Aflatoxins in Fish Feed and Tilapia (Oreochromis niloticus) Tissues in Brazil
2022
de Godoy, Silvia Helena Seraphin | Gomes, Amanda Larissa | Burbarelli, Maria Fernanda de Castro | Bedoya-Serna, Carolina Maria | Vasquez-Garcia, Andrea | Chaguri, Milena Penteado | de Sousa, Ricardo Luiz Moro | Fernandes, Andrezza Maria
The aim of this study was to evaluate the occurrence of aflatoxins in feed and tilapia tissues from fish farms in Brazil. Samples of feed, liver, and muscle from different properties in Brazil were evaluated for aflatoxins B₁, B₂, G₁, and G₂. AFG₁ and AFB₁ were found in feed and liver samples. AFB₁ was found in 19.05% of muscle samples. Despite the values below the limits in feed and the low levels in tissues, results revealed exposure to aflatoxins. Therefore, aflatoxin limits in regulations regarding aquaculture are needed, as well as monitoring of fish feed contamination and aflatoxin residues in edible fish tissues.
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