Resende, V. C., Brainer, M. M., Modesto, K., Leite, P. R., & Freitas, P. V. (2017). Effects of enzyme supplementation on diets of medium-heavy laying hens at 28 to 40 weeks. Revista Ciência Agronômica, 48(4). https://periodicos.ufc.br/revistacienciaagronomica/article/view/84741