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Showing posts from January, 2013

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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
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Data-Driven Bull Buying

There are lots of ways to make a decision. We can act on our impressions or intuitions. Or, we can gather data and let the evidence guide our decisions. I call this a data-driven philosophy. This week, Amanda Radke and  Kris Ringwall gave their perspectives on a data-driven bull purchase. Both are great articles that I encourage you to check out. Here is my take—we need to make our decisions on a single metric that takes all available information into consideration. These metrics are expected progeny differences (EPDs) and economic indexes. EPDs combine performance records, information from relatives, information from correlated traits, and—in the case of genomic-enhanced EPDs—results from DNA tests. EPDs are the most accurate measure for a particular trait of the bull's merit as a sire. Economic indexes combine multiple EPDs and economic values of each trait to create a single measure of the bull's merit for increasing a producer's profit. We should not be selecting
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