Utilization of local feed resources by dairy cattle : perspectives of environmentally balanced production systems : symposium proceedings Wageningen Institute of Animal Sciences (WIAS), Wageningen, The Netherlands / Ab F. Groen and Jaap Van Bruchem (ed.)

Utilization of local feed resources by dairy cattle : perspectives of environmentally balanced production systems : symposium proceedings Wageningen Institute of Animal Sciences (WIAS), Wageningen, The Netherlands / Ab F. Groen and Jaap Van Bruchem (ed.)