4/12/10
Q. Why do ecologists seem to give the nod to farmed catfish and tilapia but not salmon?
A. The ecological issues related to fish farming vary from freshwater to saltwater fish; from carnivorous species to noncarnivores; and from open pens to closed ponds and tanks, among many other factors.
Farmed salmon, often raised in pens that are permeable by surrounding ocean waters and fed a diet rich in fish meal and fish oil, have been of special concern to critics...Read Full Article
