牛至油和黃霉素在奶牛生產(chǎn)中應(yīng)用的研究.pdf

1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文牛至油和黃霉素在奶牛生產(chǎn)中應(yīng)用的研究姓名：遠(yuǎn)立國申請學(xué)位級別：碩士專業(yè)：基礎(chǔ)獸醫(yī)學(xué)指導(dǎo)教師：佟恒敏2002.5.1竺蘭竺苧蘭苧苧查苧苧查苧竺查竺竺苧竺!StudyonApplicationofOiloriganumandFlavomycininDairycattleProductionABsTRAcrThegrowthpromotersofantibiotictodomesticanimalhasbeendisc

2、overedbyStockstadctalintwentyfortiesPrimarilyantibioticwasmostlyusedinpoullryandstockwiththerapiddevelopmentofCOWindustyandthedeeperresearchindairycattleintheworld，antibiotichasbeenwidelyusedtetraintheenterpathogenicmicr

3、oorganismandtoimprovethedigestabsorbpowerofcelluloseinrameninUSAandEEC(EuropeEconomicCommunity)Nowadays，antibioticasgrowthpromotersWaSnotwidelyusedindairycattleforthepoorcowindustryinoBrcountrynottosaytheonresidualadditi

4、vesuchasRopadiarFlavomyeinItisnecessarytoresearchanddevelopanewgrowthpromoteradditivespeciallyusedisdairycattletoacceleratethedevelopeofourcountryCOWindustryThereare20ChinaHolsteinCOWSusedinthisexperimentdividedintothree

5、groupsnlewholefeedexperimentperiodis60daysThetreatmentandCOWnumberofeachgroupis∞follows：GroupI(Oiloriganumandflavomycin7)，GroupII(oiloriganumandMonesin，7)GroupHI(Controlgroup，6)111eresultoftheexperimentis：therea”improvem

6、entobviouslyofmilkproductionmilkfatratio，milkproteinratioofGI，GIIcomparedwithGm，Thedifferenceissignificant(P005)Themilkproduction，milkfatratio。milkproteinratioanddrymatterimprovedofGI，GIIareseparate2812％and1792％1462％and1

7、420％，1250％and1192％，574％and584％comparedwithG111ThemilkproductionandqualityofGIGIIaresuperthanGⅢAndGIisabitsuperthanGIIbutthere00significantdifferentbetweenGIandGII伊O05)GIhasasignificanteffectonpreventandCUresubclinicalmas