Table 1.

Occurrence of Salmonella serovar 61: k: 1, 5, (7) in sheep flocks of different size in the federal state Thuringia in Germany

Herd size (number of animals)	Number of herds sampled	Number of positive herds	% of positive herds
1–30	15	3	20.0
31–50	5	4	80.0
51–100	7	6	85.7
101–300	4	4	100
301–500	23	21	91.3
501–750	18	18	100
751–1.000	9	9	100
1.001–1.500	5	5	100
1.501–3.000	4	4	100
Total	90	74	82.2