Gómez-Carballar, F., L. Lara, R. Nieto, and J. F. Aguilera. 2013. “Effect of Increasing Lysine Supply During Last Third of Gestation on Reproductive Performance of Iberian Sows”. Spanish Journal of Agricultural Research 11 (3), 798-807. https://doi.org/10.5424/sjar/2013113-4208.