0 Environmental Management of Concentrated Animal Feeding Operations CAFOs.. market weight lb/birdmortality rate % mortality rate lb/d annual capital cost per house $ annual operating
Trang 2Manure.storages.often.must.take.into.consideration.separation distance requirements Specific.
requirements vary by site and can be determined by checking with local and state authorities
Trang 44.2.4 S lurry P iTS or T anKS
Unroofed slurry pits and tanks are fabricated tanks constructed with concrete or coated metal
Trang 6Waste Management Field
Handbook.(AWMFH).(NRCS,.1992) In.particular,.much.of.the.data.con-tained.within.our.virtual.assessment.is.based.on.the.NRCS’s.Costs Associated with Development
and Implementation of Comprehensive Nutrient Management Plan.(CNMP;.NRCS,.2005)]
Trang 80 Environmental Management of Concentrated Animal Feeding Operations (CAFOs)
1 Essentially.no.storage,.frequent.spreading
2 Solids.storage.(typically.outside,.separate.from.pens,.but.may.include.some.manure.pack
and.dry.lot.conditions);.no.appreciable.liquid.storage 3 Liquid.to.slurry.storage.in.deep.pit.or.aboveground.tank;.some.solids.storage;.no.earthen
basins,.ponds,.or.lagoons;.typically.less.than.monthly.spreading 4 Primarily.liquid.manure.stored.in.basin,.pond,.or.lagoon;.some.solids.storage.for.outside
areas;.typically.less.than.monthly.spreading 5 Liquid.system.(any.combination.of.3.and.4);.primarily.used.in.the.West.and.Southeast;
tor.scrape/hand.clean) 5 Pasture.or.lot.with.or.without.hut
model farms for other Confined liestock Types
Trang 9waterways)Liquid.treatment.(small.dairies)Collection.and.transfer.(including.solids,.liquid,.contaminated.runoff,.and.pumping)Settling.basins
Solids.storageLiquid.storageSlurry.storageRunoff.storage.pondsCost.estimates.for.conservation.practices.for.pastured.livestock.are.included.in.the.manure.han-
dling.and.storage.element Components.for.farms.with.pastured.livestock.types.include:
FencingWater.wellWatering.facilityHeavy.use.area.protectionWindbreak.or.shelter.break.establishmentSolids.storage
Trang 10market weight (lb/bird)
mortality rate (%)
mortality rate (lb/d)
annual capital cost per house ($)
annual operating cost per house ($)
Trang 11Manure Storage 09
Needs.for.mortality.management.for.poultry.were.judged.to.be.lower.for.larger.operations.and
higher.for.turkey.operations Needs.were.assigned.as.follows:
45%.for.broiler.and.pullet.farms.with.less.than.220.AU15%.for.broiler.and.pullet.farms.with.more.than.220.AU45%.for.layer.farms.with.less.than.400.AU
15%.for.layer.farms.with.more.than.400.AU60%.for.turkey.farms.with.less.than.220.AU30%.for.turkey.farms.with.more.than.220.AU
... swine
Estimates.of.mortality.management.costs.for.swine.were.based.on.a.composting.facility.consisting
of.a.concrete.pad.with.walls.constructed.of.large,.round.bales;.a.tarp.cover;.and.a.fence.to.keep
animals out Included in the system are a carcass cutter and grinder (Costs for this system are
described.by.Ken.Foster.in.Cost Analysis of Swine Mortality Composting,.Purdue.University Last.
were.based.on.data.taken.from.Iowa.State.University’s Beef Feedlot Systems Manual Last.accessed.
$35,600.per.750-head.operation,.or.$34.per.head The.amortized.annual.cost.is.$5.per.head
Most.operations.typically.have.addressed.this.component.as.a.part.of.their.existing.management
systems,.so.needs.were.judged.to.be.comparatively.low:
15%.for.fattened.cattle.farms.with.a.scrape-and-stack.operation30%.for.confined.heifer.farms.with.a.scrape-and-stack.operation30%.for.the.smaller,.fattened.cattle.farms.with.manure.pack5%.for.the.larger,.fattened.cattle.farms.with.manure.pack
4.3.3 C lean w aTer D iverSionS
Trang 1240%.for.all.other.dairies
... earthen Berms with underground Pipe outlets
This type of clean water diversion was used for fattened cattle operations with a manure pack
method of managing waste, as well as for all dairy operations These operations generally take
Trang 13Pipe cost per foot ($)
number
of 0-foot berms
Berm cost ($)
Total cost installed ($)
Cost per animal ($)
annual cost per animal ($)
40%.for.dairy.representative.farm.#420%.for.dairy.representative.farm.#5.in.Southeast.and.in.West.with.<.270.AU10%.for.dairy.representative.farm.#5.in.West.with.>.270.AU
Trang 14number
of animals
linear feet
of waterway acres
Total cost installed ($)
Cost per animal ($)
annual cost per animal ($)
Trang 16than.270.AU40%.for.dairy.representative.farm.#5.(liquid.system.with.lagoon.or.storage.pond).with.less
than.270.AU20%.for.dairy.representative.farm.#4.or.#5.with.more.than.270.AU
Trang 18Environmental Management of Concentrated Animal Feeding Operations (CAFOs)
turkey.ranches.and.$1.28.per.animal.unit.for.swine Operational.needs.were.judged.to.be.compara-tively.high.for.these.farms,.as.follows:
50%.for.swine.representative.farm.#590%.for.turkey.ranches
Trang 19Manure Storage
60%.of.the.smaller.fattened.cattle.operations.with.manure.pack50%.of.the.larger.fattened.cattle.operations.with.manure.pack
... Pumping Transfer system
Trang 2060%.for.swine.representative.farm.#455% for layer farms in the Southeast, West, and South Central regions with less than.
