Orbert C. Chikwanha, et al. “Seasonal Changes in Body Condition Scores of Pigs and Chemical Composition of Pig Feed Resources in a Semiarid Smallholder Farming Area of Zimbabwe”. African Journal of Pig Farming, vol. 1, no. 1, Sept. 2013, pp. 42-47, https://elixirpublishers.in/index.php/ajpf/article/view/621.