asian fisherman feeds the tilapia for feeding fish in a commercial farm in mekong river. farmers feeding fish in cages, tilapia

agriculture animal aquaculture aquatic asia b12 background bioaquaculture business cod collagen commercial eat economic farm farmer farming feed fin fish fisherman fishery fishing float floating food fresh grey guaranteeing healthy industrial industry integrity landscape liver meal mekong natural nature net nile oil organic people protein quality raw river tilapia vitamin water worker yields