Valentim, J. kaique, Lima, H.J.D. ’Ávila, Bittencourt, T.M., Barros, F.K.Q., Costa Braga, J.D. da e Antunes, H.C.F. 2019. Performance and welfare of different genetic groups of laying hen. Acta Scientiarum. Animal Sciences. 41, 1 (fev. 2019), e42904. DOI:https://doi.org/10.4025/actascianimsci.v41i1.42904.