Performance variation of grazing Ouled Djellal breed ewe in South-eastern of Algeria: Effect of season and feeding period complement

摘要

SeasonalpasturenutritionalcharacteristicsvariationwasthefirstconstraintofanimallivestockproductioninAlgeria.ThemainaimofthisexperimentwastostudytheseasonalfeedconcentratecomplementeffectonbreedOuledDjelleleweperformance.nbsp;Complementedewespostpartumliveweightlost(-14.6;-12.3;-11,5kg),andbodyconditionscorelost(-0,96;-0,72;-0,63point)duringbothlambingperiodswerelowerthannocomplementedewes,respectivelyandfortreatment0,1,2.Complementedeweslambshadhigherweaningweight(22,1;nbsp;21,3;17kg)thannocomplemented.LambsbornduringthespringseasonhadhigherAverageDailyGainthanlambsbornduringtheautumnseason(231;205g/d,respectively).