Influence of carbohydrate or protein supplementation on intake, behaviour and digestion in dairy cows strip-grazing low-nitrogen fertilized perennial ryegrass Rémy Delagarde, Jean-Louis Peyraud and Luc DelabyAnn. Zootech., 48 2 (1999) 81-96DOI: https://doi.org/10.1051/animres:19990201