mycobacterium avium subspecies paratuberculosis cultured from locally and commercially pasteurized cow's milk in the czech republic.between november 2002 and april 2003, 244 bottles and cartons of commercially pasteurized cow's milk were obtained at random from retail outlets throughout the czech republic. during the same period, samples of raw milk and of milk that was subsequently subjected to a minimum of 71.7 degrees c for 15 s in a local pasteurization unit were also obtained from two dairy herds, designated herds a and b, with low and high levels, respectively, of subclinical mycobacterium avium subsp. paratuberculosis ...200515746320
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