Milk fatty acid composition and associated rumen lipolysis and fatty acid hydrogenation when feeding forages from intensively managed or semi-natural grasslands Marta Lourenço, Bruno Vlaeminck, Martine Bruinenberg, Daniel Demeyer and Veerle FievezAnim. Res., 54 6 (2005) 471-484DOI: https://doi.org/10.1051/animres:2005036