Cross-Protection of Ponies from Sublethal Escherichia Coli Endotoxemia by Salmonella Typhimurium Antiserum

Normal ponies were passively immunized with antiserum. The antiserum contained an endotoxin-specific IgG(t) antibody titer of > 1:16000 and a total IgG antibody level of > 3000 mg/dl, which was harvested from horses hyperimmunized with a Salmonella typhimurium bacterin-toxoid.

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