Table 1

Data (median and interquartile range or proportion) of the 18,056 herd-tests performed on 1,734 herds included in the tuberculosis eradication campaigns in the Autonomous Community of Madrid in 1997–2009
Beef Dairy Bullfighting Total
Study population
Number of herds tested per year 971 (844–1030) 156 (142–162) 75 (60–86) 1193 (1068–1262)
Number of tests/year 1065 (975–1142) 182 (178–233) 85 (67–109) 1333 (1232–1435)
Number of animals tested/round 25 (13–49) 53 (23–105) 74 (33–141) 29 (14–60)
Days between tests (non-bTB) 355 (217–372) 337 (206–376) 328 (203–383) 351 (215–372)
bTB data
% positive herds 22.2 50.3 25.2 25.6
% recurrently infected herds 6.8 34 13.9 13.5
% of outbreaks in OTF farms 29.7 47.2 31.7 38.8
Number of animals tested/round 40 (19–76) 69 (36–131) 89 (53–141) 25 (51–98)
Number of reactors/positive test 2 (1–4) 4.5 (2–11) 3 (1–7.7) 2 (1–6)
Number of outbreaks 330 144 41 515
Number of positive tests/outbreak 1 (1–2) 1 (1–3) 1 (1–2.5) 1 (1–2)
Number of reactors/outbreak 2 (1–5) 5 (2–18) 4 (1–10.5) 3 (1–7)
Number of testing rounds for achievement of OTF status 2 (2–3) 2 (2–4) 2 (2–3) 2 (2–3)
β (test) (median) 2.3 (1.5–4.5) 4.7 (2.2–9.2) 2.2 (1.5–4.5) 2.9 (1.6–6)
β (skin test) (median) 1.94 (1.3–3.1) 4.2 (2–8.4) 2.1 (1.2–3.2) 2.4 (1.5–4.9)
β (skin test + IFN-γ assay) (median) 5.7 (4.4–7.2) 6.4 (4.5–10.5) 4.9 (2.1–6.7) 5.8 (4.4–7.5)
β (herd) (median)* 2.3 (1.5–3.6) 4.3 (2.4–6.3) 2 (1.5–3.5) 2.6 (1.6–4.3)

*After removal of outliers.

Alvarez et al.

Alvarez et al. BMC Veterinary Research 2012 8:100   doi:10.1186/1746-6148-8-100

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