雨课堂学堂在线学堂云《Pig breeding and swine disease prevention and control（黑龙江农业经济职业学院）》单元测试考核答案

Pigbreedingandswinediseasepreventionandcontrol第1题Ifstressreactionssuchas"shortnessofbreath,restlessness,andrefusaltoeat"occurduringthetransferofheavysowstothefarrowingroom,thecorrecttreatmentmeasuresare()AImmediatelymixitwithothersowstorelievestressthroughgroupsoothingBPlacedaloneinaquietdeliverybed,providedwithcleandrinkingwater,andvitaminCinjectionstorelievestressifnecessaryCForciblyfixthesowtospeedupthetransferprocessandavoidprolongingthestresstimeDIgnorethestressresponseandreturntonormalafteradaptingtotheenvironmentonitsown第2题Inthephysicalconditionassessmentofpregnantsows,ifitisfoundthat"thedorsalvertebraeandribsareclearlyprotruding,withoutfatcovering,andthetailbaseisobviouslysunken",thecorrespondingbodyconditionscoreis(),andthefeedingplanneedstobeadjustedimmediatelyA1.5-2.0points(thin)B2.5-3.0(moderate)C3.5-4.0points(overweight)D4.0orabove(overweight)第3题Inthefeedingprocessofpregnantsows,thekeyoperationof"lategestation(90daystodelivery)"is()tomeettheneedsofrapidfetalgrowthAReducetheamountoffeedingtoavoidsowobesityBFeedonlyduringthedayandstopfeedingatnightCUselow-energyfeedtocontrolbodyconditionDGraduallyincreasethefeedingamount,from2.5kg/dayto3.5kg/day第4题Accordingtothe"TechnicalSpecificationfortheProductionofLarge-scalePigFarms",beforethesowsenterthefarrowingroom,theenvironmentaltemperatureofthefarrowingroomshouldbeadjustedto()inadvance,whichmeetstheneedsofsowfarrowingandpigletinsulationA16-18℃B18-20℃C20-22℃D22-24°C第5题Thecorefeedinggoalofgilts(6-8monthsold,beforeadaptation)is(),whichlaysthefoundationforsubsequentreproductiveperformanceAQuicklyincreaseweightandreachtheslaughterstandardassoonaspossibleBControlbodyconditionscoreof3.0-3.5pointstopromotereproductivesystemdevelopmentCMaximizefeedconversionandreducebreedingcostsDIncreasemusclecontentandimproveleanmeatrate第6题Whencleaninganddisinfectingthesurfaceofthedeliveryroom,thepreferredtypeofdisinfectantis()AHighconcentrationchlorine-containingdisinfectant(>1000mg/L)BPeraceticacidsolution(>5%)CAldehydedisinfectants(suchasformaldehyde)DMediumandlowconcentrationchlorine-containingdisinfectants(about500mg/L)orcompoundquaternaryammoniumsaltdisinfectants[Analysis]:High-concentrationdisinfectants(suchasoptionsAandB)arehighlycorrosive,easilydamagingthesurfaceofdeliveryroomequipmentandirritatinghumanmucosa.Aldehydedisinfectants(optionC)arehighlytoxicandnotsuitableformanneddeliveryroomenvironments.Mediumandlowconcentrationchlorine-containingdisinfectantsorcompoundquaternaryammoniumsaltdisinfectants(optionD)cannotonlyeffectivelykillcommonpathogens,butalsohavesafetyandapplicability,andmeettherequirementsofdeliveryroomdisinfection.第7题Thecorefunctionoftheairpurificationsysteminthedeliveryroomistocontrol()intheairtoreducetheriskofinfectionbetweenmotherandchildATemperatureandhumidityBMicrobialpopulationanddustparticlesCCO₂concentrationandodorDAirflowspeedanddirection第8题Aftertheheavyfetalsowistransferredtothefarrowingroom,thecoreindicatorsthatneedtobe"monitoreddaily"include()todetectabnormalitiesintimeAMentalstate(whetherthereisdrowsiness,irritability,abnormalstanding,etc.)BFeedingandwaterintake(whetherthereareabnormalitiessuchasdecreasedfeedintakeandrefusaltodrink)CBodytemperature(normalrange38.5-39.5°C,