Effect of dietary chelated copper and methionine and cysteine on performance, egg quality, and nutrient balance in brown laying hens from 20 to 49 wk old - Trindade Neto, Messias Alves da; Saccomani, A. P. O; Tse, M. L. P; Dadalt, Julio Cezar (Canadian Journal of Animal Science, 2019)