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La presente etude s’est interessee a la comparaison des performances zootechniques et economiques des porcs nourris avec des aliments commerciaux et des aliments non conventionnels. Au total, 90 porcelets metis (race locale X Large white) âges de 60 a 90 jours dont 45 mâles castres et 45 femelles, ont ete repartis en 15 lots de 6 animaux, a raison de 3 loges de 6 porcelets par traitement alimentaire. Chaque lot a ete nourri a volonte avec un aliment commercial et quatre aliments contenant differents taux de Azolla, Moringa, son de riz, visceres de poulet Cobb 500 et de poisson Oreochromis niloticus . Une difference significative (P < 0,05) a ete notee entre les gains moyens quotidiens (GMQ). Apres 90 jours d’experimentation, les GMQ etaient de 197g/j pour les porcs du lot a aliment commercial et de 63 a 101g/j pour ceux soumis aux aliments a base de ressources non conventionnelles. Il ressort des calculs economiques que le cout alimentaire (Ca) par kg de gain de poids (GP) etait plus faible pour l’aliment non conventionnel (716 FCFA/kg GP) par rapport a l’aliment commercial (830 FCFA/kg GP). Il est donc possible d’utiliser ces ressources non conventionnelles pour nourrir de facon efficiente des porcs dans un systeme integre d’exploitations familiales tout en rendant l’environnement sain. © 2015 International Formulae Group. All rights reserved. Mots cles: Aliment, performance, porcs, rentabilite economique English Abstract The present study was focused on the comparison of zootechnic and economic performance of pigs nourished with commercial and non-conventional feed. In total, 90 crossbred piglets (Landrace x Large white) aged 60 to 90 days with 45 castrated males and 45 females, were divided into 15 groups of 6 animals at the rate of 3 lodges of 6 piglets per treatment. Each batch was fed ad libitum with commercial feed and four feed containing different levels of Azolla, Moringa, rice bran, chicken Cobb 500 and fish Oreochromis niloticus viscera. A significant difference (P < 0.05) was observed between Average Daily Gain (ADG). After 90 days of experimentation, the ADG were 197 g / day for pigs nourished with commercial feed and 63 to 101 g / day for those subjected to feed made from unconventional resources. It emerges from the economic calculations that the feed cost (Ca) per kg of Weight Gain (WG) was lower for non-conventional feed (716 FCFA / kg WG) than the commercial feed one (830 FCFA / kg WG). It is therefore possible to use these unconventional resources efficiently to feed pigs in an integrated system of family farms while making healthy environment. © 2015 International Formulae Group. All rights reserved. Keywords: Feed, performance, pigs, economic profitability

Assainissement de l’environnement par la valorisation des ressources non conventionnelles en alimentation de porcs en croissance