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A Comprehensive Investigation of Microplastic Occurrence and Sources in the Gastrointestinal Tracts of Farmed Trout from Kastamonu, Türkiye.
Original title: A Comprehensive Investigation of Microplastic Occurrence and Sources in the Gastrointestinal Tracts of Farmed Trout from Kastamonu, Türkiye.
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Scientists checked farmed trout in Türkiye and found tiny plastic bits (microplastics) in every fish's gut, likely coming from both their feed and the water they're raised in. Since these fish end up on dinner plates, this suggests the food supply chain—not just the ocean—may be a source of the microplastics people are unknowingly eating. More research is needed to know exactly how much this affects human health, but it's a reminder that plastic pollution can work its way from farms straight to our food.
Microplastic (MPs) pollution in aquatic environments has raised global concerns regarding its hazards to the biota. Few studies have assessed MPs in farmed trout reared in inland waters. This study evaluated MPs in the gastrointestinal tract (GIT) of trout, considering feed and water as potential exposure sources. We assessed the prevalence, burden, color, length, and polymer type of MPs in the GIT of 100 trout (n = 20 per location), as well as in feed and water samples from five locations in Kastamonu, Türkiye. The mean MPs abundance in trout GIT contents ranged from 1.15 ± 0.36 to 3.05 ± 1.57 MPs fish⁻¹ (p
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