- Commingle breeding and replacement cattle with high-risk cattle.
- Buy replacements or breeding cattle without a negative TB test certificate.
- Wear the same clothes, including footwear — after visiting a sale barn, show or exhibition — around your own herd until you have cleaned and disinfected them.
- Test replacement animals.
- Isolate replacement animals for six weeks before commingling them with the breeding herd.
- Prevent direct contact between your herd and those of other producers.
- Isolate diseased cattle.
- Use sterile syringes and needles.
- Disinfect tattoo, dehorning, castration, ear tagging, etc., equipment. Properly dispose of diseased dead animals by burning or burying the carcasses.
- Ask your veterinarian to submit laboratory tests on diseased animals, alive and dead.
- Use milk replacer or pasteurized milk, not raw milk.
- Thoroughly clean any vehicles, trailers, etc., that have been to the sale barn, show or exhibition.
- Restrict on-farm visitors from contact with your herd. This includes milk haulers, feed-delivery personnel, or others who have contact with other herds.
- Ensure fences are in good condition to separate your herd from wildlife.
- Buy animals from accredited TB-free herds; test new animals prior to purchase.