elevatedmayindicateinfection)DBreastcondition(whethertherearemastitissymptomssuchasredness,swelling,fever,andabnormalmilk)第9题The"productionproblems"thatareeasytocausewithahighsowbodyconditionscore(>4.0points)include()APregnantsows:increasedprobabilityofdystociaanddecreasedfetalsurvivalBLactatingsows:decreasedfeedintakeandinsufficientlactationCEmptysows:theintervalfromweaningtoestrusisprolonged,andthebreedingconceptionrateisreducedDgilts:delayedfirstestrusandabnormalovariandevelopment第10题The"keyfactors"thataffecttheimplementationofthesowfeedingprocessare()ARegularityoffeedingtime(feedingatafixedtimeeveryday,withanerrorofnomorethan30minutes)BGlossofthesow'scoatcolor(notdirectlyrelatedtotheimplementationeffectofthefeedingprocess)CUniformityoffeedfeeding(avoidoverfeedingandunderfeedinginsomesows)DCleanlinessofthefeedtroughafterfeeding(cleanuptheresidualfeedintimetopreventmildewandcontamination)第11题Whenpreparingthedeliveryroom,the"materiallist"thatneedstobepreparedinadvanceincludes()AChildbirthaids:disposablegloves,midwiferyshears,sterilizedcottonballs,hemostatsBPigletcareproducts:colostrum,thermalpads,umbilicalcord,pigletidentificationcardCCleaningsupplies:ordinaryhouseholdbroomsandmops,nospecialdisinfectiontoolsarerequiredDEmergencymedicines:oxytocin,hemostaticdrugs,disinfectants(suchasiodophor,chlorine-containingdisinfectants)第12题Feedinggoalsandnutritionalrequirementsofpregnantsowsinthelategestationperiod(90daysafterbreedingtofarrowing)include()AIncreaseenergyandproteinintake(3.0-3.5kg/day)tomeettherapidgrowthneedsofthefetusBSupplementcalciumandphosphorus(calcium≥0.85%,phosphorus≥0.7%)topromotefetalbonedevelopmentandsowmammaryglanddevelopmentCReducevitaminintaketoavoiddystociacausedbyexcessivefetaldevelopmentDControlbodyconditionscoreof3.5-4.0pointstoreservenutrientsforlactation第13题Intheemergencyenvironmentmanagementofthedeliveryroom,themeasurestobetakenfor"suddeninfection"(suchasoutbreaksofherpesinthematernalgenitaltract)are()AImmediatelyintensivelydisinfectthecontaminatedarea(e.g.,wipewith1000mg/Lchlorine-containingdisinfectant)BSuspendthedeliveryroomtoacceptnewmothersuntilthedisinfectioneffectisevaluatedCHealthmonitoringandmedicalobservationofclosecontactsDTracethesourceofinfection,investigateloopholesinthedisinfectionprocessandrectifythem第14题Aftertheheavybirthsowistransferredtothefarrowingroom,itisnecessarytocheckthegapofthemanureleakageboardinthefarrowingbedeverydaytoensurethatthegapis1.5-2cmtoavoidthepigletsleakingintothegapandbeingcrushed.()第15题Whenheavysowsaretransferredtothefarrowingroom,inordertoimproveefficiency,multipleestrussowscanbetransferredtothesamefarrowingroomatthesametimeforcentralizedmanagement.()第16题Thesowconditionassessmentonlyneedstobecarriedoutduringthegestationstage,andthereisnoneedtopayattentiontothechangesinbodyconditionduringthelactationperiodandtheemptypregnancyperiod.()第17题Inthesowfeedingprocess,allphysiologicalstagescanadoptthe"freefeeding"method,andthereisnoneedtoadjustthefeedingamountaccordingtothestage.()第18题Whenpreparingthesowfarrowingroom,thesizeofthegapinthemanureleakageboarddoesnotneedtobestrictlycontrolled,aslongasthemanurecanbeleaked.()第19题Pregnantsowsshouldadoptthe"freefeeding"methodthroughoutthegestationperiodtoensurethatthefetusreceivesadequatenutrition.