00474nam a2200169Ia 4500001000900000003000500009005001700014008004100031010001100072040000900083082001500092100002200107245008200129260004200211300001100253650004000264dia_2094CHAP20230614102702.0220117s1978    xx            000 0 und d  a172631  cCHAP  a636.214 E8  aEtgen, William M.  aDairy Cattle Feeding and Management /c by William M. Etgen and Pau M. Reaves  aNew York :b John Wiley & Sons,c1978  a638 p.  a1.Alimentación de ganado lechero.