Which device is used to keep cattle contained during physical exams or procedures?

The chute is specifically designed for keeping cattle contained during physical exams or procedures. It provides a secure and controlled environment in which veterinarians and animal handlers can work safely with the animal. A chute typically allows for easier access to the animal to perform tasks such as vaccinations, examinations, or other medical procedures while minimizing the risk of injury to both the animal and the handler. It often features sides that confine the animal, preventing it from moving around excessively.

While gates and fencing are important for general containment of livestock, they aren't specifically designed for handling individual animals during medical procedures. Fencing is typically used for broader confinement of animals within a pasture or enclosure, and gates are more about allowing access in and out of those spaces.

Stanchions are suitable for restraining certain types of livestock, particularly dairy cows, during milking and feeding, but they don’t have the versatility or design needed for a wide range of medical procedures that a chute offers. Thus, the chute is the most appropriate instrument for the specific requirement of managing cattle during physical exams or procedures.