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Modeling a Path Forward for Expanding Dairy Farms

By Lynn Olthof and Kevin Dhuyvetter

Dairy herds with less than 500 cows face economic challenges due to their relative lack of scale. While many such farms remain profitable, difficult decisions emerge when key facilities like a milking parlor become worn out and re-investment is needed. In these situations, smaller dairy farms often face a dilemma: shift to niche marketing or expand the farm. New MSU research explores the most profitable strategies for expansion and has generated a tool for commercial farms to use for their own planning.

Over the last 20 years, there has been steady consolidation within the U.S. dairy industry, resulting in about 40,000 fewer dairy herds in 2023 than 20 years prior (Figure 1). This decline in total herd numbers has been primarily driven by a steep decline in dairy herds that milk less than 200 cows. Many herds within that size range have had to make the difficult decision to either expand to remain competitive, find an industry niche or exit the dairy business altogether. The primary drivers forcing these decisions are the economies of scale disadvantages faced by small dairy producers as the industry has evolved.

As herd size increases, net returns per pound increase while total costs per pound decrease, with fixed costs being spread across a greater number of cows. While the small dairies (< 200 cows) have rapidly declined, the industry has an increasing number of herds milking more than 1,000 cows. Despite the decline in U.S. dairy herds, milk production has increased from about 170 billion pounds of milk in 2003 to over 220 billion pounds in 2023.

Source : msu.edu

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Do Stress-Resilient Sows Raise Better Piglets? - Dr. Andrea Luttman

Video: Do Stress-Resilient Sows Raise Better Piglets? - Dr. Andrea Luttman?



In this special rerun episode of The Swine it Podcast Show Canada, Dr. Andrea Luttman from Michigan State University explores how gestational social stress affects sow resilience and piglet development. She explains physiological indicators like cortisol patterns, behavioral differences, and their implications for long-term performance. Listen now on all major platforms!

“Resilience to stress means animals are either minimally affected or can recover quickly after experiencing a stressor.”

Meet the guest: Dr. Andrea Luttman / andrea-luttman-47ab74171 is an Assistant Professor at Michigan State University specializing in swine production systems management. She earned her Ph.D. in Genetics and Genome Sciences and focuses her research on swine physiology and stress resilience. Her work examines social stress in gestating sows, offspring development, breeding herd longevity, and gene-environment interactions to improve production efficiency and sustainability. Hear Dr. Luttman on The Swine it Canada Podcast Show, available on all major platforms.