Basics of Livestock Judging -...
Transcript of Basics of Livestock Judging -...
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From the ground up…The basics of livestock judging
Jeff Thayne
Iowa State University Livestock Judging
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Livestock Judging???
� Livestock judging is the evaluation of an animal’s characteristics and making a comparison to other animals and the ideal standard of that particular class
� After evaluating each animal individually, a ranking is assigned to that class
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Livestock Judging???
� A typical contest class consists of four animals, these animals shall be numbered 1 through 4
� Animals that are loose in a pen will have numbers on the animal
� Animals in a stanchion or haltered will be number from left to right when viewing them from behind
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Why Livestock Judging???
� Enhances decision making capabilities and provides the opportunity to defend those decisions through oral reasons
� Oral reasons provide the framework for public speaking skills
� Builds character, integrity, and honesty
� Network with other individuals and producers who share similar interests
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Why Livestock Judging???
� “Judging instills confidence in those people who may be timid and humbles those who tend to be conceited.”
-Harlan Ritchie
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Livestock Judging???
� A livestock judge should always remember that each class is officiated in asubjective manner, however to be the most effective one should judge objectively
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How to…Judge Livestock� The majority of livestock judging
competitions will consists of classes from the following: breeding and market cattle, breeding and market sheep, breeding and market hogs.
� To be successful a judge must understand the anatomy of each particular animal and being able to apply that to the animals intended function
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Cattle
� Market
� Breeding
� Bulls
� Heifers
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www.nationalwestern.com
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Market Cattle
� Priorities
� Muscle
� Correctness of Finish
� Structure and Movement
� Rib and Feeding Ability
� Balance and Eye Appeal
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Market Cattle
� Muscle Indicators
� Forearm
� Rib
� Loin
� Hip
� Stifle
� Quarter
� Base Width
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Market Cattle
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Market Cattle
� Finish Indicators
� Brisket
� Down Top
� Over Ribs
� Around Tailhead
� Drop to flank
� Cod fat
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Market Cattle
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Market Cattle
� Evaluating Structure
� Front foot alignment
� Shoulder angle
� Strength of topline
� Levelness and length of hip
� Set to hock
� Set to pastern
� Heaviness of structure
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Market Cattle
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Market Cattle
� Evaluating Rib/Feeding Ability� Steers should possess dimension to their
skeleton in terms of chest width and center body shape to ensure efficiency in a feedlot setting and the ability to deposit finish� Width of chest
� Depth of body
� Rib Shape
� Uniformity of body depth
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Market Cattle
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Market Cattle
� Evaluating Balance and Eye Appeal
� The proportionalism of the animal
� How well the animal’s parts fit together
� Length of neck
� Levelness of topline and hip
� Smooth pattern
� General attractiveness
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Market Cattle
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Breeding Cattle
www.solutiongenetics.com
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Breeding Cattle
� Priorities
� Functionality
� Growth Performance
� Balance and Eye Appeal
� Muscle
� Femininity/Masculinity
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Breeding Cattle
� Defining Functionality
� Structural Correctness
� Optimal Rib Shape Design
� Depth of rib
� Spring and shape of rib
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Breeding Cattle
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Breeding Cattle
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Breeding Cattle
� Defining Growth Performance� As a livestock judge it is imperative to
understand the marketing venue widely utilized by cattle producers…cattle are sold on per pound basis
� It is important to select cattle that have the ability to gain weight while possessing an optimal frame size to limit mature weight and maintenance costs
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Breeding Cattle
� Defining Growth Performance
� Length of face
� Length of cannon
� Length of body
� Weight of animal
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Breeding Cattle
� Defining Balance and Eye Appeal
� Similar as in market steers
� “Proportional”
� Emphasis in heifers on attractiveness and andrefinement through the head, neck, and shoulders
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Breeding Cattle
� Defining Muscle
� Muscle is of importance in breeding cattle but less of a priority relative to market animals
� In heifers, it is important to select for cattle that are not excessive in their degree of muscling
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Sheep
� Market
� Breeding
� Rams
� Ewes
