Regenerative Dairying: The Livestock Transformation
In the first two parts of this series, we explored how Minnesota dairy farmer Derek Schmitz transitioned his operation to regenerative grazing and how adaptive management reshaped his soils and pastures. Now, in Part 3, we turn our focus to the heart of his farm — the cows — and the remarkable improvements he’s seen in livestock health, performance, and overall herd vitality.
Healthy Soil Builds Healthy Cows
It’s a simple truth: healthy soil grows healthy plants, and healthy plants feed healthy animals.
When livestock are raised on diverse, high-forage diets grown in living, biologically active soils, health problems begin to disappear. Regenerative dairying recognizes that nature’s default setting is wellness — not disease.
For too long, many in agriculture have accepted high vet bills, low reproduction rates, and calfhood illnesses as “just part of the business.” But as Derek and other regenerative dairy producers across the U.S. are proving, that doesn’t have to be the case.
Most conventional dairies spend over $150 per cow per year on veterinary costs. By improving soil and forage quality through regenerative practices, Derek has cut that number by more than 90%, spending less than $5 per cow per year — while improving reproduction, cow comfort, and longevity.
From “Okay” to Outstanding Herd Health
Before implementing adaptive grazing, Derek’s cows were doing “fine” — average vet bills, decent reproduction, and manageable hoof issues caused by high-protein pastures and elevated milk urea nitrogen (MUN) levels.
But when he began following the 6-3-4™ system and fully embraced adaptive grazing, his herd’s transformation was dramatic:
MUN levels dropped, stabilizing rumen health.
Hoof problems disappeared, no longer caused by excess nitrogen.
Vet costs fell from $60 to under $5 per cow annually.
Many dairy farmers blame hoof health issues on weather or lane stones, but Derek found the real culprit was excess nitrogen from overgrazed, overly vegetative pastures. By allowing forages to mature and diversify, his cows now graze a balanced, nutrient-rich diet — and the results show in every aspect of herd performance.
Healthier Cows, Higher-Quality Milk
As herd health improved, so did milk components and quality. Across regenerative dairies nationwide, component increases of around 15% are common when switching to adaptive grazing.
At Derek’s Minnesota dairy:
Somatic Cell Count (SCC) dropped significantly.
First-service conception rates climbed to around 75%, with pregnancy rates near 90%.
Calving windows tightened, improving heifer uniformity and grazing efficiency.
These aren’t just production metrics — they’re signs of a more resilient, balanced system where cows can “self-medicate” by choosing from a wide variety of plant species in the pasture.
When cows are healthy, calves are born vigorous and ready to thrive. Derek raises many of his calves on nanny cows or their own dams, giving them direct access to nutrient-dense milk and the opportunity to learn grazing behavior naturally. The result: stronger immunity, faster growth, and lifetime benefits through positive epigenetic expression.
The Power of Epigenetics in Regenerative Dairying
Epigenetics refers to how environmental and management factors influence the way genes are expressed — without changing the genes themselves. Everything from nutrition to stress to chemical exposure can alter gene expression, shaping not just individual animals but future generations.
Every farm management choice leaves an epigenetic fingerprint:
Overuse of pharmaceuticals, pesticides, or synthetic supplements can suppress natural resilience.
Regenerative, low-stress management can enhance health, fertility, and adaptability — traits that pass from one generation to the next.
On Derek’s farm, the difference is visible. Two full sisters, raised differently, show striking contrast:
The grain-fed heifer raised conventionally has average performance.
The nanny-raised heifer exhibits higher body condition, stronger lactation persistence, and better reproduction — all due to positive epigenetic effects from her natural upbringing.
This real-world example underscores how environment and management shape genetics far beyond a single generation.
Selecting Cows that Fit the Land
Through years of observation, Derek has found that cows truly adapted to his northern Minnesota environment tend to weigh about 1,150 pounds, efficiently producing milk while maintaining condition through cold winters.
Using selective artificial insemination and home-bred bulls, Derek has gradually “nativized” his herd — breeding cattle that perform optimally in his specific ecosystem. This strategy not only reduces input costs but strengthens the connection between the cows and the land they depend on.
In his words, “Our cows have become part of the landscape, not just living on it.”
A System That Works — Everywhere
Regenerative management isn’t a one-size-fits-all recipe. It’s a framework of principles — soil health, diversity, adaptive grazing, and observation — that can be tailored to any region or dairy operation across the United States.
For Derek and countless others, the shift has meant:
Lower input costs
Healthier livestock
Improved milk quality
A more enjoyable, sustainable lifestyle
By applying soil health principles and adaptive grazing practices, dairy producers can truly milk a brighter future — for their herds, their land, and their families.