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Table 2.

Tuberculin testing results for Herd A during 2002 and spring 2003: number tested, number reactors, percentage reactors, number reactors with visible lesions at post-mortem, percentage with visible lesions at post mortem, by test number and Group

Test
number
Farm groupa

1 2 3
Number tested 1 301 134 97
2 142 93 77b
3 185c 69 ndd
Number (%) SICTT reactors 1 17 (5.6) 41 (30.6) 48 (49.5)
2 5 (3.5) 11 (11.8) 11 (14.3)
3 2 (1.1) 5 (7.2) -
Number (% among reactors) with visible lesions 1 15 (88.2) 23 (56) 24 (50.0)
2 4 (80.0) 6 (54.5) 9 (81.8)
3 1 (50.0) 5 (100.0) -

a: Group 1 consisted of adults, yearlings and calves, Group 2 calves and yearlings, and Group 3 adults, yearlings and calves.

b: A test in 2002 (on September 23) was conducted on all deer suitable for slaughter from Groups 2 and 3. Eleven reactors, from both groups, were detected, including nine with gross lesions. The test negative animals, from both groups, were sent direct to slaughter and no gross lesions were detected.

c: Included calves in Group 1 that had not previously been tested and also the balance of Group 1 not tested in test 2.

d: Not done. Remaining Group 3 animals were slaughtered after test 2.