Characteristics and Epidemiological Investigation of Paratuberculosis in Dairy Cattle in Tai’an, China

Table 1

Information on the selected herds.

Herd ID	No. of animals	Sampling no.	The no. of positives	Positive rate
1	920	56	14	25.0%
2	520	58	4	6.9%
3	874	132	32	24.2%
4	536	27	5	18.5%
5	630	94	9	9.6%
6	550	45	19	42.2%
7	420	39	0	0%
8	950	85	0	0%
9	450	50	0	0%
Total number	5850	586	83	14.2%