Fagundes, Antonio Cesar Alves, et al. “Influence of Environmental Temperature, Dietary Energy Level and Sex on Performance and Carcass Characteristics of Pigs”. Brazilian Journal of Veterinary Research and Animal Science, vol. 46, no. 1, Feb. 2009, pp. 32-39, https://doi.org/10.11606/issn.1678-4456.bjvras.2009.26747.