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![Page 1: Department of Animal Sciences Colorado State University · PDF fileLow Stress Animal Handling Improves Both Productivity and Animal Welfare Temple Grandin Department of Animal Sciences](https://reader031.fdocuments.in/reader031/viewer/2022013014/5a833ebf7f8b9a24668e5150/html5/thumbnails/1.jpg)
Low Stress Animal Handling
Improves Both Productivity
and Animal Welfare
Temple Grandin Department of Animal Sciences
Colorado State University
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Excitable cattle scored with different temperament measures have lower weight gains
Excitable cattle poorer reproductive performance
Many studies have replicated this result
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Different Methods of
Temperament Measurements
Chute Score – Works poorly if tightly held
Electronic Exit Speed
Walk Trot Canter Exit Speed (Vetters et al., 2013)
2 point exit speed scoring – walk or trot, run, jump
(Kasimanickam et al., 2014)
Pen Scoring
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Cattle that become agitated in the
squeeze chute have lower weight gains
Cattle that run fast out of the squeeze
chute may perform poorly
Voisinet et al.,1997, Fell et
al.,1999
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Genetics influences temperament score
Producers have been selecting for calm
temperament to produce calmer, more
productive animals
Be careful to avoid reductions in foraging
or mothering
Temperament test scores are also
changed by experience
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Survey of Cattle Handling in Squeeze Chute in 28
Large Nebraska, Kansas, and Colorado Feedlots
Average Range
Electric Prod % 3.7 0 to 45
Vocalization % * 1.3 0 to 6
Exit Falling % 0.8 0 to 2
Exit Stumble % 6.7 0 to 28
Miscaught % 4.2 0 to 16
Exit Run % 30.7 2 to 75
* No branding,
castration, or
dehorning
R. Woiwode, 2015
Handling has improved
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Advantages of Acclimating
Animals to Handling
Pigs easier to move and lower heart rate when acclimated to walking in alleys (Lewis et al., 2008; Geverlink et al., 1998)
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Cattle handled quietly in the squeeze
chute every day became calmer and will
enter more easily each successive day
Littlefield et al., 2001
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Cattle Handling
Acclimation Research
Cattle handled carefully lower cortisol (Petherick et al., 2009)
Heifers acclimated by walking through chutes improved reproductive performance (Cook et al., 2009, 2012)
Training Brahman heifers to quietly walk through chutes produces calmer adults (Binstead, 1977; Fordyce, 1987)
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Transport Acclimation
Research
Initial trip on a truck is more
stressful than the 7th or 9th trip for
both cattle and sheep.
Stockman et al., 2011
Wickham et al., 2012
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Animal memories are very specific. Acclimating cattle to close contact with people by feeding range cubes does not transfer to reduced temperament scores in the squeeze chute (Cook et al., 2009)
Habituating an animal to a blue and white umbrella does not habituate an animal to other novel objects (Leiner and Fendt, 2011)
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These objects are totally
different pictures
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Cattle perceive a man on a horse and a
man on foot as two different things
They need to be habituated to both
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Acclimate Cattle to
Different Vehicles and
Going through the Chute
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• First experiences with
new people, places, or
equipment must be good
• Acclimating animals to
handling reduces stress
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New things are attractive when an
animal is allowed to voluntarily
approach, and scary when they
are suddenly introduced
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Animals That Fear People
Less Productive
Fear is a proper scientific term and it is used in
the neuroscience literature
Fearful sows, fewer piglets (Hemsworth, 1981)
Fearful dairy cows, lower conception rates
(Hemsworth, et al., 2000)
Dairy cows that approach people, lower somatic
cell counts (Fulwider et al., 2008)
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An Example of Low Flight Zone
Productive Dairy Cows That
Approach People
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Poor Handling
Many Detrimental Effects
Beef steers forced to run – higher cortisol and lactate (Frese et al.,
2015) and faster exit scores (Woiwode, 2015)
Rough handling of feedlot cattle – more bruises (Grandin, 1981)
Cattle handling facilities with many acute bends and turns lower
pregnancy rates compared to straight or semi-circular designs
(Kasimanickam et al., 2014)
High use of electric prods – more downer pigs, higher lactate and
glucose (Benjamin et al., 2001)
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LOWER
WEIGHT GAIN
Miscatching
on the
animal’s face,
running cattle,
whistling, and
yelling
Woiwode, 2015
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Cattle and pigs with agitated
behavior or multiple shocks with
an electric prod in the stunning
chute at the slaughter plant had
higher lactate, tougher meat,
and more PSE
Gruber et al., 2010
Warner et al., 2007
Stockman et al., 2012
Edwards et al., 2010
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A Good Attitude Towards
Animals Improves Both Productivity
and Handling Practices
Seabrook, 1984, 2000
Training stock people improved
attitudes towards animals and
reduced negative behaviors
(Hemsworth et al., 1994)
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You Manage What You Measure
Maintaining high standards requires continuous measurement
Handling quality can be maintained by regular audits of your handling practices with an objective numerical scoring system
PREVENTS BAD FROM BECOMING NORMAL
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Scoring Animal Handling
