ExperienceswithdevelopingacommercialsolutiontoJohne’scontrolintheUK

PeterOrpin*1,2,RichardJ.Sibley31ParkVetGroup,Whetstone,Leicestershire,2SpecialLecturer,

NottinghamUniversity,Nottingham,UnitedKingdom,3Westridge VeterinaryGroup,Witheridge,Tiverton

pete.orpin@myhealthyherd.com

RisingincidenceinUK2000-2010Riskofspreadwithinandbetweenherdsincreasedwithconsolidation,expansionandintensificationofherds

IncreasingunderstandingofeconomiceffectsinpreclinicalphaseIncreasingcauseofcullinglosses(directandindirect)

Pyramidofinfectionandshedding

Myhealthyherdcopyright08/08/2016

Clinicalcowsarethedistraction!

Economiclossesappearhere

EconomicconsequencesofJohne’s

Direct

Indirect

Consequentiallosses

Prematureculling,milklosses,treatments

Increasedriskofudderdisease

Retentionofhighriskcowswithlowereconomicperformance

Increasedriskoflowerfertility,furtheremergencyculling,udderdiseaseandlameness

TheeconomiceffectsofJohne’sdiseaseDeathornovaluecullMilkproductionlossSlaughtervaluelossDiseaseassociationsPrematurecullTreatmentcosts

EmergencyorforcedcullMilkproductionlossSlaughtervaluelossDiseaseassociationsPrematurecull

PrematureplannedcullMilkproductionlossDiseaseassociationsPrematurecull

Cullcost£3406/case

Cullcost£2408/case

Cullcost£1304/case

DriversfortheJohne’sEngagementPlan

• FurtherimproveHealthandWelfare• Economicbenefitstotheproducers• ProvideframeworkforprocessorsandfarmerswishingtoprogressfurtherwithJohne’scontrolfortradingpurposes

• Demonstratetoconsumersthatanypotentialzoonoticthreatisbeinghandledresponsibly

Johne’sActionGroupandConferences

• 2010DairyUKheldanindustryconferenceonJohne’sdisease

• EstablishedJohne’sActionGrouptohelpco-ordinateJohne’scontrolinGBDairyherd

• Keymembers- Vets,processors,milkrecordingorganisations,farmersunions

08/08/2016 Myhealthyherdcopyright

LongTermObjectivesoftheJohne’sManagementPlan

“TocontrolandthenreducetheincidenceofJohne’sdiseaseindairycattlewiththelongtermobjectiveofeliminatingthediseaseifitbecomestechnicallyandeconomicallyfeasibletodoso”.

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

SorrytohearabouttheJohne’s

diagnosisNotaproblem,I’veculledher

already

“Johne’scontrolismorethanjustatestandcullprogram”

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

Myhealthyherdcopyright08/08/2016

UKJohne’sEngagementProgram

Education

Surveillance

RiskAssessment

Strategiccontrols

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RegionalControlSchemes

• TwomajorfundedregionalJDcontrolschemes2011-2014

• HealthyLivestock(SouthWest)• NorthWestRegionalDevelopment

• DeliveredusingMyhealthyherdascentraldatabase

Johne’sActionGroup- Keysuccesses

• CommonuseofIDEXXELISAforallmajormilkrecordingorganisations

• EstablishedacceptanceofmilkELISAanduseofthetargeted30cowscreenasatoolforinitialsurveillance

• Promotedengagementbetweencommercialpartners/processors

Johne’sActionGroup- Keysuccesses

• Retainedfocusonengagingfarmers ratherthansurveillance

• Avoidedclassificationofherdsbystatusaslikelytodisengageinfectedfarmers

• Educationofvetsandfarmerswithcommonmessages

• Engageallherdsnotjustinfected-protecttheuninfected

Avoidingthe“Focusontheurgent”

ClinicalCases Testpositivecows

RiskAssessmentsandstrategiccontrols• Encouragedastrategicapproach anddevelopedandendorsed6Johne’scontrolstrategies

• Ensuredriskassessmentandmanagementcentraltocontrol

• Farmspecificsolutionsbasedonaspirations,resources,prevalenceandrisks

04/07/2016 Myhealthyherdcopyright

FarmerandVetFriendlyapproaches

• OpenaccesstoJohne’sActionGroupbyparticipatingprocessors

• Effectivecommunicationbetweenstakeholders

• Avoidingonerousrules,legalities,testingburdens

• Facilitatevet- farmerengagement

First5yearsJDengagementprogram

• 300+meetingsto2500+farmersviamajormilkprocessors

• Over2200farmerscompletedriskassessmentsusingMyhealthyherd

• 350+vetseducatedinprinciplesofcontrol

• Annual/BiennialJohne’sconferencestoengageindustry

NationalJohne’sManagementPlan2015

• Strengthentheengagementprocess

• DevelopmentofActionJohne’swebsite

• Recruitmentofdeliveryteamtaskedtohelpcoordinatemessagesandactivities

• Developtechnicalmanual

NationalJohne’sManagementPlan- Phase1

• Developedin2015withspecifictargets

• 77%ofGBmilksupplysigneduptotheprogram

• CollationofresultsofengagementbyOctober2016

Collaborativeengagement

NationalJohne’sManagementPlanobjectivesPhase1(2010-2015)

Targets:• Farmerstodeterminetheirriskandstatus

• PutinplaceinconsultationwiththeirvetoneofthesixstrategiesdevelopedbytheActionGrouponJohne’sinconsultationwiththeirvet

LowPrevalenceLowerrisk

HighprevalenceHigherRisk

BiosecurityProtectandMonitor

ImprovedFarmManagement

IMFandsingleTest

RiskBasedControlandQuarterlymilktest

BreedtoTerminalSire

FirebreakVaccination

ImprovedFarmManagementandTestandCull

Myhealthyherdcopyright04/07/2016

NJMP-Phase2(2016+)

• BritishCattleVetAssociationdevelopedwebinarandonlineassessment tocreateagroupofapprovedtrainedvets

• Usethisgrouptomotivate,engageandensurerobustnessofplans

NJMPPhase2ObjectivesandPlans

• Consultationwithindustry withplanforveterinarysignoffofrobustveterinaryledcontrolplanbyBCVAtrainedvet

• Crediblevet/farmerinteractioncreatingarobustprotectionandcontrolplan

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

NationalJohne’sManagementPlan(NJMP)EngagementTimeline

NJMPPhase2– 2016- January2017+

Robustness+Compliance Trainedvets+signoffofplan

NJMPPhase1- 2015-October2016

RisksandStatus 6ControlStrategies

Johne’s Engagement2010-2014

Education RiskandStatus

Wherewewanttoendup?

• Farmerandindustrycommerciallydrivensolutions• Drivers forcontinuedengagement• Robustcontroldrivingdownprevalenceininfectedherds• Effectiveprotectionforlowprevalenceherds• Provideplatformofdecreasingprevalenceifamorestructuredprogramisrequiredinthefuture

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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