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www.nationalwestern.com
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Market Lambs
� Priorities
� Muscle
� Correctness of finish
� Growth/Weight
� Skeletal Correctness
� Balance and Eye Appeal
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Market Lambs
� Muscle Indicators
� Forearm
� Rack
� Loin
� Hip
� Leg
� Base Width
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Market Lambs
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Market Lambs
� Finish Indicators
� Breast/Chest Plate
� Forerib
� Over Ribs
� Flank
� Twist
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Market Lambs
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Market Lambs
� Growth Indicators
� Length of cannon bone
� Height at top of shoulders
� Length of body
� Weight
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Market Lambs
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Market Lambs
� Skeletal Correctness
� Proper angle to shoulder and knee
� Appropriate set to pastern
� Levelness of top and dock set
� Square set from hock to ground from behind
� Heaviness of structure
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Market Lambs
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Market Lambs
� Balance and Eye Appeal
� Similar to other species
� “Proportionalism”
� Trim chested
� Length and smoothness of front end
� Level topline and square hip
� Attractive rib design
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Breeding Sheep
� Priorities
� Growth and Performance
� Functionality
� Balance and Eye Appeal
� Muscle
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Breeding Sheep
� Growth and Performance
� A extremely important factor
� Ability to offer future growth
� Length of cannon bone and face
� Length of body
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Breeding Sheep
� Functionality
� Similar to breeding cattle
� Rib
� Structural correctness
� Pasterns
� Length of stride
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Breeding Sheep
� Balance and Eye Appeal
� “Proportionalism”
� Length and smoothness of front end
� Cleanliness thru shoulder and chest
� Levelness of topline and hip
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Breeding Sheep
� Muscle
� Indicators will be similar to market lamb evaluation
� Excessive musculature should be avoided
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Swine
� Market Hogs
� Breeding
� Gilts
� Boars
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www.nationalwestern.com
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Market Hogs
� Priorities
� Muscle Content
� Lean Growth
� Skeletal Width and Dimension
� Structural Correctness
� Balance and Eye Appeal
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Market Hogs
� Muscle Content� Forearm
� Blades
� Loin- LMA of 6.5 sq. in.
� Ham-Loin Junction
� Hip
� Stifle
� Ham
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Market Hogs
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Market Hogs
� Leanness- absence of fat deposition
� Jowl
� Over blades
� Elbow pocket
� Loin Edge
� Seam of Ham
� Lower one-third of body
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Market Hogs
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Market Hogs
� Skeletal Width and Dimension
� Width of Chest
� Square Rib Design
� Depth of Flank
� Natural Base Width at the Ground
� Ability to convert feed to gain
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Market Hogs
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Market Hogs
� Structural Correctness
� Proper angle to scapula
� Backward set and relaxed knee design
� Correct angle to pastern
� Looseness of hip and hock
� Heaviness of Structure
� Even and Wide Foot Design
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Desirable Skeletal Design
Market Hogs
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Undesirable Skeletal Design
Market Hogs
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Evaluating Structure!Evaluating Structure!
Front Leg Structure
Rear Leg Structure
Market Hogs
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Market Hogs
� Balance and Eye Appeal
� Proportional Skeleton
� Attractive & High Quality Look
� Levelness of Topline and Hip
� Strength Behind Blades and to Loin
� Quality to Hair and Skin Coat
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Breeding Gilts
� Priorities
� Functionality
� Structural Soundness
� Internal Dimension and Condition
� Growth Performance
� Muscle
� Maternal Characteristics
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Breeding Gilts
� Structural Correctness
� Looseness of skeleton and mobility
� Same visual indicators as market hogs
� Of utmost importance to ensure sow longevity
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Breeding Gilts
� Internal Dimension and Volume
� Width of Skeleton
� Depth and Shape of Rib
� Natural Base Width at the ground
� Condition
� Important for females to not be too heavy conditioned, however, an adequate degree is needed for sound reproductive intervals
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Breeding Gilts
� Growth Performance
� Females must possess the growth potential and genetics to farrow litters that are fast-growing and efficient
� Gilts should be extended and not be too early maturing
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Breeding Gilts
� Muscle
� Indicators will be similar to market hog evaluation
� Excessive musculature should be avoided
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Breeding Gilts
� Maternal Characteristics� Vulva
� Estrus Detection
� Upturned/Tipped
� Infantile
� Underline� Pin/Blunt Teats
� Size and spacing issues
� Count