00526nam a2200205Ia 4500001000900000003000500009005001700014008004100031010001100072020001800083040000900101082001300110100001900123245004700142260004400189300001100233440002800244503001300272650003500285dia_3457CHAP20230411111706.0220117s1987    xx            000 0 und d  a173920  a0-444-42680-9  cCHAP  a636.2 G7  aGravert, H. O.  aDayry-cattle production  /c H. O. Gravert  aAmsterdam, Holanda  :b Elsevier,c1987  a309 p.  aWorld animal science, 3  aI.151147  a1.Ganado lecheroxproducción