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PB Simmental Average EPD Comparison
New Spring 2013 Base vs Old Spring 2012 Base
Average EPDs New
Spring 2013 Base
CE BW WW YW MCE Milk MWW YG Marb REA $API $TI
9.0 2.3 62.5 91.2 8.1 23.0 54.2 ‐0.26 0.09 0.60 107 63
Average EPDs Old
Spring 2012 Base 7.5 0.7 30.8 56.3 10.3 3.4 18.8 ‐0.04 0.17 0.19 105 62
EPD Change +1.5 +1.6 +31.7 +34.9 ‐2.2 +19.6 +35.4 ‐0.22 ‐0.08 +0.41 +2 +1
Simmental Hybrid (SimAngusTM) Average EPD Comparison
New Spring 2013 Base vs Old Spring 2012 Base
Average EPDs New
Spring 2013 Base
CE BW WW YW MCE Milk MWW YG Marb REA $API $TI
9.9 1.0 58.2 88.9 7.2 21.9 50.9 ‐0.20 0.25 0.51 107 63
Average EPDs Old
Spring 2012 Base 8.6 ‐0.6 25.7 52.0 7.6 2.1 14.9 0.05 0.37 0.05 107 62
EPD Change +1.3 +1.6 +32.5 +36.9 ‐0.4 +19.8 +36 ‐0.25 ‐0.12 +0.46 0 +1
American Simmental Association ‐ Spring 2013 Multi‐Breed Genetic Evaluation EPDs ‐ A New Look ‐ A New Tool!
Th e New Look‐ will be the changed numerical expressed value of the EPDs due to the new combined Simmental and Red Angus base.
The numbers will look different, but the animals will still rank the same within the breed. The following chart compares the average EPDs
for Purebred Simmental and SimAngusTMbetween the Spring 2013 Genetic evaluation expressed on the new combined Simmental/Red
Angus base and the Spring 2012 Genetic Evaluation expressed on the old Simmental base.
DNA information is just like
adding progeny to genetic
evaluation. 50K testing
advances accuracy without
waiting for progeny.
The New Tool ‐ Progeny equvialencies for DNA testing per trait
Trait Corr DNA test adds Trait Corr DNA test adds
Calving Ease 0.45 5 progeny
Marbling 0.63 4 progeny carcasses
or 10 progeny scans
Birth Weight 0.65 6 progeny
Weaning Weight 0.52 4 progeny
Ribeye Area 0.59 4 progeny carcasses
or 8 progeny scans
Yearling Weight 0.45 3 progeny
Maternal Calving Ease 0.32 3 progeny
Back Fat 0.29 1 progeny carcass or
1 progeny scan
Milk 0.34 3 daughters