00857nam a2200253Ia 4500001000600000003000500006008004100011010001100052040000900063090001600072100003800088245010600126260004100232300001000273502008100283650003600364901001600400902000600416910000900422942000600431942000600437999001900443952014100462Z_433CHAP220113s1989    xx            000 0 und d  a163409  cCHAP  aTesis G 483  aGonzález Alvarez, Miguel948672  aEstudio de la ganadería bovina en el municipio de Fresnillo, Zac.  /cpor Miguel González Alvarez  aChapingo, Méx.  :bEl autor,c1989  a87 h.  aTesis (Ing. Agrónomo Esp. en Zootecnia) -- UACH. Departamento de Zootecnia  aGanado vacunoxZacatecas945526  aTESIS G 483  aM  a1989  c2  c2  c163409d163409  00102local4051708TESISaZbZd2005-11-09eEl autorl0oTesis G66 483 1989p5101000688r2022-01-18 00:00:00tEj.1w2022-01-18yTESIS