[1]
Hötzel, M.J. et al. 2005. Behaviour of pre-parturient sows housed in intensive outdoor or indoor systems. Pesquisa Agropecuaria Brasileira. 40, 2 (Feb. 2005), 169–174. DOI:https://doi.org/10.1590/S1678-3921.pab2005.v40.6938.