Abstract
Within Herd Test Prevalence Affects Genetic Variation in Antibody Response to Mycobacterium avium Subspecies paratuberculosis in Milk of Dutch Holstein-Friesians - K.J.E. van Hulzen, M. Nielen, A.P. Koets, G. de Jong, J.A.M. van Arendonk and H.C.M. Heuven. Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands. Worldwide, classical control strategies
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