Diagnostic value of intravenously administered johnin purified protein derivative (PPD) in bovine paratuberculosis

The diagnostic value of intravenously administered johnin purified protein derivative (PPD) was studied in 45 cattle of different age, coming from herds infected by, or free from, Mycobacterium paratuberculosis. In addition to observing the clinical symptoms, the animals' sera were assayed for...

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Veröffentlicht in:Acta veterinaria Hungarica (Budapest. 1983) 1990, Vol.38 (1-2), p.43-53
Hauptverfasser: Körmendy, B, Tuboly, S, Nagy, G, Török, J, Abonyi, T
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Sprache:eng
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