Using “New Technologies” to New Technologies Address “Old ...€¦ · • Midland Bull Test...
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T. Del Curto, Montana State University June 20, 2019 2019 BIF Symposium, Emerging Technologies, Brookings, S.D. 1 Using “New Technologies” to Address “Old” Beef Production Questions T. DelCurto Professor & Nancy Cameron Chair Range Beef Ca;le Nutriton & Management 2019 Beef Improvement FederaFon MeeFngs Brookings, South Dakota New Technologies • GROWSAFE Inc. – Standard in technology for evalua3ng individual animal intake & intake behavior – Standard equipment at many USDA / Land Grant Universi3es • MSU Campus (18 beef, 8 sheep) and MSU NARC (32) – Industry examples: • Midland Bull Test (Montana) • Simplot Grandview Feedlot New Technologies (cont’): • C-Lock Inc. (SmarMeed Systems; Rapid City, SD) – Rela3vely new entry to measuring feed intake and feed intake behavior – Developing equipment for unique challenges / opportuni3es • My Montana State University experience – Measure self-fed supplement intake in remote loca3ons – No power, no internet, severe environment • Interested in precision nutri3on and applica3on to commercial beef caTle produc3on Beef Ca;le Feed Intake • Well established in backgrounding / feeder scenarios: • Not well established for Cow / calf producWon: – Limited informa3on for cows and even less for grazing cows on pasture or rangelands – Previously, research was difficult and contained numerous sources of error Strategic SupplementaFon OpFmizes the Use of Low-Quality Forages • Past Research
Transcript of Using “New Technologies” to New Technologies Address “Old ...€¦ · • Midland Bull Test...
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T.DelCurto,MontanaStateUniversity June20,2019
2019BIFSymposium,EmergingTechnologies,Brookings,S.D. 1
Using “New Technologies” to Address “Old” Beef Production
Questions
T.DelCurtoProfessor&NancyCameron
ChairRangeBeefCa;leNutriton&
Management
2019BeefImprovementFederaFonMeeFngs
Brookings,SouthDakota
NewTechnologies• GROWSAFEInc.
– Standardintechnologyforevalua3ngindividualanimalintake&intakebehavior
– StandardequipmentatmanyUSDA/LandGrantUniversi3es
• MSUCampus(18beef,8sheep)andMSUNARC(32)– Industryexamples:
• MidlandBullTest(Montana)• SimplotGrandviewFeedlot
NewTechnologies(cont’):• C-LockInc.(SmarMeedSystems;RapidCity,SD)
– Rela3velynewentrytomeasuringfeedintakeandfeedintakebehavior
– Developingequipmentforuniquechallenges/opportuni3es
• MyMontanaStateUniversityexperience– Measureself-fedsupplementintakeinremoteloca3ons– Nopower,nointernet,severeenvironment
• Interestedinprecisionnutri3onandapplica3ontocommercialbeefcaTleproduc3on
BeefCa;leFeedIntake• Wellestablishedinbackgrounding/feederscenarios:
• NotwellestablishedforCow/calfproducWon:– Limitedinforma3onforcowsandevenlessforgrazingcowsonpastureorrangelands
– Previously,researchwasdifficultandcontainednumeroussourcesoferror
StrategicSupplementaFonOpFmizestheUseofLow-QualityForages
• PastResearch
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T.DelCurto,MontanaStateUniversity June20,2019
2019BIFSymposium,EmergingTechnologies,Brookings,S.D. 2
CowEfficiency• InwesternproducWonsystems:
• ReproducWonisthe#1cullingcriteria
• Otherfactors:• ProducWon
• %ofbodyweightweaned“..Cowsshouldwean50%oftheirbodyweight..“
IdealCowSize? IdealCowSize?RecentPopularPressPublicaFons:! UniversityofWyoming! NorthDakotaStateUniversity! PastpublicaWons
*Implythatsmallercowsaremoreefficientthanlargercows
EnergyrequirementsversusBodySize:- Smalleranimalshavehighermetabolicratesthanlarger
animals.
- Likelyduetofactorssuchas:- Thermo-regulaWonandbodysize- MaintenancefuncWonsrequiredforallanimals,but
proporWonallygreaterforsmallanimals
- EnergyMetabolismandBodySize:- EnergyrequirementsareproporWonaltobodyweightraisedto
the.75power
- ThisisthebasistoexpressingintakeasafuncWonofBW*.75
- VanSoest(NutriFonalEcologyofRuminants)
Land & Forage Resources in the Western US
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Problem&Jus;fica;on• Useoffall&winterforageswillincrease:
– EconomicalalternaWvetoharvestedforages– Allowsforincreaseduseofrangelandsoutsideofthegrowingseason
– Extendedgrazingseasons(decreasedconfinementfeeding)mayhavephysiologicalbenefits
– BUT,opWmaluseofhigh-fiber,low-quality,forages• Caelewillbeselectedforenvironmental“fit”• NewtechnologieswillassistinrefiningexisWngknowledgeofstrategicsupplementaWon
Current/FutureResearch• StrategicSupplementaWon
- OpWmalnutrientdeliverysystems- OpWmaluseofLow-QualityForages- OpWmaluseofRangelands
WinterGrazingResearchatHavre-Winterof2016/2017and2017/2018
" InfluenceofSupplementIntakeandCowAgeonGrazingBehaviorandRangelandUsePaeerns" SamWyffels,JanBowman,LanceMcNew,DarrinBoss,CoryParsons,JuliaDafoe,AlysonHicks-Lynch,andTimDelCurto" VegetaWon:producWonandcoverbyspecies,foragequality,robelstructureesWmates
" Soilorganicmaeer,temperaturemaps(GISLayers)
FeedingBoutData• 45d(yr1)&60d(yr2):
– 42,472visitsyr1&65,873yr2
• CowEIDread• Timeofday• Entryandexitarerecorded
• CoupledwithweatherstaWonandGPScollardata
– AvgSuppleIntake=2.75lbs(1.25kg)
– 264/272(yr1)and302/306(yr2)cowswererecorded
Figure1.TheinfluenceofcowageonsupplementintakeandvariaFoninintake.Ageclass1=yearlingheifers,ageclass2=2&3yrcows,ageclass3=4&5yrcows,ageclass4=6&7yrcows,ageclass5=8&9yrcows,andageclass6=10&older(Wyffelsetal.,2018).
