Optimal dose and timing in phytohaemagglutinin skin-testing of deer.

Abstract

AIM To establish the optimal dose of the mitogen phytohaemagglutinin (PHA) and the optimal time for measuring increased skin-fold thickness in red deer following intradermal injection, as an indicator of cell-mediated immune response. METHODS Three doses (10, 50 and 250 microg) of PHA were injected intradermally in the right side of the neck, and… (More)

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