Table 1.

Prevalence of MG and MG in rural flocks (* average prevalence).

Flock	n° Hens	n° Sample Collected	% MG	% MS
1	10	10	40	80
2	60	30	26.67	30
3	15	8	25	100
4	6	6	0	0
5	30	15	40	33.33
6	5	5	0	0
7	12	6	0	0
8	16	8	12.50	0
9	11	6	33.33	0
10	6	6	0	0
11	42	21	28.57	38.10
12	1	1	0	0
13	10	10	0	20
14	9	9	0	77.78
15	12	6	0	100
16	12	6	100	83.33
17	10	5	0	0
18	20	10	40	80
19	4	4	0	0
20	20	10	0	0
21	10	5	40	40
22	2	2	0	0
23	5	5	0	0
24	3	3	0	33.33
25	3	3	0	66.67
Tot	334	200	20.50 *	35.50 *