()第20题Duringtheisolationperiodofgilts,inordertoreducestress,theycanbemixedwithasmallnumberofhealthyfatteningpigsinthisfarmtohelpthemadapttotheenvironment.()第21题The"airpurificationsystem"canbereplacedby"naturalventilation"inthedeliveryroom,aslongasthewindowsareopenedforventilationtwiceaday,itcanmeettheairqualitymanagementrequirements.()第22题Aftertheheavyfetussowistransferredtothefarrowingroom,ifitisfoundthatthereis"rednessandswellingofthepubicgateandabnormaldischarge____",itisnecessarytoimmediatelyisolateandobserve,andcollectsecretionsamplesfortestingtocheckwhetherthereis____.第23题Thebodyconditionassessmentofpregnantsowsshouldbe"onceevery2weeks",andifthebodyconditionscoredecreasesbymorethan____,thedailyfeedingamountshouldbeincreasedimmediately(usually0.3-0.5kg).第24题Inthesowfeedingprocess,"troughcleaning"shouldfollowthefrequencyof"cleaning1timeevery2feedings",andaftercleaning,itshouldbedriedwith(____)anddriedtoavoiddisinfectantresiduescontaminatingthefeed.第25题Thefeedinggoalofpregnantsowsinthesecondtrimesterofpregnancy____istomaintainstablebodycondition,andtheaveragedailyfeedintakeshouldbecontrolledat(_2.5-3.0kg_)toavoidexcessivefluctuationsinbodycondition.第1题Ifasuspectedcaseofhaemophilusinpigsisfoundinthefarm(suchasfever,dyspnea,jointswelling,fibrinouspleurisy)inpiglets,thecorrecttreatmentmeasuresare()AMixsickpigswithhealthypigstofacilitateunifiedobservationoftheconditionBUseantiviraldrugsforself-treatment,noneedtosendfortestingCImmediatelyisolatethesickpigs,collectsamplesoflungandjointfluidfortesting,strengthendisinfectionofcontaminatedareasandreporttolocalanimaldiseasepreventionandcontrolagenciesDDirectlytreatsickpigsharmlessly,withouttracingthesourceofinfection第2题Ifasuspectedcaseofsalmonellaisfoundinthefarm(suchasdiarrheainpiglets,bloodinfeces,andbodytemperaturerisesto40-41°C),thecorrectdisposalmeasuresare()AMixsickpigswithhealthypigstofacilitateunifiedfeedingofdrugsBUseantiviraldrugsforself-treatment,noneedtosendfortestingCImmediatelyisolatesickpigs,collectfecesandbloodsamplesfortesting,strengthendisinfectionofcontaminatedareasandreporttolocalanimaldiseasepreventionandcontrolagenciesDDirectlytreatsickpigsharmlessly,withouttracingthesourceofinfection第3题Inthepreventionandcontrolofpigletdysentery,thekeymeasureto"reducehorizontaltransmission"is()toreducetheconcentrationofpathogensintheenvironmentAOnlyoralantibioticsforpiglets,donottreatthebreedingenvironmentBRegularlycleananddisinfectpigletactivityareas,troughsanddrinkingfountains,andcleanupfecesintimeCOnlyletthepigletseatfreely,anddonotcontrolthenutritionalcontentofthefeedDOnlyvaccinatesows,donotpayattentiontopigletfeedingmanagement第4题Accordingtothe"TechnicalSpecificationsforthePreventionandControlofYellowDysenteryinPiglets",themainsusceptiblegroupofyellowdysenteryinpigletsis(),whichisthekeyprotectionobjectforpreventionandcontrolANurserypigletsover10daysofageBNewbornpigletsfrom1-7daysofage(especially1-3daysofage)CPiglets1-2weeksafterweaningDHeavysowsinthethirdtrimesterofpregnancy第5题Thecoregoalofpigletexudativedermatitispreventionandcontrolis()toreducetheimpactofthediseaseonthesurvivalandgrowthanddevelopmentofpigletsABlockthespreadofpathogencontact,protecttheskinbarrierofpiglets,treatsickpigsintime,andreduceskininfectionandsystemiclesionsBNoneedtopayattentiontothepigletrearingenvironmentonlybyregularsprayingofskindisinfectantsCFocusonthetreatmentofsickpigsandignorethepreventionandprotectionofhealthypigletsDPreventionandcontrolonlyduringtheepidemicperiod,andnormalizedmanagementisnotcarriedoutonadailybasis第6题Ifasuspectedcaseofinfectiousatrophicrhinitisinpigsisfoundinthefarm(suchaspigletsneezing,nasalcongestion,nasalmucosalbleeding,turbinateatrophyleadingtofacialdeformation),thecorrectdisposalmeasuresare()AMixsickpigswithhealthypigstofacilitateunifiedobservationoftheconditionBUseantiviraldrugsforself-treatment,noneedtosendfortestingCImmediatelyisolatethesickpigs,collectnasalsecretionsamplesfortesting,strengthendisinfectionofthecontaminatedareaandreporttothelocalanimaldiseasepreventionandcontrolagencyDDirectlytreatsickpigsharmlessly,withouttracingthesourceofinfection第7题Accordingtothe"TechnicalSpecificationsforthePreventionandControlofSwineErysipelas",themainsusceptiblegroupofswineerysipelasis(),whichisthekeyprotectionobjectofpreventionandcontrolALactatingpigletsunder1monthofageB3-12monthsoldshelfpigsandfatteningpigsCHeavysowsinthethirdtrimesterofpregnancyDAdultbreedingboar第8题Thecoregoalofswinestreptococcosispreventionandcontrolis()toreducetheriskofdiseasetransmissionandbreedinglossesACutoffthetransmissionroute,improvetheimmunityofthepigs,dealwithsickpigsintime,andreducetheincidenceanddeathofpigsBAchieve100%immuneprotectionoftheherdthroughvaccinationonlyCUseantibioticsregularlytoinhibitthereproductionofpathogensDFocusonthetreatmentofsickpigs,anddonotneedtopayattentiontothepreventionandcontrolofhealthypigs第9题Inthepreventionandcontrolofparaswinehaemophilus,"environmentaldisinfectionandbiosecuritymeasures"include()tocompletelyeliminatepathogensAFloorandwallofthenursery(height≥2meters):Spraywith1000mg/Lchlorine-containingdisinfectantonceadayfor14consecutivedaysBVentilationequipment(fans,watercurtains):Use2%peraceticacidsolutionspraydisinfectioneverymonthtoavoidthespreadofpathogensthroughairflowCEntranceofforeignvehicles:Afterthewheeldisinfectiontank(3%sodiumhydroxidesolution)andbodyspraydisinfection,letitstandfor30minutesbeforeenteringDBreedingpersonneloperation:Aftertouchingsickpigs,theyneedtodisinfecttheirhandswith0.5%iodophorandchangetheirworkclothesbeforetheycancontacthealthypigs第10题Pigletdysentery"Keypointsoftreatmentforsickpigs"include(),improvetreatmenteffectandreducedrugsideeffectsASelectsensitiveantibioticsaccordingtotheresultsofdrugsusceptibilitytest(suchasgentamicinsulfate,norfloxacin,thedoseisdeterminedstrictlyaccordingtobodyweight)BForrapidcure,acombinationofantibioticscanbeusedCCombinedwithoralrehydrationsalts(8-12mLperkgbodyweight,dividedintosmalldoses)topreventpigletdehydrationandelectrolytedisordersDDuringthetreatment,closelyobservethementalstate,appetiteandfecesofthepiglets,andadjustthetreatmentplanintime第11题Inthepreventionandcontrolofjaundiceinpiglets,"postpartumpreventivemeasuresfornewbornpiglets"include()toenhancetheintestinalresistanceofpigletsAOraladministrationofprobiotics(suchasBacillussubtilispreparations)within1hourofpigletstoestablishthedominantintestinalfloraBWipethemucusonthebodysurfacewithacleantowelimmediatelyafterthepigletisborntoavoidcoldstressCPigletsdonotneedtofixtheirnipplesafterbirth,allowingthemtosucklefreelyDWipethenippleswith0.05%detoxinitysolutiondailywithin3daysafterthepigletsareborntoreducenipplecontamination第12题Inthepreventionandcontrolofinfectiousatrophicrhinitisinpigs,"dailymonitoringandriskcontrolmeasures"include()todetecthiddendangersoftheepidemicinatimelymannerAObservethefeedingandbreathingstatusofpigseveryday,andfocusonrecordingthefrequencyandseverityofpigletsneezingandnasalcongestionBMonthlysamplingandtestingofnasalsecretionsofnurserypigstocheckforpathogencarryingCRegularlycheckthefacialmorphologyofthepigs,andimmediatelymarkandisolatethefacialdeformationcausedbyturbinateatrophy(suchascrookednoseandshortnose).DEstablishbreedingfilestorecordimmunization,disinfection,onsetandtreatment,soastofacilitatetraceabilityandreview第13题Swineinfectiousgastroenteritis"Principlesoftreatmentandcareofsickpigs"include()toimprovethecurerateAOralrehydrationsalt(5-10mLperkgofbodyweight,smallamountofmultiplefeedings)tosickpigletstopreventdehydrationandelectrolytedisordersBInordertoquicklycontrolthedisease,thedoseofantiviraldrugscanbeincreasedatwillCUseintestinalmucosalprotectors(suchasmontmorillonitepowder)toreducethedamagecausedbyvirusestotheintestinesDPerformperitonealrehydration(5%glucosesaline)oncriticallyillpigletstoreplenishenergyandwater第14题Inthepreventionandcontrolofporcineerysipelas,thekeymeasuresof"feedingmanagementoptimization"are()toreducethesusceptibilityofpigsAControlthefeedingdensity(0.6-0.8㎡/headforshelfpigs,1.0-1.2㎡/headforfatteningpigs)toavoidovercrowdingBAddastragaluspolysaccharides,vitaminEandotherimmuneenhancerstothefeedtoimprovetheresistanceofthepigherdCAdjustthefeedformulafrequentlytoavoidfeedingfatigueinthepigherdDRegularlycleanthemanureandsewageofthepighouse,strengthenventilation,andreducethehumidityinthehouse(controlledat60%-70%)第15题Inthepreventionandcontrolofstreptococcosisinpigs,thecorecontentof"biosecuritymeasures"includes()tobuildabasicpreventionandcontrolbarrierAAdisinfectiontank(containing2%sodiumhydroxidesolution,changedtwiceaweek)andanultravioletdisinfectionroomaresetupattheentranceofthefarmBForeignvehiclesneedtobedisinfectedbywheelsandsprayeddisinfection,andpersonnelneedtochangeclothes,changeshoes,anddisinfectbeforeenteringCItisprohibitedtointroducebreedingpigsfromepidemicareas,andnewlyintroducedpigsonlyneedtobequarantinedandobservedfor30days,andcanonlybemixedafterpassingthetestDOtherlivestock(suchascattleandsheep)canberaisedinthefarmtoenrichthebreedingstructure第16题Inthepreventionandcontrolofporcineproliferativeenteritis,"biosecurityanddisinfectionmeasures"include()tocompletelyremovethepathogenAPighousefloorandmanureleakageboard:Spraywith2000mg/Lchlorine-containingdisinfectantonceadayfor14consecutivedaysBManuretreatment:Compostfermentation(temperature≥55°Cfor7days)tokillintracellularLawsoniasporesinfecesCTransportvehicles:Aftertransportingsickpigs,spraydisinfectwith3%sodiumhydroxidesolutionandletstandfor2hoursbeforeuseDBreedingpersonneloperation:Disinfecthandswith0.5%iodophoraftercontactwithsickpigs,andchangeworkclothesbeforecontactinghealthypigs第17题Duringtheepidemicofparaswinehaemophilus,nurseryhousesshouldavoidfrequentcleaningtopreventthespreadofpathogenscausedbydust.()第18题Pigletyellowdysenterymainlycontaminatesthenipples,feed,anddrinkingwaterthroughsowfeces,andistransmittedthroughthedigestivetractofpiglets,soitisnecessarytofocusondisinfectionofthesow'sbodysurfaceandfarrowingroomenvironment.