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Biosecurity Considerations when Transitioning Newly Purchased Cattle into the Herd

27 April 2021

The objective is to avoid new diseases introduced through replacement stock and airborne diseases.

Typically, new animals are quarantined for at least 30 days and more typically for 60 days before being introduced into the herd. If on-site, the isolation area should be of some distance and downwind from other animals.

Practicing all-in, all-out procedures will make it easier to clean and reduce opportunities by personnel to introduce contaminants to the main herd. Minimize cross-contamination of feeding/watering equipment.

Here are some suggested procedures:

  • Have a set vaccination program as part of the acclimation of new animals.
  • Have a written strategic vaccination plan.
  • Know when and how to use the vaccines listed in the vaccination plan.
  • Discuss the vaccination history of all cattle purchased before cattle arrive.
  • All incoming animals are unloaded and visually inspected during daylight hours, when possible. Isolation is maintained until inspection is completed. If cattle are unloaded at night they are maintained in the receiving area and inspected the following morning.
  • Producers should develop a set procedure that all visitors must follow. Expect visitors come to the house or farm office first and have clean boots and clothing. Keep a record of visitors to the farm, including dates, contact names and phone numbers, and the nature of the visitors’ business.
  • Lock all exterior gates.
  • Trucks and trailers should be free of manure.
  • During the quarantine period, the newly arrived stock are handled last to avoid spread of disease.


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