Kirkwood, R. ., P. . Langendijk, and J. . Carr. “Management Strategies for Improving Survival of Piglets from Hyperprolific Sows”. The Thai Journal of Veterinary Medicine, vol. 51, no. 4, Sept. 2021, pp. 629-36, https://he01.tci-thaijo.org/index.php/tjvm/article/view/251918.