()第19题Clostridiumperfringensisaresidentbacteriaintheintestine,andwhentheintestinalfloraofpigsisimbalanced,feedmildeworstress,itiseasytomultiplyinlargenumbersandproducetoxinstocausediseases,sopreventionandcontrolneedstofocusonmaintainingintestinalhealthandreducingstress.()第20题Porcineinfectiousgastroenteritisvirusishighlyresistanttotheenvironmentandcansurviveforseveralmonthsatlowtemperatures(0-4°C),soitisnecessarytostrengthenthefrequencyandintensityofdisinfectioninwinter.()第21题Streptococcosisinpigsonlyinfectspigsandwillnotcauseharmtopeople,andfarmpersonneldonotneedtodopersonalprotection.()第22题Aftertheheavyfetussowistransferredtothefarrowingroom,ifitisfoundthatthereis"rednessandswellingofthepubicgateandabnormaldischarge____",itisnecessarytoimmediatelyisolateandobserve,andcollectsecretionsamplesfortestingtocheckwhetherthereis____.第23题Inthesowfeedingprocess,"feedreplacement"shouldfollowtheprincipleof"gradualreplacement",andthenewfeedandtheoldfeedshouldbegraduallytransitionedaccordingtotheratioof"3:7→5:5→7:3",andthewholereplacementprocessshouldnotbelessthan(____)toreducegastrointestinalstress.第24题Thefeedinggoalofgiltsbeforethefirstestrusperiod____istopromoteboneandbodydevelopment,andtheaveragedailyfeedintakeshouldbecontrolledat(_2.0-2.3kg)_toavoidprematurerestrictionofnutritionandaffectgrowth.第25题Thefeedingdensityofgiltsshouldbecontrolledat____toavoidstressanddiseasespreadcausedbyexcessivedensity.Chapter3:Homework第1题Ifasuspectedcaseofporcineparvovirusdiseaseisfoundinthefarm(suchassowmiscarriage,mummifiedfetus,weaklitter,andreproductivedisordersinthesamegroupofsows),thecorrecttreatmentmeasuresare()AMixsicksowswithhealthysowstofacilitateunifiedobservationoftheconditionBSelf-useofantibiotictreatmenttorelievemiscarriagesymptomsCImmediatelyisolatesicksows,collectserumandfetaltissuesamplesfortesting,strengthendisinfectionofcontaminateddeliveryroomsandreporttolocalanimaldiseasepreventionandcontrolagenciesDFeedantipyreticstothesamegroupofsowstopreventthespreadoftheepidemic第2题Inthepreventionandcontrolofporcinepseudorabies,thekeymeasureof"blockingtheverticaltransmissionofthevirus"is()toreducetheriskofcongenitalinfectioninpigletsAOnlyinjecthigh-exemptionserumintonewbornpiglets,noneedtotreatsowsBVaccinateonlyafterthepigletsareborn,anddonotpayattentiontotheviruscarryingofsowsCOnlydisinfecttheenvironmentofthefarrowingroom,anddonotcontrolthedetoxificationofsowsDSowsshouldbevaccinatedwithinactivatedvaccinesbeforebreedingandinthethirdtrimesterofpregnancy,andvirusantibodiesanddetoxificationshouldbetestedregularly第3题Thecoregoalofswineblisterdiseasepreventionandcontrolis(),toreducethedamageofthediseasetothehealthofpighooves,andtoavoidconfusionwithpigfoot-and-mouthdiseaseleadingtoimproperpreventionandcontrolABlockthecontactofpathogenswiththespreadofthedigestivetract,establishanimmunebarrier,accuratelydifferentiateanddiagnose,andreducetheformationofblistersandlamenessinpigsBByregularantibioticadministrationonlywithoutconcernforpathogenidentificationCFocusonthetreatmentofsickpigsandignorethepreventionandprotectionofhealthypigsDPreventionandcontrolonlyinthespringandautumnseasonswhentheincidenceofepidemicsishigh,andnormalizedmanagementisnotcarriedoutinotherseasons第4题Inthepreventionandcontrolofepidemicdiarrheainpigs,thekeymeasureof"blockingthespreadofpathogensinthedigestivetract"is()toreducetheriskofinfectionAUseintestinalmucosalprotectorsonlyonsickpigs,withouttreatingthebreedingenvironmentBOnlyimprovefeednutrition,donotcontroldrinkingwaterandfeedhygieneCOnlydisinfectthefloorofthepighouse,anddonotpayattentiontothepreventionandcontroloffecalpollutionDEnsurethatthefeedanddrinkingwaterareclean(toavoidcontaminationbythefecesofsickpigs),implementall-inandall-outfeeding,andnewbornpigletsingestcolostrumassoonaspossible第5题Thecoregoalofpigreproductiveandrespiratorysyndrome(blueeardisease)preventionandcontrolis()toreducetheimpactofthediseaseonthereproductiveperformanceandrespiratoryhealthofpigsAControlthespreadofthevirus,enhancethespecificimmunityofpigs,reducereproductivedisordersandrespiratorydiseases,andreducemorbidityandmortalityBByfeedingantibioticsonlyonaregularbasis,thereisnoneedtopayattentiontotheimmunestatusoftheherdCFocusonthetreatmentofsickpigsandignorethepreventionandprotectionofhealthypigsDPreventionandcontrolonlyduringthehighincidenceperiodofspringepidemics,andnormalmanagementisnotcarriedoutinotherseasons第6题ThecoregoalofAfricanswinefeverpreventionandcontrolis()topreventtheintroductionandspreadofdiseasesandensurethesafetyofthepigindustryABuildafull-chainbiosecuritybarrier,blockthetransmissionrouteofpathogens,anddisposeofpositivepigsinatimelymanner,soastoachieve"earlydetection,earlyreporting,earlydisposal,andearlyextinguishing"BAchievepigimmunityprotectiononlythroughvaccinationCFocusontheharmlesstreatmentofsickanddeadpigs,ignoringsourcepreventionandcontrolDDisinfectonlyaftertheoutbreakoftheepidemic,anddonotcarryoutnormalizedpreventionandcontrolonadailybasis第7题Inthepreventionandcontrolofswinefever,"dailymonitoringandmanagementmeasures"include()todetecthiddendangersoftheepidemicinatimelymannerAObservethementalstate,feedintake,fecalcharacteristicsandskinconditionsofthepigseveryday,andrecordtheinformationofabnormalpigsBMonthlysamplingandtestingofswinefeverantibodylevels,andtimelyexemptionforpigswithunqualifiedantibodiesCRegularlydisinfectthefloor,walls,andutensilsofthepighouse,atleasttwiceaweek,anduseeffectivedisinfectants(suchaschlorine-containingdisinfectants,sodiumhydroxidesolutions)DEstablishacompletebreedingfiletorecordpigintroduction,immunization,testing,onset,medicationandotherinformation,andkeepitforatleast2years第8题Inthepreventionandcontrolofporcinepseudorabies,"feedingmanagementandenvironmentalcontrolmeasures"()reducethesusceptibilityofpigsAImplementtheall-in-all-outfeedingmodetoavoidmixedbreedingofpigsofdifferentages,especiallyprohibitingpigletsfrombeingraisedinthesamehouseasadultpigsBControlthefeedingdensityofthenursery(0.3-0.4㎡/head),keepgoodventilation,andcontroltheammoniaconcentrationat≤15ppmCFrequentherdtransferandmixingtoenhancetheresistanceofpigstovirusesDItisforbiddentoraisedogs,catsandotherpseudorabiessusceptibleanimalstopreventthemfromcarryingthevirusintopigfarms第9题Inthepreventionandcontrolofporcineblisterdisease,"biosecurityanddisinfectionmeasures"include()tocompletelyeliminatethepathogenAPighousefloorandmanureleakageboard:Spraywith2000mg/Lchlorine-containingdisinfectantonceadayfor14consecutivedaystoremovetheresidualpathogensofblisterfluidBBlisterliquidcontaminatedarea:use3%sodiumhydroxidesolutiontowipeanddisinfect,andrinsewithcleanwaterafter2hoursofactiontoavoidcorrosi