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ExperienceswithdevelopingacommercialsolutiontoJohne’scontrolintheUK
PeterOrpin*1,2,RichardJ.Sibley31ParkVetGroup,Whetstone,Leicestershire,2SpecialLecturer,
NottinghamUniversity,Nottingham,UnitedKingdom,3Westridge VeterinaryGroup,Witheridge,Tiverton
[email protected]
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RisingincidenceinUK2000-2010Riskofspreadwithinandbetweenherdsincreasedwithconsolidation,expansionandintensificationofherds
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IncreasingunderstandingofeconomiceffectsinpreclinicalphaseIncreasingcauseofcullinglosses(directandindirect)
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Pyramidofinfectionandshedding
Myhealthyherdcopyright08/08/2016
Clinicalcowsarethedistraction!
Economiclossesappearhere
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EconomicconsequencesofJohne’s
Direct
Indirect
Consequentiallosses
Prematureculling,milklosses,treatments
Increasedriskofudderdisease
Retentionofhighriskcowswithlowereconomicperformance
Increasedriskoflowerfertility,furtheremergencyculling,udderdiseaseandlameness
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TheeconomiceffectsofJohne’sdiseaseDeathornovaluecullMilkproductionlossSlaughtervaluelossDiseaseassociationsPrematurecullTreatmentcosts
EmergencyorforcedcullMilkproductionlossSlaughtervaluelossDiseaseassociationsPrematurecull
PrematureplannedcullMilkproductionlossDiseaseassociationsPrematurecull
Cullcost£3406/case
Cullcost£2408/case
Cullcost£1304/case
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DriversfortheJohne’sEngagementPlan
• FurtherimproveHealthandWelfare• Economicbenefitstotheproducers• ProvideframeworkforprocessorsandfarmerswishingtoprogressfurtherwithJohne’scontrolfortradingpurposes
• Demonstratetoconsumersthatanypotentialzoonoticthreatisbeinghandledresponsibly
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Johne’sActionGroupandConferences
• 2010DairyUKheldanindustryconferenceonJohne’sdisease
• EstablishedJohne’sActionGrouptohelpco-ordinateJohne’scontrolinGBDairyherd
• Keymembers- Vets,processors,milkrecordingorganisations,farmersunions
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08/08/2016 Myhealthyherdcopyright
LongTermObjectivesoftheJohne’sManagementPlan
“TocontrolandthenreducetheincidenceofJohne’sdiseaseindairycattlewiththelongtermobjectiveofeliminatingthediseaseifitbecomestechnicallyandeconomicallyfeasibletodoso”.
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Johne’sEngagementPlan
• Aimwastoengageall dairyfarmersineffectiveJohne’smanagementthatsuitedtheirfarm
• PredictandPreventJohne’sdisease- protecttheuninfectedherdsaswellasmanagetheinfectedherds
• Keypriority- “Removebarrierstoengagementandmotivatevetsandfarmers totakepositiveaction”
Orpin.P.G,SibleyR.J..PredictandPreventvsTestandTreat.(2014)VeterinaryRecord 174:403-405doi:10.1136/vr.g2749
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SorrytohearabouttheJohne’s
diagnosisNotaproblem,I’veculledher
already
“Johne’scontrolismorethanjustatestandcullprogram”
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Thekeyobjective:BreakingtheJohne’sCycle
Cow infects calf through milk, faeces or in utero
Calf becomes infected
Heifer enters herd as apparently healthy animal and gradually develops disease
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UKJohne’sEngagementProgram
Education
Surveillance
RiskAssessment
Strategiccontrols
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RegionalControlSchemes
• TwomajorfundedregionalJDcontrolschemes2011-2014
• HealthyLivestock(SouthWest)• NorthWestRegionalDevelopment
• DeliveredusingMyhealthyherdascentraldatabase
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Johne’sActionGroup- Keysuccesses
• CommonuseofIDEXXELISAforallmajormilkrecordingorganisations
• EstablishedacceptanceofmilkELISAanduseofthetargeted30cowscreenasatoolforinitialsurveillance
• Promotedengagementbetweencommercialpartners/processors
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Johne’sActionGroup- Keysuccesses
• Retainedfocusonengagingfarmers ratherthansurveillance
• Avoidedclassificationofherdsbystatusaslikelytodisengageinfectedfarmers
