C. A. da Silva, J. C. Borosky, A. M. Bridi, M. A. Rocha, R. A. M. Silva, and G. D. Pacheco, “Performance evaluation, feces production and digestibility of nutrients in pigs from different genetic groups”, Semina: Ciênc. Agrár., vol. 33, no. 6Supl2, pp. 3315–3322, Feb. 2013.