Effects of mountain grassland maturity stage and grazing management on carotenoids in sward and cow's milk Francisco Calderón, Gabriele Tornambé, Bruno Martin, Philippe Pradel, Béatrice Chauveau-Duriot and Pierre NozièreAnim. Res., 55 6 (2006) 533-544DOI: https://doi.org/10.1051/animres:2006031