Science secretariat finds no significant impacts attributable to fish farms
A study of sea lice on wild and farmed salmon by Canadian scientists found a “positive trend” of sea lice on wild salmon in the areas studied, but “no statistically significant” association that could be attributed to fish farms.
The report acknowledges previous studies that found correlations between sea lice infestations in salmon farms in B.C. and wild salmon, including a 2018 study by Omid Nekouei et al. “With or without farm sea lice infestation or environmental data, these studies identified increases in sea lice … infestation on wild salmon after migration past one or more salmon farms which they attributed to the farm.”
“Across all years, the mean prevalence of L. salmonis infestation was highest on wild juvenile chum salmon in Clayoquot Sound and lowest on chum and pink salmon in Discovery Islands. “How could this internal DFO reach a conclusion that conflicts with decades of peer-reviewed research?” the FNWSA asks in a news release.
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