00523nam a22002057a 4500003000500000005001700005008004100022010000900063011001000072035000900082040000900091082002000100100001900120245004100139250001000180260006000190300003100250650002000281650001600301CHAP20220817041243.0971013s1978            r     00010     d  a9668  a10640  a9878  cCHAP  a636.5bN67 197800aNorth, Mack O.  aCommercial chicken production manual  a2 ed.  aWestport, Connecticut. :bAVI Publishing Company,c1978  a692 p.b: tabs. ; gráfs.14aAves de corral.14aAvicultura.