What you can learn from professional pig & poultry farmers
Large-scale commercial pig and poultry farms have very high biosecurity awareness and take strict precautions. Their most significant risk is highly infectious, deadly viruses.
Internal biosecurity
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enforced restriction of people between clean and dirty areas/jobs;
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protective clothing is worn in one area, then removed;
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footwear is disinfected, and only used in one area;
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workers must shower when they get to work, and again before they leave;
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worker movement may be restricted between individual sections of the farm – for example, there are workers at commercial poultry hatcheries who never cross paths in their work, and who don’t socialise together.
External
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when new pigs arrive, they are quarantined;
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it’s rare to allow visitors, and even rarer for farmers to visit each other’s properties;
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support vehicles are thoroughly cleaned before entering a property;
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pig farmers always purchase from a breeder with stricter biosecurity than their own, never lower;
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they also take extra biosecurity measures according to the health status of farms they visit, or ones supplying them with new stock.
These are extreme measures, but it gives you an idea of the principles that can be used on your block.