Volume 10, Number 3—March 2004
Mycobacterium bovis Infection, United Kingdom
1A cattle crush is a small, often portable, cage used to restrain individual animals. Crushes are often used in the United Kingdom to hold animals for veterinary attention.
2A tuberculosis breakdown is confirmed when a visible lesion, typical of tuberculosis, is seen by an official veterinary officer in the carcass of a tuberculosis reactor at postmortem or, if M. bovis is cultured from the set of lymph glands that are routinely collected at postmortem and sent to a state veterinary laboratory for culture.
3“Closed” refers to a gastrointestinal tract case in which the lymph nodes had not caseated and there was no perceived contact with the outside of the body cavity, as there would be a with a known respiratory (open) infection involving the lungs.