Dairy Evaluation

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Dairy Evaluation

• Prepared by
• Eric Johannesen
• Iowa-Grant High School

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Evaluating Animals Genetically

• Physical Characteristics (Phenotype)
• How does the animal appear and present itself.
• How good does it look.
• Genetic Characteristic (Genotype)
• Things we cant see by looking at them
• DNA Makeup

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Genetics and Livestock

• Creating the Super Cow
• Fewer problems at calving time
• Higher in production
• Suited for the current operations
• Loose housing
• Dairy Parlors
• Perfect Udder
• Perfect Frame and Structure (Feet and legs)
• Angularity

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The Dairy Cow
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Parts of the Dairy Cow
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Breeds of Dairy Cattle
Holstein
Brown Swiss
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Breeds of Dairy Cattle
Guernsey
Jersey
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Breeds of Dairy Cattle
Milking Shorthorn
Ayrshire
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Judging Dairy Cattle

• The most important part of the dairy cow is her
  udder. (40 of her score in Linear Evaluation)
• Feet and Legs
• Width across the rear end
• Topline
• Angularity

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Judging a Class of Dairy Cattle
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http//www.uvm.edu/jagilmor/judging/viewcl1.html