Reemplazo parcial del jugo de caña con vinaza y uso del grano de soya a cambio de torta en dietas de cerdos de engorde

[摘要] Thirty-sixcrossbredpigs(LandracexYorkshirexDuroc)of25-33kgliveweightwereallocatedto18pensina3x2factorialarrangementof:3levelsofdistillers'solubles(concentratedto48°Brix)replacing0,10and20%ofsugarcanejuice(basisofbrix);andsoyabeanwholegrainorextractedmealasproteinsource.Thetriallasted113daysandwascarriedoutintheinstallationsoftheInstitutoMayorCampesino(IMCA)inBuga,Valle.Thecanejuice/distillers'solublesmixtureswerefedadlibitum;theproteinsupplementswerecontrolledtosupply200g/dayofprotein.Meanratesofgrowth(g/d)for0,10and20%distillers'solubleswere:590,679and810forsoyabeangrainand631,651and650forsoyabeanmeal(SEmeanquot;60;P=0.28);correspondingvaluesfordrymatterintakes(kg/d)were:1.46,1.57,1.95and1.56,1.59,1.70(SEmeanquot;0.1;P=.07)andforfeedconversion:3.73,3.38,3.61and4.01,3.30,3.62(SEmeanquot;0.32;P=0.7).Therewasanapparentsynergisticeffectbetweenthedistillers'solublesandthesoyabeangrain,withanimalperformancebeingsuperioronthiscombinationofsupplements.Thegrowthrate(810g/d)andfeedconversion(3.6)on20%distillers'solublesandsoyabeangrainarethehighestreportedsofarinColombiainpigsfedsugarcanejuice.

[学科分类] 农业科学（综合）