EIP-AGRI Workshop ‘Biosecurity at farm level: challenges for innovation · 2015-01-30 · Why...
Transcript of EIP-AGRI Workshop ‘Biosecurity at farm level: challenges for innovation · 2015-01-30 · Why...
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EIP-AGRI Workshop ‘Biosecurity at farm level: challenges for innovation’22-23 January 2015 – Brussels, Belgium
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Biosecurity for Meat Chickens
D B Pearson BVSc MRCVS
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Outline
• Background to Biosecurity in Poultry
• What do we mean by biosecurity – elements of biosecurity
• Example of an initiative– Salmonella enteritidis -National Control Plan – Zoonoses
Regulation
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Why have biosecurity for poultry• Better Performance and better financial return
(General Disease control)– Respiratory diseases e.g. Infectious bronchitis and Mycoplasma – Coccidiosis– Gumboro– Runting and stunting (mixture of enteric viruses)
• Control Notifiable Disease – Avian Influenza– Newcastle Disease
• Control of human pathogens – Salmonella (S enteritidis)– Campylobacter
• Compartmentalisation - trade– Disease control and disease assurance
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Elements of Biosecurity
• Keep Disease out– Vertical transmission– Feed, water, litter– Barriers: gates; foot dips; clothing and footwear changes– Housing Vs Free Range
• Prevent Spread– Personnel movements– Stock movements– Catching and collection– Single age
• Remove– General diseases– Turn round / cleaning and disinfection
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Elements of Biosecurity
• Know how the disease you are controlling is spread between flocks and how it survives in different environments
• Examples– Gumboro disease (faeces and indirect contact)
– Mycoplasma – very direct contact with an infected bird
– Salmonella – vertical transmission, hatchery contamination (chick) and feed
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Salmonella enteritidis control
• Zoonoses Directive implemented into National Control Plan (NCP)
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Salmonella enteritidis control
• Zoonoses Directive implemented into National Control Plan (NCP)
• Vertical transmission – breeding stock free of Salmonella
• Rodent control• Farm cleaning and hygiene• Feed – reduce loading, heat treatment and reduce
cross contamination
• At the broiler level preventing spread into and between houses is not critical
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Salmonella enteritidis control - delivery
• Assurance Scheme – Assured Chicken Production (now Red Tractor Farm Assurance)
• Codes of Practice covering biosecurity
• Role of integrators
• Measurement – swabbing programme
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Old broiler farm with Windows
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Uphouse Farm 12
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Uphouse Farm 13
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Uphouse Farm 14
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Uphouse Farm 15
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Uphouse Farm 16
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Locked gates
Farm signs– Stop
Vehicles Disinfecting
Model FarmLocked gates & Farm signs– Stop, no admittance & Vehicles
Disinfecting
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Locked gates
Farm signs– Stop
Vehicles Disinfecting
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Biosecurity Barrier – Research facility
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Summary
• Clear goal – what pathogens are you trying to keep out of your stock
• Design the protocols so they are targeted and practical
• Have some means of communicating and checking compliance – assurance schemes
• RTFA Chickens
• Ideally measure success