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Dr. Jamie Courter is your Mizzou Beef Genetics Extension Specialist

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By Jared E. Decker Many of you have probably noticed that things have been a lot less active on the A Steak in Genomics™   blog, but you probably haven't known why. In January 2021, I was named the Wurdack Chair in Animal Genomics at Mizzou, and I now focus on research, with a little bit of teaching. I no longer have an extension appointment. But, with exciting news, the blog is about to become a lot more active! Jamie Courter began as the new MU Extension state beef genetics specialist in the Division of Animal Sciences on September 1, 2023. I have known Jamie for several years, meeting her at BIF when she was a Masters student. I have been impressed by Jamie in my interactions with her since that time.  Dr. Courter and I have been working closely together the last 6 weeks, and I am excited to work together to serve the beef industry for years to come! Jamie holds a bachelor’s degree in animal science from North Carolina State University and earned a master's degree in animal

Comparison of updated Angus GE-EPD tests

As you may know, both Zoetis and GeneSEEK have updated their genomic tests.

Zoetis still uses about 50,000 SNPs, but have now trained their data set with more animal records and genotypes. The genetic correlations for the Zoetis test range from 0.38 to 0.73. See this Angus Journal article for more information.

GeneSeek now use about 80,000 SNPs in its genomic test. The genetic correlations for the GeneSeek test range from 0.60 to 0.70 for most traits, except milk which is at about 0.4 and calving ease direct which is at 0.34. See this explanation from the American Angus Association.

So, the accuracy differences appear to be pretty small.

Both tests cost $75. If you add genetic abnormality tests, such as AM, NH, or CA, to the Zoetis test, you pay $23.00 per test. If you add an the same genetic abnormality tests to the GeneSeek test, you pay $8.00 per test. See the Angus Genetics Inc. website or https://www.angusonline.org/AGI/AgiDnaPricing.aspx for more details.

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