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Bangladesh’s rapid growth in fish farming is threatened by heavy metal contamination. Recent research found chromium levels in farmed Mrigal fish four times above FAO’s safe limit. Though current levels may not harm humans, concerns arise over heavy metals in fish feed and polluted water sources. Lack of regular pond cleaning and use of contaminated feed contribute to the issue. Experts urge government action to monitor fish feed quality and water safety to ensure the health of consumers and sustain the aquaculture industry.

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Bonik Barta 08 Jul 25

Chromium Levels in Mrigal Fish Found Four Times Above Safe Limits: If Unchecked, Farmed Fish Could Become a Major Public Health Threat

In recent years, Bangladesh has achieved significant success in fish production. According to the United Nations Food and Agriculture Organization’s (FAO) report World State of Fisheries and Aquaculture 2024, Bangladesh ranks second globally in freshwater fish harvest. Undoubtedly, fish farming has played a major role in this progress. About 60 percent of the total fish harvested in the country comes from aquaculture. However, there is another side to farmed fish — how safe and healthy they are for consumption. This issue has been frequently discussed in public forums. Various studies have also highlighted health risks related to farmed fish.


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