It's known that escaped fish from Norwegian salmon farms can interbreed with wild salmon, and thus must have changed the genetic and physical makeup of the country's famed wild salmon stocks, says the Norwegian University of Science and Technology (NTNU).
Dominique P. Bureau, David J. Bevan, and C. Young Cho, from the Fish Nutrition Research Laboratory at the University og Guelph, look at how rationally predicting feed requirements could save money and prevent poor growth.
The latest figures released by the US Department of Agriculture, Economic Research Service show statistics on domestically grown catfish and US imports of salmon, tilapia and shrimp. Summarised by TheFishSite junior editor, Charlotte Johnston.
