A perfect storm is brewing in the milking parlor: a historic investment in U.S. dairy processing capacity, coupled with an aging national dairy herd and unprecedented shortage of heifers.
Despite a current milk oversupply situation, a dearth of heifers in the next two to three years could put the squeeze on milk availability, as noted in “Dairy Heifer Inventories to Shrink Further Before Rebounding in 2027,” recently published by CoBank.
Authors Corey Geiger and Abbi Prins share that a whopping $10 billion is being invested in U.S. dairy processing facilities through 2027.
“Those plants will require more annual milk and component production, largely butterfat and protein,” they state in the report. “That begs the question, will there be enough milk cows given the dramatic shift toward beef semen usage on dairy heifers and cows.”
Dairy producers are currently cashing in on those breeding decisions, with newborn beef-cross calves fetching $800 to $1,200 per head and sometimes even higher in the past year. With the national beef cow herd size at its smallest size since 1972, those calves are in high demand to stock America’s feedyards and appetite for beef.
Cattle feeders also appreciate the year-around supply and now-consistent performance of those animals. The assertion has even been made that dairies are becoming beef calf production centers with milk as a production accessory.
It’s hard to argue with the logic that led dairy producers to shift away from producing excess dairy heifers. The CoBank report notes that bred heifer values bottomed out in 2019, at just $1,200 per head. That’s well below the cost to raise a heifer from birth to freshening of roughly $2,000 per head.
Producers switched gears and bred for beef, increasing the annual amount of beef semen they purchased by nearly 3 million units in 2024 compared to 2020. And within a few years, the chipping away of dairy heifer inventories started to show. According to USDA inventory data, the U.S. population of dairy heifers 500 lb. or higher fell by 18% — to just under 4 million head — between 2018 and January 2025.
Commensurately, heifer prices have seen a healthy boost, climbing to $1,720 per head in April 2023, then jumping again to a stunning $3,010 per head in USDA’s July 2025 Agricultural Prices data.
Those high heifer values and limited supply have fed another management shift: dairy producers “hoarding” cows. To keep stalls full, they are hanging onto older animals, a phenomenon USDA data indicates started in September 2023. Since then, a total of 611,600 fewer dairy cows were sent to slaughter compared to recent-year trends.
“This historic pullback cannot be sustained long term,” the Co Bank authors note in the report. In the short term, they speculate many herds might be holding onto under-producing animals to get one more beef-cross calf from them. That calf, valued in the current market of about $1,000 per head, is worth more than the cow if she was sent to the beef packer.
But the long game suggests a shift back to producing more dairy heifers is in order, and it’s already starting to happen. The CoBank report notes from 2023 to 2024, gender-sorted semen sales grew by 1.5 million units and represented an incredible 17.9% growth rate in just one year.
Beef semen sold to dairies held steady in that time frame at 7.9 million units, indicating producers are becoming more strategic in their breeding decisions. They’re gambling less on the 50-50 prospect of conventional dairy semen, striving to intentionally produce either dairy heifers or beef-cross calves.
Based on these current trends, CoBank developed a prediction model to forecast the U.S. dairy heifer population of the future. Their conclusion: about 285,000 more dairy replacement heifers will be entering the pipeline by 2027. But in the interim, 2025 and 2026 will see a combined total of nearly 800,000 fewer dairy replacements.
Noting dairy replacement heifer inventory already is at a 20-year low, the CoBank authors suggest even with a reversal in the heifer population trend starting in 2027, it will be a long pull to get the national dairy herd back to historic levels.
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