• Educationofvetsandfarmerswithcommonmessages
• Engageallherdsnotjustinfected-protecttheuninfected
Avoidingthe“Focusontheurgent”
ClinicalCases Testpositivecows
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RiskAssessmentsandstrategiccontrols• Encouragedastrategicapproach anddevelopedandendorsed6Johne’scontrolstrategies
• Ensuredriskassessmentandmanagementcentraltocontrol
• Farmspecificsolutionsbasedonaspirations,resources,prevalenceandrisks
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FarmerandVetFriendlyapproaches
• OpenaccesstoJohne’sActionGroupbyparticipatingprocessors
• Effectivecommunicationbetweenstakeholders
• Avoidingonerousrules,legalities,testingburdens
• Facilitatevet- farmerengagement
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First5yearsJDengagementprogram
• 300+meetingsto2500+farmersviamajormilkprocessors
• Over2200farmerscompletedriskassessmentsusingMyhealthyherd
• 350+vetseducatedinprinciplesofcontrol
• Annual/BiennialJohne’sconferencestoengageindustry
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NationalJohne’sManagementPlan2015
• Strengthentheengagementprocess
• DevelopmentofActionJohne’swebsite
• Recruitmentofdeliveryteamtaskedtohelpcoordinatemessagesandactivities
• Developtechnicalmanual
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NationalJohne’sManagementPlan- Phase1
• Developedin2015withspecifictargets
• 77%ofGBmilksupplysigneduptotheprogram
• CollationofresultsofengagementbyOctober2016
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Collaborativeengagement
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NationalJohne’sManagementPlanobjectivesPhase1(2010-2015)
Targets:• Farmerstodeterminetheirriskandstatus
• PutinplaceinconsultationwiththeirvetoneofthesixstrategiesdevelopedbytheActionGrouponJohne’sinconsultationwiththeirvet
LowPrevalenceLowerrisk
HighprevalenceHigherRisk
BiosecurityProtectandMonitor
ImprovedFarmManagement
IMFandsingleTest
RiskBasedControlandQuarterlymilktest
BreedtoTerminalSire
FirebreakVaccination
ImprovedFarmManagementandTestandCull
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NJMP-Phase2(2016+)
• BritishCattleVetAssociationdevelopedwebinarandonlineassessment tocreateagroupofapprovedtrainedvets
• Usethisgrouptomotivate,engageandensurerobustnessofplans
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NJMPPhase2ObjectivesandPlans
• Consultationwithindustry withplanforveterinarysignoffofrobustveterinaryledcontrolplanbyBCVAtrainedvet
• Crediblevet/farmerinteractioncreatingarobustprotectionandcontrolplan
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NJMPPhase2-Draftproposals• Developanagreedtimescaleforveterinarysignoffofplans
• Vetsandfarmersprovidedchoicesastowhattoolsandapproachestheyuse
• Robustmanagementplansapplied,farmerpaysforplan,processorencouragescompliance,NJMPprovidesstructure
2017• January2017• Vetreview risks,controlstrategy,signoff
2018• Annual Review• Review ofrisks/robustness/progress
2019• AnnualReview• Reviewofrisks/robustness/progress
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NationalJohne’sManagementPlan(NJMP)EngagementTimeline
NJMPPhase2– 2016- January2017+
Robustness+Compliance Trainedvets+signoffofplan
NJMPPhase1- 2015-October2016
RisksandStatus 6ControlStrategies
Johne’s Engagement2010-2014
Education RiskandStatus
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Wherewewanttoendup?
• Farmerandindustrycommerciallydrivensolutions• Drivers forcontinuedengagement• Robustcontroldrivingdownprevalenceininfectedherds• Effectiveprotectionforlowprevalenceherds• Provideplatformofdecreasingprevalenceifamorestructuredprogramisrequiredinthefuture
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References
www.myhealthyherd.comwww.actionjohnes.org
• OrpinP.G,SibleyR.J,Komorowski E(2012).AvoluntaryJohne'sengagementprogrammeinUKdairyherds3rd ParaTB Forum
• OrpinP.G,SibleyR.J.(2014)AReviewonProgresswithJohne'sEngagementPrograminUKDairyHerds.4th ParaTB forum
• Sibley.R.J,OrpinP.G(2016)TheNationalJohnes ManagementPlan:anationalprogrammeforthemanagementofparatuberculosis intheUKdairyherd.5th ParaTB Forum
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QuestionsQuestions