Bellaver, Claudio, Egídio Arno Konzen, and João Carlos Zanardi. 2014. “Reduction of Ration Waste in Swine Feeders”. Pesquisa Agropecuaria Brasileira 17 (6): 929-31. https://doi.org/10.1590/S1678-3921.pab1982.v17.15949.