That's disappointing news
Although its a bit old article '06, few things stand out...
- salmon’s off-season (November, December and March), we discovered that 13 of 23 salmons labeled as wild turned out to be farm-raised
- Farmed salmon are raised in pens, where they eat meal made from other fish that may have lived in polluted waters. As a result, they tend to accumulate more PCBs and dioxins than wild salmon. These industrial chemicals can cause cancer and reproductive problems, are fat-soluble and can be stored in the body’s fat tissue for years.
I'm assuming that #2 is true for all (other than salmon) farm raised fish
So the thing I'm not sure is... what quantities (PCBs and dioxins) are in there? ==> Does having occasional farm raised fish (say once or twice a week) outweigh the negatives?