Aflatoxin Production on High Moisture Corn and Sorghum with a Limited Incubation

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Abstract
Samples of ground, cracked or whole kernels of sorghum or corn were inoculated with Aspergillus flavus #15546. The samples were incubated at 25 or 30.degree. C and 90% relative humidity for 48 or 72 h. In all treatments, the 72 h samples contained more aflatoxins B1 and B2 than the 48 h samples. Cracked sorghum at 30.degree. C for 72 h and whole sorghum at 25.degree. C for 72 h contained more aflatoxins than any other treatment. Even in these short incubation periods, enough aflatoxin could be produced to be harmful to livestock.