TY - JOUR T1 - 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 JO - Brazilian Journal of Poultry Science A1 - Liu, SK A1 - Niu, ZY A1 - Min, YN A1 - Wang, ZP A1 - Zhang, J A1 - He, ZF A1 - Li, HL A1 - Sun, TT A1 - Liu, FZ SN - 1516-635X UL - 10.1590/1516-635x1701103-108 VL - 17 Y1 - 2015 PB - Brazil ER -