EVALUATION OF THE AMERICAN WATERWEED (ELODEA CANADENSIS MICHX.) AS SUPPLEMENTAL FOOD FOR THE NOBLE CRAYFISH, ASTACUS ASTACUSE. D’AGARO, B. RENAI and F. GHERARDIBull. Fr. Pêche Piscic., 372-373 (2004) 439-445DOI: https://doi.org/10.1051/kmae:2004017