Swine Breeds

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Swine Breeds The US Swine Industry
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US Swine Breeds
- 40 World wide - Only 8 Industry Impact
Four Classifications

• Maternal Breeds
• Sire / Carcass Breeds
• Minor Breeds
• Swine Company Genetics

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Mother Breeds
Yorkshire

• Developed
• York county England
• Imported in 1830
• Characteristics
• White with Erect ears
• A large breed
• Noted For
• Maternal characteristics
• Most carcass oriented of Mother breeds
• Dual Purpose

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Mother Breeds
Landrace

• Developed
• From Danish Landrace
• 1930s imported
• Characteristics
• White with Big Droopy ears
• Fine boned
• Distinctively long bodied
• Noted For
• Most Prolific Breed
• Largest litter size

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Maternal Breeds
Chester White

• Developed
• Chester Co Pennsylvania
• Mid 1800s from White hogs in the area
• Characteristics
• White body
• More Bone Rugged design compared to other mother
  breeds
• Noted For
• Maternal characteristics
• Durability
• Meat quality

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Sire/Carcass Breeds
Hampshire

• Developed
• Hampshire Co. England
• Imported in 1825 to Kentucky
• Called Thin Rinds
• Major growth in 30s
• Characteristics
• Black with a White Belt
• Noted For
• Carcass Traits
• Heaviest muscled leanest breed

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Sire/Carcass Breeds
Duroc

• Developed
• New Jersey Reds
• Sire named Duroc
• Characteristics
• Red body
• Variation is light to dark
• Noted For
• Ruggedness/durability
• Feed efficiency
• Rate of Growth

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Sire/Carcass Breeds
Berkshire

• Developed
• Berkshire England
• Characteristics
• Black with erect
• 6 white points
• Face, legs, tail
• Noted For
• True Pure Breed
• Highest Pork Quality

Berkshire Gold - Premium Pork Product
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Sire/Carcass Breeds
Pertain

• Developed
• Belgium
• Characteristics
• Spotted
• Double muscled
• Noted For
• Leanness and muscle
• Below average pork quality

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Developing F1 crosses
Yorkshire
Hampshire
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Developing F1 crosses
Duroc
Hampshire
H D Terminal Boars
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Cross Breeding
Crossbreeding

• Developed
• To improve the hog being developed by utilizing
  the positives from the breeds selected
• Greater performance and growth rates from
  increased hybrid vigor

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Terminal Line
Maternal Line
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Company Programs
Companies

• Developed
• To increase the positives of many breeds
• Marketing
• Characteristics
• May be unique or have characteristics of the
  breeds used
• Noted For
• Maternal lines
• Terminal lines