Affiliation: | 2. PEGASE, Agrocampus Ouest, INRA, 35590 Saint Gilles, France;3. School of Agriculture, Policy and Development, University of Reading, PO Box 237, Reading RG6 6AR, United Kingdom;4. Institute of Nutritional Physiology, Leibniz Institute for Farm Animal Biology (FBN), 18196 Dummerstorf, Germany |