Percentage of animals that run
Percentage of animals that fall during handling
Percentage that stumble exiting squeeze
Percentages of animals that vocalize during catching in the squeeze chute
Percentage moved with electric prod
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Comparison of Electric Prod Use
Between Normal Fed Cattle and
Hard to Handle Steers
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Percentage of Beef Plants That Stunned
95% or More Cattle with the First Shot
USDA
survey prior
to industry
wide auditing
McDonald’s Audits
started
Continued auditing
by major customers
Continuous auditing maintains
good performance
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HACCP principles same as food safety
Directly observable things that are outcomes of bad practices or bad facilities
Not a paperwork audit
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Three Types of Variables
for Auditing Animal Welfare
1. Animal based outcome measure
(continuous variables)
2. Prohibited practices (discreet variable)
3. Input-based engineering variables
(discreet variable)
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Example: Lameness is an
Outcome of Many Bad Conditions
Agitated Cattle Scuff Hooves (toe abscesses)
Rapid Growth
Poor Leg Conformation
Poor Foot Care
Foot Disease
Injuries
Beta-Agonists – Hot Weather
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Poor Leg Conformation
Causes Lameness and
Difficulty Walking
Correct Collapsed Poor Straight Post
Poor
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The pig has bad leg conformation
Beef should not repeat this mistake
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Corkscrew foot – A
genetic defect in cattle
Photo by L.A. Horstman, DVM,
Purdue University, 2010
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Examples: Prohibited Practices
Poking sensitive areas to move
animals
Dragging downer cows or bulls
Beating animals – See video “Proper
Use of Livestock Driving Tools”
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Example: Input Base Measures
Measures
Space Requirements for Feeders
and Waterer
Space Requirements for Transport
Stunning Equipment Specifications
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Calm Animals
Easier to Handle
Photo by Sherry Taylor
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20 to 30 Minutes
Required to Calm Down
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Fearful Cattle
Heads up – Ears alert
Ears pinned back
Defecation
Tail switching
Eye white
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Animals may
refuse to move
into the sun
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Cattle may refuse to move when they
see the white jug and the red car
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Tie up loose chain
ends that scare
animals
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Cattle may refuse to enter a dark building
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Skylights installed in the walls will improve
cattle movement into an existing dark building
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Allow the Leader Time to
Look at the Puddle
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If cattle balk at the
backstop gate,
tie it open
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In Corrals Move Small
Groups into the Crowd Pen
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Good Handling Requires
More Walking
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Fill Crowd Pen Half Full
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The Flight Zone is the
Animal’s Safety Zone
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Animals turn away when the
handler enters the flight zone
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Solid Outer Fence
Open Inner Fence
People must stay outside the flight
zone unless moving animals
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If an animal rears, back up
and get out of its flight zone
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Optimal Chute Length for
Following Behavior
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Cardboard on the Back Half
of Squeeze Chute Blocks
Vision of a Close Person
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Solid vs. Open sides
Open Sides
Must maintain people free zone around it
Requires more skill
Cattle acclimated to low stress handling
Solid Sides
Outer perimeter to block view of activity and vehicles
Wild cattle
Less skilled people
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Curves
reduce
walking
Outer
perimeter
solid sides
most
important
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Animals will turn
back in the same
direction they
came from
Curved systems
block view of
squeeze chute
operator
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Simple Round Crowd Pen
Handler Works the Pivot Point
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Work Cattle From Crowd
Gate Pivot
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Bud Box
Joe Stookey, 2014
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Use Flags, Paddles or
No Driving Aid
An Electric Prod is NEVER the
Primary Driving Aid
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Curves
reduce
walking
Outer
perimeter
solid sides
most
important
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Design Concepts
Simple, Economical –
Requires more Stockmanship
skill
More Expensive – Easier for
unskilled people to use
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Behavioral Principles
of Restraint
Non slip flooring – Prevents fear of
falling
No sudden jerky motion
Optimal pressure – not too tight, not
too loose
Block vision (grazing animals)
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Dogs around the chutes stress cattle
because they cannot move away.
They may also teach cattle to kick
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Non-Slip Flooring is Essential
Steer coming out of squeeze chute
Animals get
agitated when
they slip
Squeeze chutes,
stocks, scales,
unloading ramps
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