Economics of aquaculture feeding practices in selected Asian countries

aliment pour animaux alimentation des poissons aquaculture techniques asia asie bagre de agua dulce bangladesh carp carpa carpe case studies chanos chanos china chine clarias economic analysis encuestas feeds filipinas fish feeding freshwater catfish inde india macrobrachium rosenbergii milkfish pangasius philippines piensos poisson chat (d'eau douce) polyculture (aquaculture) productividad productivity sabalote surveys tailandia technique d'aquaculture viet nam vietnam