Effects on growth and mineral composition of rainbow trout [Salmo gairdnerii] of deletion of trace elements [zinc, manganese, copper, cobalt] or magnesium from fish meal diet

abonos agentes nocivos agricultural chemicals aliment pour animaux alimentos alimentos para animales alkaline earth metals amendement du sol animal animal aquatique animales animales de caza animals aquatic animals aquatic organisms biological development bony fishes ceiuapa (grupos de especies) cinc cobalt cobalto cobre contaminantes contaminantes industriales copper cuivre diadromous fishes diet dieta dietetica dietetics elements engrais engrais organique enmiendas del suelo especies de pesca deportiva facteur nuisible farine de poisson feed meals feeds fertilizers fish meal fish products fishery products fishes fisiologia fonction physiologique foods freshwater fishes game gibier harina de pescado harina para piensos heavy metals industrial pollutants injurious factors isscaap groups of species manganese manganeso metal metales metales alcalinoterreos metales pesados metals nutrition organisme aquatique peces peces de agua dulce peces diadromos physiological functions physiologie physiology poisson d'eau douce poisson diadrome poisson osseux polluant polluant industriel pollutants productos productos derivados del pescado productos pesqueros products produit produit agrochimique produit alimentaire salmo salmonoidei soil amendments transition elements trout trucha truite vertebrados vertebrates vertebre zinc