Kirkwood, R.N., P. Langendijk, and J. Carr. “Management Strategies for Improving Survival of Piglets from Hyperprolific Sows”. The Thai Journal of Veterinary Medicine 51, no. 4 (September 7, 2021): 629–636. Accessed March 29, 2024. https://he01.tci-thaijo.org/index.php/tjvm/article/view/251918.