Microplastics in Commercial Fish Feed in Bangladesh: An Emergent Risk Factor for Aquaculture
Aquaculture Research2025
2 citations
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Mohammad Toha,
Mohammad Toha,
Sayed Abdulla Abu Nyem,
Israt Jahan,
Israt Jahan,
Sayed Abdulla Abu Nyem,
Mohammad Amzad Hossain,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mohammad Toha,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mohammad Toha,
Md. Mostafizur Rahman,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Md. Mostafizur Rahman,
Mohammad Toha,
Gourab Chowdhury,
Md. Mostafizur Rahman,
Gourab Chowdhury,
Gourab Chowdhury,
Mohammad Toha,
Mohammad Toha,
Md. Mostafizur Rahman,
Md. Khalid Saifullah,
Md. Khalid Saifullah,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mohammad Toha,
Mohammad Toha,
Mohammad Toha,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mst. Afifa Khatun,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Khalid Saifullah,
Mst. Afifa Khatun,
Mohammad Toha,
Mohammad Toha,
Mst. Afifa Khatun,
Mst. Afifa Khatun,
Gourab Chowdhury,
Israt Jahan,
Md. Mostafizur Rahman,
Gourab Chowdhury,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Israt Jahan,
Mohammad Toha,
Md. Mostafizur Rahman,
Mohammad Toha,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mst. Afifa Khatun,
Md. Mostafizur Rahman,
Mohammad Amzad Hossain,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mst. Afifa Khatun,
Md. Mostafizur Rahman,
Mohammad Amzad Hossain,
Mohammad Toha,
Mohammad Toha,
Md. Mostafizur Rahman,
Mohammad Toha,
Md. Mostafizur Rahman,
Mst. Afifa Khatun,
Roksana Huque,
Mohammad Toha,
Md. Mostafizur Rahman,
Mohammed Mahbub Iqbal
Mohammed Mahbub Iqbal
Roksana Huque,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Muhammad Anamul Kabir,
Roksana Huque,
Roksana Huque,
Mohammed Mahbub Iqbal
Md. Mostafizur Rahman,
Mst. Afifa Khatun,
Mst. Afifa Khatun,
Md. Mostafizur Rahman,
Md. Mostafizur Rahman,
Mohammad Amzad Hossain,
Mohammad Amzad Hossain,
Roksana Huque,
Mohammad Amzad Hossain,
Mst. Afifa Khatun,
Mohammed Mahbub Iqbal
Muhammad Anamul Kabir,
Roksana Huque,
Mohammad Amzad Hossain,
Roksana Huque,
Mohammed Mahbub Iqbal
Mohammed Mahbub Iqbal
Mohammed Mahbub Iqbal
Summary
Researchers analyzed 21 commercial fish feed samples from Bangladesh and found microplastics present in all of them, with fibers being the most prevalent form across all feed grades. The contamination levels varied between brands and grades, suggesting inconsistent quality control in feed manufacturing. The findings indicate that commercial fish feed is an overlooked pathway through which microplastics enter aquaculture systems and potentially the human food chain.
The rise of microplastics (MPs) as a significant environmental contaminant has raised concerns about their potential presence in aquatic ecosystems and food webs. The current study aimed to evaluate the properties and frequency of MPs in Bangladeshi commercial fish feed, a vital aquaculture sector component. Twenty‐one commercial fish feed samples representing three distinct grades (starter, nursery, and grower) and seven commercial formulations were tested. Standard digestion, density separation, and filtering techniques were used to extract MPs. The findings demonstrated that all the samples had extensive MPs contamination, with an average concentration of 9.23–14.27 MPs per gram of feed. Grower feeds have the lowest frequency of MPs, while starter feeds show highest MP abundance. The most abundant forms were fibers (45.44%), followed by fragments (36.30%) and microbeads (18.26%). The most frequently occurring colors were black (33.30%), transparent (27.37%), and blue (13.63%). The most dominant group of MPs was <300 µm (52.36%). Polystyrene (PS) and ethylene–vinyl acetate (EVA) were found to be the predominant polymers, making up 32.12% and 23.85% of the total MPs, respectively, based on Attenuated Total Reflection Fourier Transform Infrared Spectroscopy. Nitrile butadiene rubber (NBR) indicated low hazard, while low‐density polyethylene (LDPE) medium, polymethyl methacrylate (PMMA), polycarbonate (PC), and acrylonitrile butadiene styrene (ABS) indicated very high hazard. In addition, fish feed samples remained at low risk as specified by the Pollution Load Index (PLI). Given the possible dangers to fish health, human consumption, and environmental sustainability, this study emphasizes the urgent need for mitigation techniques to minimize MP contamination in aquafeeds.