李曼养猪大会.pdf

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1、HealthandManagementStrategyOpportunitiesforChinaProducers健康与管理策略–中国养猪生产者的机遇LemanChinaSwineConference李曼中国养猪大会October13,20132013年10月13日JosephF.Connor,D.V.M.,M.S.乔·康纳博士CarthageVeterinaryService,Ltd.迦太基兽医服务有限公司POBox220邮政信箱220Carthage,IL62321迦太基，伊利诺州62321McREBEL™米克瑞拜尔•Management管理•Chan

2、gesto变化•Reduce减少•Exposureto暴露•Bacteriato细菌•Eliminate消除•LossesfromPRRSPRRS导致的损失–McCawMB.McREBEL™PRRS:ManagementProceduresforPRRSControlinLargeHerdNurseries.ProcAllenD.LemanSwineConference.1995;161-162.Cano,JeanPaul.2012.BiosecurityTraining:preventingtheintroductionandspreadofdiseas

3、esinpigfarms2McREBELHealthy健康PRRS猪蓝耳病3McREBELPrinciples原理•PigletscouldbecomeinfectedwithPRRSvirusinutero仔猪可能在子宫内感染PRRS病毒(Terpstraetal.,1991)•PRRSvirusinfectionalonedidnotkillpiglets单纯的PRRS病毒感染不会导致仔猪死亡(Halburetal.,1996)Principles原理McCaw,M.2003.McREBELManagement.2003PRRSCompendium

4、4McREBELPrinciples原理•PRRSaffectedpigletswereusuallyinfectedwithatleastoneofavarietyofpossiblesecondarybacterialinfectionPRRS感染的仔猪通常伴有至少一种可能的继发性细菌感染(DoneandPaton,1995;Stevensonetal.,1993)–PreweaningmortalityandmanyofthesignsofdiseaseduringPRRSoutbreaksresultedfromsecondarybacteria

5、linfectionsinPRRSvirus-infectedpiglets猪蓝耳病暴发期间断奶前死亡率和许多疾病征象都是由PRRS病毒感染仔猪的继发性细菌感染导致的Principles原理5McREBELPrinciples原理•Pigletswerebornnearlybacteria-free,asextrapolatedfromthesuccessofcaesareansectionforcreatingspecificpathogenfree(SPF)breedingstock从剖腹产成功建立无特定病原（SPF）种畜推断，新出生仔猪几乎为无菌(

6、TwiehausandUnderhaul,1970)Principles原理6McREBELPrinciples原理•PigletsarebornessentiallyfullofbacteriaexceptStrepsuis除猪链球菌，仔猪出生时基本全身都带菌•PRRSvgenerallydoesnotkillcesareanderivedcolostrumdeprivedpigletschallengedwiththevirusPRRS病毒攻毒一般不会对剖腹产和缺乏初乳的仔猪致死•Majorityofclinicalsignsandmortality

7、infieldcasesistheresultofsecondarybacterialinfections多数猪场病例的临床征象和死亡率是继发细菌感染导致的Principles原理7McREBEL•ControlmortalityinsucklingandnurserypigsduringacuteoutbreaksofPRRS在PRRS急性暴发时对哺乳仔猪和保育猪死亡率的控制8PigletManagement仔猪管理CrossFostering寄养•Objective目标–Maximizethenumberofpigletsremainingonthe

8、irbirthmother让留在亲生母亲身上的仔猪的数量最大–Ma