Randal T. Capsel

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Testing of composite fecal (environmental) samples from high traffic areas in dairy herds has been shown to be a cost-effective and sensitive method for classification of herd status for Mycobacterium avium subsp. paratuberculosis (MAP). In the National Animal Health Monitoring System's (NAHMS) Dairy 2007 study, the apparent herd-level prevalence of MAP was(More)
Mycobacterium avium subsp. paratuberculosis (MAP) purified protein derivatives (PPDs) are immunologic reagents prepared from cultured filtrates of the type strain. Traditional production consists of floating culture incubation at 37°C, organism inactivation by autoclaving, coarse filtration, and protein precipitation. Three traditional production PPDs were(More)
Mycobacterium avium subsp. paratuberculosis (MAP) purified protein derivatives<lb>(PPDs) are an immunologic reagent prepared from the cultured filtrate of MAP ATCC strain<lb>19698. PPD was produced using MAP ATCC Strain 19698 in Povitsky bottles and Erlenmeyer<lb>flasks. Traditional production consisted of floating culture incubation at 37C, live(More)
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