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Biosecurity
Protection from exposure to disease
What?
Why?
How?
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Biosecurity
A set of management practices whichwhen followed correctly reduce thepotential for the introduction and spread of
disease causing organisms onto, andbetween sites.
From the perspective of the animal ratherthan just the farm
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Disease Control
Methods
Vaccination
Medication
Biosecurity
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Biosecurity
Control of Management Diseases
Calf Pneumonia
Calf Scours
High cost to the industry worldwide
Mortality
Poor growth
PoorFeed conversion
Cost of Medication
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Biosecurity
Requirements of the Dairy Farm
Maintenance of stock health
Protecting the productionpotential
Protecting the quality of theproduct
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Maintain Standards in all areas
Cubicles
Calving Facilities
Calf rearing
Collection Area
Milking Parlour
Dairy
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TYPES OFDISINFECTION
Terminal
Continuous
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STAGE1REMOVAL & DRYCLEAN
Remove stock
Equipment
Bedding
Gross organic waste
Dust
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STAGE2CLEANING& SANITIZATION
Reducing infective material
Removal of dried on matter
Use a Detergent / Sanitizer
Allow to dry afterwards
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STAGE3AWATER SYSTEMS
Drainable
Drain
Clean
Disinfect
Flush
Non-Drainable
CleanSanitize
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STAGE3BREMOVABLEEQUIPMENT
Soak
Scrub / Pressure Wash
Detergent Sanitizer
Disinfect
Dry
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STAGE4DISINFECTION
To remove residual challenge
Use broad spectrum disinfectant
Cover all surfaces
Cover all cracks & crevices
Allow to dry.
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STAGE5AERIALDISINFECTION
Covers inaccessible areas
Replace movable equipment first.
Can be done after bedding is spread.
Fog / Fumigate
Safety required with formaqldehyde.
Rest period
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CONTINUOUSDISINFECTION
Control Access
Foot & Wheel Dips
Water Sanitization
Aerial Disinfection
Rodent Control
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Cattle Biosecurity
Calving
Clean the building of all organic debris
Pressure wash
Spray broad spectrum ddisinfectant
After each calving remove bedding,cleansing and discharges
Clean and disinfect Clean and disinfect buckets and utensils
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Cattle Biosecurity
Cow Cubicles
Control of Mastitis Pathogens
Regularly clear organic debris
Pressure wash with detergent sanitiser
Disinfect cleaned surfaces
Scrape central channel at least daily
Reguarly clean and disinfect equipmentand utensils
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Cattle Biosecurity
Collecting Area
Prevention of Mastitis
Disinfect after each cleaning
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Cattle Biosecurity
Milking Parlour and Dairy
High standards Practiced
Use broad spectrum disinfectants aftercleaning in the parlour
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Cattle Biosecurity
Care of housed calves
Pneumonia and scours cost the industryvast sums
Effective hygiene can prevent these twodiseases
Situation similar to other intensive species
Poor ventilation, overcrowding and stockmovements contribute
Hygiene is essential
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Cattle Biosecurity
Cattle vehicle Biosecurity
Only essential vehicles to enter farm
Keep visiting vehicles outside biosecurity
perimeter if possible Vehicles should be cleaned and disinfected
before arrival at the farm
Wheels, tyres and Wheel arches should bedisinfected on arrival
Personnel should use foot dips, protectiveclothing and observe hand hygiene
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Conclusion
Freedom from
Disease =Maximum Profits