Torsten Eriksson Dept. of Animal Nutrition & Management Swedish University of Agricultural Sciences Ulls väg 26 SE-753 23 Uppsala Sweden +46 (0)18 - 671643 torsten.eriksson@slu.se
Bengt-Ove Rustas Dept. of Animal Nutrition & Management Swedish University of Agricultural Sciences Ulls väg 26 SE-753 23 Uppsala Sweden +46 (0)18 - 671663 bengt-ove.rustas@slu.se
