Effects of portal infusions of methionine on plasma concentrations and estimated hepatic balances of metabolites in underfed preruminant calves Y. Chilliard, C. Audigier, D. Durand, S. Auboiron and D. BauchartAnn. Zootech., 43 3 (1994) 299DOI: https://doi.org/10.1051/animres:19940366