The effectiveness of Saccharomyces cerevisiaein inhibiting aflatoxin production andreducing the harmful effects of aflatoxin in ducklings
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Abstract
Sacharomyces cerevisiae isolates were obtained from baker’s yeast, soil, fruit and identified with PCR. Twenty seven isolates of S. cerevisiae were screened for capacity of inhibition of aflatoxin production of Aspergillus flavus (A. flavus) on coconut extract agar media (CEA). The results showed that the co-culture method of S. cerevisiae isolates and aflatoxin producing A. flavus on CEA medium could be used for screening the strains that are able to antagonize aflatoxin-producing A. flavus. Onground corn medium, with the rate of 104 aflatoxin-producing A. flavus spores and 108S. cerevisiaeyeast cells/g, S. cerevisiaewas able to reduce the amount of aflatoxin produced by A. flavusin corn. In an in vivo experiment, it was found that addition of 108 cells of S. cerevisiaeto one kg of duck feed contaminatedwith 300 ppb aflatoxin from 1 to 10 days of age reduced adverseeffects of aflatoxin on the liver and kidneys of ducks.
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References
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