TY - SER AU - Liu,S.K. AU - Niu,Z.Y. AU - Min,Y.N. AU - Wang,Z.P. AU - Zhang,J. AU - He,Z.F. AU - Li,H.L. AU - Sun,T.T. AU - Liu,F.Z. TI - Effects of dietary crude protein on the growth performance, carcass characteristics and serum biochemical indexes of lueyang black-boned chickens from seven to twelve weeks of age KW - FRANGO KW - DIETA KW - PROTEINA KW - CRESCIMENTO KW - PERFORMANCE ER -