A species of fish which is the prey of more valuable game fish.Alewives are considered a forage fish and have many predators....
Traps should be checked daily and desirable fish released and forage fish removed for disposal.
Depending on market prices the fish meal portion is usually from forage fish or poultry by-products (including feathers), and blood meal (with maize, soya or wheat) is used as a binder or filler.