400.AU30%.for.layer.farms.in.the.Southeast,.West,.and.South.Central.regions.with.more.than
400.AU40%.for.layer.farms.in.the.North.Central.and.Northeast.regions.with.less.than.400.AU20%.for.layer.farms.in.the.North.Central.and.Northeast.regions.with.more.than.400.AU40%.for.broiler.farms.in.the.East.and.pullet.farms.in.the.North.with.less.than.440.AU50%.for.broiler.farms.in.the.West.and.turkey.farms.with.less.than.440.AU
60%.for.pullet.farms.in.the.South.and.West.with.less.than.440.AU25%.for.all.broiler.farms,.pullet.farms,.and.turkey.farms.with.more.than.440.AU
4.3.7 S Torage of S lurry w aSTeS , l iquiD w aSTeS , anD C onTaMinaTeD r unoff
Trang 2120%.for.swine.farm.#1.for.all.sizes.and.regionsAn.assumption.was.made.that.managements.of.a.portion.of.the.operations.would.choose.to
Trang 22Per-unit Cost estimates for liquid storage
liestock type region
numbers animals per farm used to design pond
storage unit size (gal)
Total installation cost ($)
annual installation cost ($)
Cost per unit ($)
Source: Adapted.from.NRCS/USDA.(2004).
Trang 23Manure Storage
20%.for.dairy.farm.#3.in.the.Dairy.Belt.with.35.to.135.AU30%.for.dairy.farm.#3.in.the.Dairy.belt.with.135.to.270.AU40%.for.dairy.farm.#3.in.the.Dairy.Belt.with.more.than.270.AU30%.for.veal.farms
50%.for.swine.farm.#360%.for.swine.farm.#2Slurry.storage.facility.costs.were.estimated.in.the.same.manner.as.liquid.storage.ponds.and
Northeast.and.Midwest50% for fattened cattle farm #1 and confined heifer farm #2 (scrape and stack) in the
Southeast.and.West50%.for.swine.farms.#4.and.#5
Per-unit Cost estimate for slurry storage
liestock type region
numbers au per farm used
to design storage unit
storage unit size (gal)
Total installation cost ($)
annual installation cost ($)
Cost per unit ($)
Source: Adapted.From.NRCS/USDA.(2004).
Trang 24Per-unit Cost estimate for runoff storage Ponds
liestock type region
numbers au per farm used to design pond
Pond size (gal)
Total installation cost ($)
annual installation cost ($)
Cost per unit ($)
Fattened.cattle Northern.Plains 350 791,552 17,414 2,595 7.41.per.AU
Fattened.cattle Northern.Plains 750 1,608,964 28,961 4,316 5.75.per.AU
Fattened.cattle Central.Plains 750 1,673,838 30,129 4,490 5.99.per.AU
Fattened.cattle Central.Plains 1,500 3,321,639 49,825 7,425 4.95.per.AU
Turkeys West.other.than.
California.
Source: Adapted.from.NRCS/USDA.(2004).
Trang 25storage
olume
size of concrete bottom ($)
Total cost ($)
annual cost ($)
Trang 29break/Shelterbelt.Establishment.(2000),.the.purposes.of.planting.windbreaks.and.shelter-to.reduce.soil.erosion.from.windto.protect.plants.from.wind-related.damage
Trang 30Environmental Management of Concentrated Animal Feeding Operations (CAFOs)
to.alter.the.microenvironment.for.enhancing.plant.growthto.manage.snow.deposition
to.provide.shelter.for.structures,.livestock,.and.recreational.areasto.enhance.wildlife.habitat.by.providing.travel.corridors
to.provide.living.noise.screensto.provide.living.visual.screensto.provide.living.barriers.against.airborne.chemical.driftto.delineate.property.and.field.boundaries
to.improve.irrigation.efficiencyto.enhance.aesthetics
to.increase.carbon.storageThe.criteria.used.to.determine.the.size.and.type.of.protection.needed.were.based.on.NRCS
Conservation.Practice.Standard.Windbreak/Shelterbelt Establishment (Code.380).(NRCS,.2000)
Trang 31The annual average cost for the manure handling and storage element was estimated to be.
was.for.fattened.cattle.farms,.at.$9,112.per.farm,.and.for.turkey.farms,.at.$7,940.per.farm,.reflecting
the.larger.number.of.AU.per.farm.for.these.two.types.of.farms Dairy.farms.had.the.highest.cost
per.AU.at.$22.per.milk.cow.animal.unit Swine.farms.had.the.next.highest.cost.per.AU.at.$18.per
swine.AU
Costs differed most by farm size (Table 4.6) Large farms (producing more than 10 tons of
phosphorus annually) had an average annual cost of $15,167 per farm, compared to an average
Trang 32annual manure handling and storage Cost per farm, by liestock Type and farm size
dominant liestock type or
farm size class
number
of farms
au for dominant liestock type
au for other liestock type
Capital costs ($)**
operating costs ($)**
maintenance costs ($)**
Total costs ($)
Cost per au of dominant liestock type ($)
Trang 33operating costs ($)
maintenance costs ($)
Total costs ($)
Trang 36USDA/APHIS 1999 Part.I,.reference.of.1999.table.egg.layer.management.in.the.U.S Natl Animal Health
USDA/ERS 2000 Data.from.the.1998.agricultural.resource.management.survey,.hogs.production.practices.
and.costs.and.returns.report Unpublished.
USEPA 2000 State.compendium:.Programs.and.regulatory.activities.related.to.animal.feeding.operations
Office.Waste.Management.