2022---disgusting-find-in-smoked-salmon---ko-test-discovers-worms-in-fish May 2026

In a 2022 quality test that left many consumers reeling, the Swiss consumer magazine (often referred to as KO-TEST in various regions) conducted a rigorous lab analysis of smoked salmon products sold in major supermarkets. The results were stomach-churning: researchers discovered nematodes (roundworms) lurking in several popular brands. The Findings: Worms in the Fillet

To avoid "disgusting finds" in your seafood, experts suggest: In a 2022 quality test that left many

: Because the parasites were dead, some manufacturers argued they were still within legal limits. K-Tipp countered that consumers pay for fish, not "fish plus parasites," regardless of their biological state. How to Protect Yourself K-Tipp countered that consumers pay for fish, not

: Even though dead worms may not cause an active infection like Anisakis , their presence violates the "aesthetic and qualitative" expectations of food safety. K-Tipp rated these products as "unsatisfactory" or "poor" due to the high count of foreign organisms. Which Brands Were Affected? Which Brands Were Affected

While many brands passed the test, the "disgusting find" was notably concentrated in wild-caught salmon products. Wild salmon are more susceptible to parasites than farmed salmon, which are often treated with specialized feed to prevent such issues. However, the test highlighted that even high-end retailers were not immune to these quality lapses. Health Risks: Are They Dangerous?