[1]
Valaja, J., Alaviuhkola, T. and Suomi, K. 1993. Reducing crude protein content with supplementation of synthetic lysine and threonine in barley - rapeseed meal - pea diets for growing pigs. Agricultural and Food Science. 2, 2 (Mar. 1993), 117–123. DOI:https://doi.org/10.23986/afsci.72640.