Acevedo-Giraldo, J. D.; Romero, M.; Sánchez, J. A. Effectiveness of Two Methods for Stunning Pigs: Electrical Stunning Head-Heart and CO2 Stunning. Rev. investig. vet. Perú 2017, 27 (4), 668-679. https://doi.org/10.15381/rivep.v27i4.12579.