Respuesta de Toretes en Engorda a la Adición de Tres Niveles de Pollinaza a Dietas Integrales

摘要

Anexperimentwasconductedtoevaluateperformanceofbeefcattleinconfinementfeddifferentlevelsofpoultrylitterinasorghumgrain-baseddiet.TwentysevenZebuyearlingbulls,319kgaverageliveweightwererandomlydistributedtoninepensandwerefedwithcompletedietscontainingdifferentlevelsofdriedpoultrylitter;15(P15),25(P25)and35%(P35)(drymatterbasis).After98days,averagegainsinliveweightwere1285,1188and998g/dayforP15,P25andP35,respectively;gainsweresignificantlyhigher(P0.01)forP15andP25thanorP35.Feedintakevalues(kg/dayofdrymatter)were9.4,8.3and7.2kg/dayforthecorrespondingtreatments;feedintakeforanimalsfedP35weresignificantlylower(P0.01)thanforthosefedP15andP25.Feed/gainvalueswere8.06,7.35and7.86anddidnotdifferamongtreatments.Accordingtotheresultsobtained,poultrylittercouldbeincludedupto25%incompletegrain-baseddietsforfatteningcattle;levelsover35%reducedgainandfeedintake.