004310000a22001450004500020001500000060000800015082001900023100000600042245011700048260004200165260000900207300000800216310003500224650002600259  a0851984592  a100  a636.208 52 NUT  a1  aNutrient requirements of ruminant live stock: technical review by an agricultural research council working party  aLondon, Commonwealth Research Bureaux  c1980  a347  aAgricultural research, Council  aNutrient requirements