Sponsor: Purina Animal Nutrition
Breeding decisions have always shaped the long-term trajectory of a dairy herd. Today, strong calf prices are prompting producers to evaluate how many replacement heifers they truly need and how many cows should instead be bred to beef sires.
For many operations, the answer is not a simple either-or decision. Instead, it reflects a broader evaluation of herd structure, market conditions and long-term business goals.
Calf value is reshaping the conversation
Strong beef markets have dramatically increased the value of day-old calves, creating a new revenue stream for dairy producers. In some cases, calves are bringing prices few producers imagined possible just a few years ago.
That shift has changed the way some dairies view their breeding programs. Rather than focusing solely on producing replacement heifers, many operations are balancing their replacement needs with opportunities to capture additional value from beef-on-dairy calves.
When calf values rise, the economics can have a meaningful impact on overall dairy profitability. Spreading calf income across a full 305-day lactation can help offset lower milk prices or periods of market volatility. As a result, breeding strategy has become a more intentional financial decision.
Most herds already follow a blended approach
A common approach is breeding roughly the top third of the herd to dairy sires to produce replacement heifers, while the remaining cows are bred to beef sires. This allows producers to maintain adequate replacement numbers while also participating in the growing beef-on-dairy market.
For many farms, the question is not whether to produce replacement heifers at all, but how many are truly necessary. Replacement heifers represent a long-term investment. It takes nearly two years before a heifer enters the milking herd; during that time, producers incur significant costs for feed, labor, housing, health care and breeding. These costs must be carefully weighed against the potential revenue from beef-on-dairy calves.
Understanding the true cost of replacements
Many producers are very good at tracking variable costs such as feed and health care. Facilities, labor and capital costs can be harder to assign to individual animals, making replacement heifers appear less expensive than they actually are.
For that reason, financial modeling and careful recordkeeping are essential. Each farm’s financial picture is unique; producers who understand their cost structures and regularly review their numbers are better equipped to make informed breeding decisions.
Genetics and strategy are becoming more deliberate
As beef-on-dairy calves become more valuable, producers are paying closer attention to the genetics behind those animals. Rather than simply breeding lower-producing cows to beef semen, some dairies are taking a more strategic approach to sire selection. The goal is to produce calves that perform well in the beef supply chain while maintaining the quality of replacement animals entering the dairy herd.
Some operations are even exploring ways to remain involved in the beef value chain beyond the day-old calf stage. By retaining ownership or partnering with calf raisers or feedlots, dairies may capture additional value as the animal moves through the production system.
A systems approach to breeding decisions
Ultimately, breeding strategy should be considered as part of a larger management system. Market conditions, herd demographics, culling rates and milk prices all influence the number of replacement heifers a dairy truly needs. Breeding decisions should be reviewed at least every six months to ensure the strategy still aligns with market conditions, culling strategies and herd needs.
Producers also are adjusting other management decisions in response to strong calf values. Some dairies, for example, are keeping cows for an additional lactation or partial lactation to capture the value of another calf before culling.
Early calf care still matters
Regardless of whether a calf is destined to become a replacement heifer or a beef animal, early-life management remains critical. Ensuring calves receive proper colostrum, consistent nutrition and low-stress handling helps maximize both productivity and value. A calf raised for beef production still requires the same strong start as one entering the milking herd.
Producers who shortchange early management may see negative effects later in the value chain, whether it’s poorer growth performance or reduced carcass quality.
As beef-on-dairy continues to evolve, the most successful dairies will be those that approach breeding decisions with a long-term, systems-oriented mindset, balancing replacement needs with new opportunities created by today’s strong calf market.
To learn more about how Purina Animal Nutrition can support producers’ breeding decisions, whether raising beef-on-dairy or replacement heifers, reach out to your local Purina representative or visit purinamills.com/dairy-beef.
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