Introduction to Pasture Management ANSC 110 August 31, 2010.
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Transcript of Introduction to Pasture Management ANSC 110 August 31, 2010.
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Introduction to Pasture Introduction to Pasture ManagementManagement
ANSC 110ANSC 110
August 31, 2010August 31, 2010
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The basics…The basics…
Pasture is Pasture is healthyhealthy for your animal for your animal
SunshineSunshine
Room to roam, play, socialize with othersRoom to roam, play, socialize with others
Allows for natural eating behaviorsAllows for natural eating behaviors
NutritiousNutritious
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The basics…The basics…
Properly maintained pasture:Properly maintained pasture:
1.1. Can provide adequate energy, protein, Can provide adequate energy, protein, vitamins and minerals to maintain most vitamins and minerals to maintain most animalsanimals
2.2. A A cheapcheap source of feed for your animal source of feed for your animal
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What is a High Quality What is a High Quality Pasture?Pasture?
Characteristics - Characteristics - DenseDense DiverseDiverse Weed-free (relatively)Weed-free (relatively) Well-drainedWell-drained Crumbly, porous soilCrumbly, porous soil PalatablePalatable
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Advantages of PastureAdvantages of Pasture
Promotes normal healthy Promotes normal healthy behaviorbehavior Providing space for play and Providing space for play and
exerciseexercise Promotes social interactionPromotes social interaction Reduces development of Reduces development of
vicesvices
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Advantages of PastureAdvantages of Pasture
Reduces likelihood of colicReduces likelihood of colic
Lowers incidence of gastric ulcersLowers incidence of gastric ulcers
Decreased incidence of chronic Decreased incidence of chronic obstructive pulmonary disease obstructive pulmonary disease (Heaves)(Heaves)
Increases bone mineral content in Increases bone mineral content in young horsesyoung horses
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Advantages of PastureAdvantages of Pasture
Can produce 1-4 tons of Can produce 1-4 tons of forage matter/acre/growing forage matter/acre/growing seasonseason
Reduces hay costs by Reduces hay costs by approx. $60-100/monthapprox. $60-100/month
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Advantages of PastureAdvantages of Pasture
Reduces fertilizer costs when Reduces fertilizer costs when manure spread properly during yearmanure spread properly during year
Pasture recycles nutrients from Pasture recycles nutrients from dropped manuredropped manure
Reduces need to manage bedding Reduces need to manage bedding from stalls and drylotsfrom stalls and drylots
$avings$avings
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Advantages – Advantages – Environmental ReturnsEnvironmental Returns
Reduces erosionReduces erosion Recycles nutrientsRecycles nutrients Supplies land surface for ground-water Supplies land surface for ground-water
rechargerecharge Provides an aesthetically pleasing Provides an aesthetically pleasing
environment for rural and residential environment for rural and residential neighborsneighbors
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Disadvantages of Disadvantages of PasturePasture
Some weeds, grasses, and legumes contain Some weeds, grasses, and legumes contain toxic compounds:toxic compounds: Weed examples:Weed examples:
Jimsonweed, yellow star thistle, Jimsonweed, yellow star thistle,
pokeweedpokeweed
Grass examples:Grass examples: Tall fescueTall fescue
Legume examples:Legume examples: Aslike clover, red cloverAslike clover, red clover
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Disadvantages of PastureDisadvantages of Pasture
Spread of gastrointestinal parasitesSpread of gastrointestinal parasites
Infective stage of parasites shed in fecesInfective stage of parasites shed in feces
Optimal conditions for larval developmentOptimal conditions for larval development High stocking rates High stocking rates increased risk of increased risk of
infection infection
Manure management, appropriate Manure management, appropriate stocking density, and deworming stocking density, and deworming important for horse health on pastureimportant for horse health on pasture
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Disadvantages – Disadvantages – Pasture Associated Pasture Associated LaminitisLaminitis
