[1]
V. Costa, E. A. Konzen, and J. F. Protas, “Space allowance for pigs raised in concrete flored pens and in metalic cages”, PAB, vol. 18, no. 10, pp. 1133–1137, Apr. 2014, doi: 10.1590/S1678-3921.pab1983.v18.15442.