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1、DavidAnderson,TexasA&MUniversityC.WilsonGray,UniversityofIdahoFeedingCornCo-products inDairyHerdsOverviewOverviewofDDGsCharacteristicsTypesofcornco-productsChallengesinFeedingcornco-productsEconomicsofcornco-productsSummaryForStarters…ThisIsn’tNewBrewersandDistillersGrainhavebeenfedforev
2、erCan’tJustFeeditAloneTherearen’tmanyfeedsyoucanfeedexclusivelyIfPriceisRightandWe’llFeedALotLocation,Location,Location…Where’stheFeed?WherearetheLivestock?Distiller’sGrainBasicsKeypointsonethanolco-productsWhattypesofproductsareavailable?Howmuchproductcanbeusedintheration?Howdifferentar
3、ethenutritionalpropertiesofspecificco-products(lowoil,lowprotein,modifiedmoisture,mixtures)?Whichfeedrationcombinationsworkbest?Canthevariationinsomenutrientsbereduced?Source:DanLoy,ISUTypesofDDGProcessingWetMillAccountsforlargestshare&costlyMultipleProducts:highfructosesweetener,cornoil
4、,ethanolcornglutenmeal,cornglutenfeedandothertypesDryGrindGenerallysmallerandlesscostlyTwoProducts:EthanolDistillersGrainandSolublesWetMilling-CornGlutenFeedCORNSTEEPWASHWATERGRINDSEPARATIONWETCORNGLUTENFEEDSTARCH,SWEETNER,ALCOHOLGLUTENMEALCORNOILSTEEPCORNBRANDRYCORNGLUTENFEEDSEM,screeni
5、ngs,distsolublesProductsofWetCornMillingOnebushelofcornproduces:ProductPoundsStarch31.5Furtherprocessedinto33#ofsweeteneror2.5gallonsofethanolGlutenfeed13.5Glutenmeal2.5Cornmeal1.6CornGlutenFeed(CGF)Cornbran+steepCanbewetordryModeratecrudeprotein,CP=16-23%80%ofCPisDIP(ruminallydegradable
6、)Lowfat,moderatefiber,TDN=80101-115%ofenergyvalueofdry-rolledcornProductvariationissignificantwithinandacrossplantsduetoamountofsteepaddedbacktothecornbranOatmeal-typeappearanceDryMilling-DistillersGrains+SolublesCORNGRIND,WET,COOKFERMENTATIONYEAST,ENZYMESSTILLALCOHOL&CO2STILLAGEDISTILLE
7、RSGRAINSWDG,DDGDISTILLERSSOLUBLESWDGSDDGSProductsofDryCornMillingOnebushelofcornproduces:Ethanol2.7gallonsDistillersgrains&solubles17-18poundsDGSareonethirdtheweightofthecornandallbutthestarchisconcentratedintothisone-thirdSulfurisconcentratedandmayhavebeenusedinthefermen
