Agostini, P. S., J. Gasa, E. G. Manzanilla, C. A. da Silva, and C. de Blas. 2013. “Descriptive Study of Production Factors Affecting Performance Traits in Growing-Finishing Pigs in Spain”. Spanish Journal of Agricultural Research 11 (2), 371-81. https://doi.org/10.5424/sjar/2013112-3011.