wade shafer american simmental association. in the pursuit of genetic improvement all traits are...

Making Holistic Genetic Improvement Despite Environmental and Genetic Antagonisms

Crossbreed & Select for Profit!

Wade ShaferAmerican Simmental

Association

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In the pursuit of genetic improvement all traits are antagonistically related to each other

Antagonisms!

What is Genetic Improvement ??????

Higher Growth

More Milk

Easier CalvingIncreased Marbling

Better Fertility

More Muscle

Bigger

Scrotals

Improved

Efficiency

Better Udders Sounder StructureEasier Fleshing

Increased Profit!!!!!!!

Reduced Birth

Weight

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How Do We Select for Profit?

Measure It!

Profit = $Output - $Input

(Output Traits)

(Input Traits)-= Replacement

Rate Cowherd IntakeFeedlot Intake

Calf SurvivalWeaning WeightCarcass WeightYield GradeMarblingSalvage Weight

(Prices) (Costs)

Measuring ProfitProfit = $Output - $Input

Lanoy Hazel, 1943

The Economic Selection Index

“Genetic Accounting”

Measuring Profit

To maintain our share of the protein market we must leverage technology much more effectively

It’s Time to Pontificate

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Source

Actual Measures

Adjusted Measures

Ratios

Visual Appraisal

EPDs

Economic Index

0%

0%

0%

0%

100%

100%

Beef*

7%

8%

21%

31%

28%

5%

Pig/Chicken

*Results of March 2007 ABS producer meeting survey in SD, NE

Sizing Up Technology Use

Family Seedstoc

kOperation

s

Breed Association

s

CommercialIndustry

Maintain Registry

Maintain Registry

Performance Testing

Performance Testing

EPDs Indexes

Corporations

CommercialIndustry

Swine Seedstock History

Leveraging technology more effectively may be critical to the survival of our way of life

Final Rambling. . . & Summary

Crossbreed & Use Economic Indexes!

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wade shafer american simmental association. in the pursuit of genetic improvement all traits are...

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