Year1=2016/2017 Year2=2017/2018
Figure2.Theinfluenceofenvironmentandcowageonsupplementintakebehavior.Best-Fitmodelinvolvedmeandailytemperatureandcowage(Wyffelsetal.,2018).
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T.DelCurto,MontanaStateUniversity June20,2019
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Goals&Objec;ves
II. MatchingBeefCa;leProducFontoWesternRangelandEnvironments
1. InfluenceofMatureCowWeaningWeightRaWosand
CowSizeonIntakeandGrazingBehavior
-AlysonWilliamsMSProgram 2. AbilityofYearlingHeiferResidualFeedIntake(RFI)
EsWmatestoPredictCowProducWvity,FeedIntakeandGrazingBehavior
-CoryParsonsPhDProgram
CowSize&WeaningWtRa;o
Transl.Anim.Sci.2018.2:S79–S83doi:10.1093/tas/txy044Transl.Anim.Sci.2018.2:S84–S88doi:10.1093/tas/txy045
Current/FutureResearch• StrategicSupplementaWon
- OpWmalnutrientdeliverysystems- OpWmaluseofLow-QualityForages- OpWmaluseofRangelands
2. SaltLimitedSupplementIntake:ImpactsofSaltLevel,Frequency,andFormofSupplementonIntake,NutrientDiges;on,andVariabilityofSupplementIntakeinBeefCaSleHayley White MS program
IntakeVariaWonStudy:• Approximately60crossbredheifers• ComparingintakeandintakevariaWonbetween
twoformsofsalt-limitedsupplement,pelletedorloose,usingSmartFeedProTrailer.
• 3TreatmentGroups:1. Control(nosupplement)2. Pelletedform3. Looseform
• HeiferswillbeweighedandbodycondiWonscoredondays0,42,and84.Individualdrymaeersupplementintake,frequencyoffeedevents,andtotalnumberoffeedeventswillbemeasuredforeachheifer.
RedBluffProject• Usenewprototypefeeder• LoteknewprototypeGPSCollars
• OBJECTIVES:– WinterenvironmenteffectsonvegetaWonchange
– Resourceusepaeerns
RedBluffResearch(cont’)• Long-TermEffectsofProteinStatusonWinterGrazingBeefCows
- Treatments 1.non-supplementedcontrolcows 2.1.5kgofAlfalfaPellets 3.3.0kgofAlfalfaPellets
- DESIGN:- 150hdofdrypregnantmaturecows- FeedSupplementslateNovembertomid-February- Threeyearstudy
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T.DelCurto,MontanaStateUniversity June20,2019
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EnvironmentandNutrientRequirements• Mostofthemodelsforenvironment
arebasedon1981NRCPublicaWon
• Mostarefocusedonenergyrequirements• Protein,minerals&vitamins?
• Relatetotemperatureandhaircoat• LimitedinrespecttoprecipitaWon
and/orwindcondiWons• WindChillequivalent?
Valida;onStudyNeeds:1. Howdoes“stockingrate”influencesupplementintakebehavior?2. Howdoessupplementdeliverymethodinfluencesupplementintakebehavior?
• SmartFeedProandSuperSmartFeedsystemsaredifferent3.EffecWvenessoffeederstolimitand/ormorepreciselydeliversupplementsinextensive
environments.
ThankYou!
Ques;ons?
ResearchSupportNancyCameronEndowment
Cow Milking lbofmilk/ lbTDN lbCP
Size Level cow/day Needed Needed
1000 BelowAvg 10 12.4 1.9
1000 Average 20 14.8 2.6
1000 AboveAvg 30 17.2 3.5
1200 BelowAvg 10 13.8 2.1
1200 Average 20 16.2 2.8
1200 AboveAvg 30 18.7 3.5
1400 BelowAvg 10 15.2 2.3
1400 Average 20 17.6 3.0
1400 AboveAvg 30 20.1 3.7
Source:NutrientRequirementsofBeefCa;le;1984,1996&2016.
BeefCa;leNutriFonalRequirements: FinalThoughts:• BeefCa;leEfficiencyisprimarilydefinedbyreproducFon
• OpFmalsizedependsonenvironment• MetricsforEnvironmental“Fit”arelimited
