Comparative Evaluation of Different Test Combinations for Diagnosis of Mycobacterium avium Subspecies paratuberculosis Infecting Dairy Herds in India

Table 1

Prevalence of Johne’s disease in dairy farms () using multiple diagnostic tests.

	Microscopic examination	Serum ELISA	Milk ELISA	Milk PCR
Dairy cattle tested	355	315	209	201
Positive	131	49	34	29
Percent prevalence	36.9	15.6	16.3	14.4