Condition of the foot characterized by Condition of the foot characterized by inflammation of the tissues connecting inflammation of the tissues connecting the hoof wall to the major bone of the the hoof wall to the major bone of the footfoot Severe cases may result in rotation of Severe cases may result in rotation of
coffin bonecoffin bone High prevalence in overweight High prevalence in overweight
animalsanimals Hereditary trait in poniesHereditary trait in ponies
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Creating a Quality Creating a Quality PasturePasture
Things to consider…Things to consider… Management of the animalsManagement of the animals
Grazing managementGrazing management
Pasture managementPasture management
TimingTiming
Utilize your growing seasonUtilize your growing season
Optimize the stocking rateOptimize the stocking rate
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Horse Grazing BehaviorHorse Grazing Behavior
Time spent grazing varies Time spent grazing varies WeatherWeather Forage availabilityForage availability Alone vs. with palsAlone vs. with pals FliesFlies AgeAge
Will consume approximately Will consume approximately ~ 2 – 2.5% BW in DM on a ~ 2 – 2.5% BW in DM on a daily basisdaily basis
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Horse Grazing BehaviorHorse Grazing Behavior
40-80% time spent grazing40-80% time spent grazing
9% of a horse’s time is spent walking9% of a horse’s time is spent walking
5-10% time spent lying down5-10% time spent lying down
Primarily 3-4 hours before dawnPrimarily 3-4 hours before dawn
SELECTIVE GRAZERSSELECTIVE GRAZERS
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Horse Grazing BehaviorHorse Grazing Behavior
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Grazing ManagementGrazing Management
Optimize forage availableOptimize forage available
Leave some for later. Avoid overgrazing.Leave some for later. Avoid overgrazing.
Know when to graze, when to restKnow when to graze, when to rest
Grazing SystemsGrazing Systems ContinuousContinuous
RotationalRotational
StripStrip
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Grazing ManagementGrazing Management
Periods of occupationPeriods of occupation
Recovery periodsRecovery periods
Stocking rate and densityStocking rate and density
Paddock/pasture designPaddock/pasture design
Climate considerationsClimate considerations
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Optimize the stocking Optimize the stocking raterate Stocking RateStocking Rate - a measurement of the - a measurement of the long-long-
termterm carrying capacity of a pasture; the carrying capacity of a pasture; the number of animals on the number of animals on the entireentire grazing unit grazing unit for the entire grazing seasonfor the entire grazing season
Stocking DensityStocking Density - the number of animals - the number of animals on a on a given unit given unit of land for a specific amount of land for a specific amount of time (short-term measurement).of time (short-term measurement).
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Pasture ManagementPasture Management
Obtaining that optimal pasture requires Obtaining that optimal pasture requires management of the:management of the:
PLANTSPLANTS
SOILSOIL
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Pasture ManagementPasture Management
Species SelectionSpecies Selection
Pasture EcologyPasture Ecology
Water requirementsWater requirements
TemperatureTemperature
Plant anatomy/growth factorsPlant anatomy/growth factors
Pest controlPest control
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Pasture ManagementPasture Management
Pasture NutritionPasture Nutrition Sunlight / WaterSunlight / Water
NitrogenNitrogen
PotassiumPotassium
PhosphorusPhosphorus
Other nutrients requiredOther nutrients required
Soil acidity (pH level)Soil acidity (pH level)
TIMING!TIMING!
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TimingTiming
TIMING IS EVERYTHING!!!!TIMING IS EVERYTHING!!!! SeedingSeeding
GrazingGrazing
RestingResting
IrrigationIrrigation
FertilizationFertilization
Climate-dependentClimate-dependent
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Utilize your growing seasonUtilize your growing season
Different species of Different species of plants have different plants have different growth curvesgrowth curves
Variety Variety healthy healthy pasture year-roundpasture year-round
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What’s Coming Up?What’s Coming Up?
What plants do I want?What plants do I want?
What plants do I NOT want?What plants do I NOT want?
How do I get rid of the “stuff” that I don’t How do I get rid of the “stuff” that I don’t want?want?
How do I keep my pasture looking good?How do I keep my pasture looking good?
Pasture EcologyPasture Ecology
And more . . . And more . . .