Table 2.

Evolution of TB incidence risk (IR) in BCG vaccinated goats from farms throughout the study.

Farm	M0-M6			M6-M12			M12-M24			M24-M36
	TB +	Totala	IR (%)	TB +	Total	IR (%)	TB +	Total	IR (%)	TB +	Total	IR (%)
1	6	109	6	5	131	4	2	106	2	4	120	3
2	55	360	15	21	454	5	42	369	11	49	576	9
3	23	121	19	53	183	29	32	116	28	27	247	11
4	2	255	1	24	244	10	73	188	39	87	330	26
5	28	90	31	8	53	15	8	38	21	6	88	7

^aTotal of susceptible animals was calculated by the addition of the new vaccinated goat kids minus the half of the number of vaccinated animals that died or were slaughtered between sampling time points (we assumed that they were present a half of the period).