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Home » Authors » Troy Rowan
Troy Rowan

Troy Rowan

Assistant Professor – Beef Cattle Genomics / University of Tennessee
Email Troy Rowan
Articles

ARTICLES

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When it comes to genetic improvement, phenotypes are king

Keeping and reporting accurate phenotypic records is essential for the industry to continue improving genetic performance and profitability.
May 19, 2026
Troy Rowan

When we look back at the evolution of genetic improvement in the beef industry, almost all of our major improvements have come relatively recently. Each of the steps in this evolution improved the accuracy with which we make selection decisions.


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Getting on the same page: Helping bull buyers and sellers understand each other

Research into bull buyer behavior is providing new insights that can help seedstock producers better understand how to present information in a way that most benefits commercial producers.
February 2, 2026
Charley Martinez and Troy Rowan

The bull purchase is unlike any other decision that gets made by a cow-calf operation. It carries enormous importance to the success of a herd. The average bull will have a far larger genetic footprint than even the most productive cows, siring well over 100 calves over the course of his time in a herd.


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Breeding the optimal cow for your environment

Genetic potential can vary across different environments. Giving your cattle the best chance to succeed where they are can make all the difference in maximizing that potential.
May 14, 2024
Troy Rowan

In high school biology, we were introduced to the fact that a phenotype is a function of genetics and environment. As cattle producers, we are constantly trying to optimize these two pieces.


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Getting a clearer picture with the help of genomics

As genomic testing continues to be utilized more on both commercial and seedstock operations, let’s look at what genomics can tell us about an animal’s actual genetic merit and reduce the risk on your ranch.
February 13, 2024
Troy Rowan

Genomics has become one of the most powerful tools in the cattle industry over the last decade, but the technology is often misunderstood. The goal here is to help dispel some myths and confusion around the use of genomics.


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Crossbreeding: The beef industry’s most underutilized tool

Even with a proven track record of success, crossbreeding plans are not as readily implemented on U.S. ranches as you might think. Here’s a quick refresher on how and why it can improve your operation.
November 9, 2023
Troy Rowan

Crossbreeding isn’t a new technology. We’ve known about it and have been doing it for ages. Yet, crossbreeding remains a severely underutilized tool industrywide, with less than 50% of commercial operations using it meaningfully.


Read More
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Doing your homework to make bull buying easy

Few decisions have as big an impact on your operation as which bull to purchase. Given due attention to detail beforehand, that choice can pay both short- and long-term dividends.
January 17, 2023
Troy Rowan

Purchasing a bull is one of the most consequential decisions a cow-calf operation can make. Bulls play an outsized role in the long-term genetic progress of our herds, especially when females are retained.


Read More
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Keeping foundation traits in mind when selecting herd sires

February 24, 2022
Troy Rowan
One of the most consequential decisions commercial operations make is sire selection. Whether purchasing a bull or choosing an A.I. sire, the decision has a multigenerational impact on an operation.
Read More
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