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A guide to maximizing genetic and economic success

K-State Research and Extension
Mar. 28, 2025 3 minutes read
A guide to maximizing genetic and economic success

Pictured are red and black Simmental bulls in a spring pasture. Simmental sires are now recognized by Integrity Beef Alliance as part of their value-added program.

Photo courtesy of the American Simmental Association.

A Kansas State (K-State) University beef cattle expert is urging the state’s producers to consider key factors in selecting bulls for their operation, saying that “thoughtful bull selection sets the foundation for healthier cows, higher-quality calves, and greater overall herd performance.”

Emma Briggs, a beef cattle systems specialist at K-State’s Western Kansas Research-Extension Center in Hays, KS, said selecting the right bull is one of the most important decisions a cattle producer can make, impacting everything from fertility and growth to overall herd profitability.

She notes that a well-chosen bull drives genetic progress, influencing traits such as feed efficiency, carcass quality, and maternal ability.

“Establishing clear breeding and marketing goals is the first step,” Briggs said. “Knowing whether you’re keeping replacement heifers or marketing all calves at weaning helps define the traits you should focus on.”

Genetic tools like EPDs provide valuable insight when selecting a bull, but not all EPDs hold equal importance.

“If you’re keeping replacement females, you’ll want to prioritize maternal traits like calving ease and milk production,” Briggs said. “If your focus is the feedlot, then growth and carcass traits will be more relevant.”

Briggs added that selecting bulls based on the most economically significant EPDs allows producers to make strategic decisions that improve long-term herd performance.

“While genetics play a key role, physical soundness cannot be overlooked,” she said. “EPDs predict genetic potential, but they don’t guarantee that a bull will hold up structurally.”

Structural integrity affects longevity and breeding efficiency, while muscle and frame size influence calf value. Bulls with poor conformation can lead to discounts at market, making a visual evaluation just as critical as genetic selection.

Briggs said crossbreeding remains one of the most effective tools for improving herd performance.

“One of the biggest benefits of crossbreeding is the longevity and fertility advantages in crossbred cows,” she said, adding that hybrid vigor improves maternal traits, enhances weaning weights, and extends productive lifespans.

Breed complementarity also plays a role. According to Briggs, British breeds offer carcass quality and fleshing ability, while Continental breeds contribute superior growth and lean yield. A well-planned crossbreeding strategy balances these traits to create efficient, high-performing cattle, she said.

“Bulls are the fastest way to make genetic progress in a herd, making careful selection an investment in both short-term profitability and long-term sustainability,” Briggs said. “By using EPDs strategically, evaluating phenotype critically, and incorporating crossbreeding where applicable, producers can build a more productive and efficient herd.” — K-State Research and Extension

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