EVALUATION OF DIAGNOSTIC TESTS FOR THE EARLY DETECTION OF JOHNE’S DISEASE IN A DAIRY HERD IN

Johne’s disease is chronic and progressive enteric pathology in cattle, produced by bacteria: Mycobacterium avium paratuberculosis (Map). The young animals are the most susceptible, but they shown no symptoms until adult hood. Animals with subclinical disease can spread the microorganism and cause important economic losses. M. avium subsp. Paratuberculosi