Dhaka, May 14 -- Only 13 percent of dried fish produced in Bangladesh were found to contain traces of pesticides, while the remaining 87 percent are considered safe for consumption, according to findings of a new study.

Researchers noted that even in the dried fish samples where pesticide residues were detected, the levels dropped significantly after cooking.

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The study, based on samples collected from five major dried fish-producing regions - Chattogram, Cox's Bazar, Dubla Char, Chalan Beel (Natore), and Sunamganj - analyzed 405 samples in total. It found an average of 13 percent pesticide usage across the selected samples.

The study further revealed consumption preferences among regi...