Performances of layers as affected by Leucaena Leucocephala (Lam.) de Wit feeding

agricultura agriculture aliment pour animaux alimentation alimentation des animaux alimentos para animales animal animal domestique animal feeding animal production animales animals arbre arbre d'ombrage aves de corral aves domesticas birds chickens crops cultivos dicotiledoneas dicotyledons domestic animals domesticated birds economic plants egg production feed crops feed legumes feed meals feeding feeds galliformes harina para piensos laying performance legumes leguminosae leguminosas leguminosas forrajeras leucaena mimosoideae nutrition oiseau oiseau domestique performance de ponte plantas plantas forrajeras plantas protectoras plante plante de culture plante de protection plants pollo poulet poultry production production animale production d'oeufs protective plants rendimiento en la postura rosales shade trees soil reclamation plants trees vertebrados vertebrates vertebre volaille zootechnie zootechny zootecnia