Table 4.

Simulated animal- and herd-level detection sensitivities by inspection scenario, using parameters estimated from bTB slaughter-inspection findings in Ireland during 2010–12.

Baseline animal-level detection sensitivity	Inspection scenario	Detection sensitivity			Estimated number of bTB-herds*
		Animal-level	Herd-level		Total	Detected	Additional non-detected
			Median	Mean
0.42	CMI	0.42	0.14	0.24	16,335	3,904	-
	VOI2	0.21	0.08	0.16	16,243	2,540	1,272
	VOI3	0.14	0.05	0.12	16,241	1,930	1,880
	VOI4	0.11	0.04	0.10	16,234	1,580	2,223
	VOI5	0.09	0.03	0.08	16,235	1,349	2,455
0.46	CMI	0.46	0.15	0.25	16,243	4,073	-
	VOI2	0.23	0.08	0.17	16,243	2,692	1,381
	VOI3	0.15	0.06	0.13	16,241	2,080	1,991
	VOI4	0.12	0.04	0.10	16,233	1,687	2,376
	VOI5	0.09	0.03	0.09	16,235	1,439	2,626
0.38	CMI	0.38	0.13	0.23	16,243	3,671	-
	VOI2	0.19	0.07	0.15	16,241	2,396	1,273
	VOI3	0.13	0.05	0.11	16,237	1,788	1,877
	VOI4	0.09	0.04	0.09	16,235	1,461	2,202
	VOI5	0.08	0.03	0.08	16,229	1,239	2,418

*A herd unknowingly infected with M. bovis that sent at least one animal to slaughter when unrestricted during 2010–12.