Growth promoting effect of charcoal from seeds of Canarium schweinfurthii Engl as substitute for antibiotic in broiler diets

摘要

Effectsofanantibioticgrowthpromoter(Doxycycline)andcharcoalfromCanariumschweinfurthiiseedsongrowthperformancehavebeenexaminedwith192day-oldbroilerchicksinacompletelyrandomiseddesign.Corn-soybean-basedbroilerstarterandgrowerdietswereformulatedasbasaldietsforcontroltreatment.Basaldietsweresupplementedwith0.1%Doxycyclineasantibioticgrowthpromoter,0.2%or0.4%charcoalfromCanariumseeds.Themainresultsrevealthat,feedintakeandcarcassyieldwerenotaffected(P0.05)bydietarytreatmentsthroughouttheexperiment.However,feedconversionratio(FCR)andintestinedensityofantibioticgroupweresignificantly(P0.05)lessthanthatofthebasaldietssupplementedwithplantcharcoal.nbsp;Antibioticsignificantly(P0.05)increasedlivebodyweightgainascomparedtobasaldietandcharcoaltreatments.Although,charcoalshowedsimilareffectascontroldiet,ittendstoameliorateweightgainandFCR.nbsp;