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Aflatoxin-producing potential of Aspergillus flavus strains isolated from Spanish poultry feeds

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Abstract

A total of 126 fungal strains belonging to the Aspergillus flavus group isolated from commercial poultry mixed feeds were studied. One hundred and twenty-five were identified as A. flavus and one as A. parasiticus. Forty nine strains (39%) produced aflatoxins on a crushed moist wheat medium (28 °C/10 days), whereas only sixteen (13%) showed specific fluorescence on Aflatoxin-Producing Ability Medium. In both media, mainly aflatoxins B1 and B2 were detected, the average concentration of aflatoxins being 4294+/−1083 μg/kg in crushed moist wheat medium, and 877+/−257 μg/kg in Aflatoxin-Producing Ability Medium.

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Authors and Affiliations

  1. Departamento de Microbiología, Facultad de Veterinaria, Universidad Complutense de Madrid, E-28040, Madrid, Spain

    Miguel A. Moreno Romo & Guillermo Suárez Fernández

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  1. Miguel A. Moreno Romo
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  2. Guillermo Suárez Fernández
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Moreno Romo, M.A., Suárez Fernández, G. Aflatoxin-producing potential of Aspergillus flavus strains isolated from Spanish poultry feeds. Mycopathologia 95, 129–132 (1986). https://doi.org/10.1007/BF00437115

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