Abstract

Aflatoxins B 1 and G 1 and mixtures of B 1 and B 2 and G 1 + G 2 were irradiated at doses of 1.0, 5.0, 10.0, or 15.0 Mrad in a 60Co γ irradiator. Fertile chick embryos were injected with these aflatoxins or corresponding nonirradiated control aflatoxin (0.05 μg/egg). The lethality of the aflatoxins decreased with increased γ-irradiation dose. The order of decreasing potency of irradiated aflatoxins was B 1, B 1 + B 2, G 1, and G 1 + G 2. Histopathological examination of the livers showed fatty infiltration, hyperemia, and necrosis.

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