Processors brace for stricter listeria limits as contamination rises in raw fish. The prevalence of Listeria monocytogenes in raw salmon has increased significantly over the past three years, according to internal data compiled by Polish processor Milarex and seen by SalmonBusiness. In Norwegian salmon, listeria detection rates rose from 1.7% in 2022 to 3.6% in … Continue reading Revealed: Listeria rates in raw salmon double in two years, Milarex internal data shows