Rufino, J.P.F., Cruz, F.G.G., Brasil, R.J.M., Oliveira Filho, P.A. de, Melo, R.D. e Feijó, J. da C. 2020. Relationship between the level and the action period of fiber in diets to laying hens. Acta Scientiarum. Animal Sciences. 43, 1 (ago. 2020), e49033. DOI:https://doi.org/10.4025/actascianimsci.v43i1.49033.