Voluntary feed intake, nitrogen and phosphorus losses in rainbow trout (Oncorhynchus mykiss) fed increasing dietary levels of soy protein concentrateFrançoise Médale, Thierry Boujard, Frédéric Vallée, Denise Blanc, Muriel Mambrini, Arjen Roem and Sadasivam J. KaushikAquat. Living Resour., 11 4 (1998) 239-246DOI: https://doi.org/10.1016/S0990-7440(98)89006-2