Costa, V., Ferreira, A. S., Gomes, P. C., Fialho, E. T., & Freitas, A. R. de. (2014). Feed consumed by pregnant sows confined in groups. Pesquisa Agropecuaria Brasileira, 17(6), 933–940. https://doi.org/10.1590/S1678-3921.pab1982.v17.15950