Abstract
The determination of herd status in regard to Mycobacterium avium subsp paratuberculosis (MAP) infection in dairy cattle is important since MAP infection is associated with important production losses even before clinical cases are identified. Several diagnostic strategies exist to diagnose MAP infection at the herd level. Producers may resist investing time and money on diagnostic procedures if they do not believe the disease is present in the herd. The aim of this study was to assess a questionnaire based on risk factors for transmission of MAP in Quebec dairy herds as a screening tool for identifying positive herds.
Published Version
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