003,China)Abstract:Thisexperimentselected200headsofweanedpigletswhichwereingoodhealthandhadsimilarbodyweight,andstudiedtheefectsofdietswithdifferentlevelsofproteinontheirproductionperformance,diarrhearate,proteindigestibilityands
5、e—rumbiochemicalindicators.Theresultsindicatedthatthedietswithdifferentlevelsofproteinhadnotsignificantinfluencesontheaveragedailyfeedintake,averagedailygain,andproteindigestibilityofweaningpiglets.Thefeed—gainratioofweaningpigletsfeedingonthedietswith19.
6、5%or18.5%proteinwassignificantlylowerthanthatofweaningpigletsfeedingonthedietswith21.5%or17.5%protein(P<0.05).Thedietscontaining17.5%proteincouldsignificantlyreducethediarrhearateofweaningpiglets(P<0.05).Thedietswith18.5%or17.5%proteincouldsignificantlyre
7、ducetheconcentrationofserumureanitrogen,andtheactivitiesofglutamic—pyruvictransaminaseandalkalinephosphatase(P<0.05),alsocouldsignificantlyincreasethecon—centrationofselMmIgAandIgG(P<0.05).Thedietscontaining17.5%proteincouldsignificantlydecreasetheconcent
8、rationofseiqlmcholesterol(P<0.05).Keywords:Differentproteinlevels;Diets;Weanedpiglets;Diarrhearate;Feed—gainratio;Serumbiochemicalindicators蛋白質(zhì)飼料資源短缺是我國(guó)畜牧業(yè)及飼料工業(yè)發(fā)計(jì),選擇健康狀況良好、體重接近的仔豬200頭,隨機(jī)展面臨的主要問(wèn)題,特別是優(yōu)質(zhì)動(dòng)物源蛋白質(zhì)供應(yīng)日分成5個(gè)處理