Paiva, C.M. Feeding tilapia lydrids with three agricultural by-products in Northeast Brazil [peixe de agua doce, nutricao animal, Regiao Nordeste, Brasil] - Auburn, AL (USA): 1981. - 27 p. 7 tables; 18 ref.; Summary (Eng) Subjects--Topical Terms: TILAPIANUTRICAO ANIMALSUPLEMENTO CONCENTRADOREGIAO NORDESTE