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Integrated Research at USDFRC
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Expanding Dairy Forage Research

October 2023 – Forage Foundations Article

Dennis Hancock, PhD. | Center Director, USDA-ARS’s U.S. Dairy Forage Research Center

Since 1979, the U.S. Dairy Forage Research Center (USDFRC) has contributed much to the foundational research and development that has underpinned the changes observed in the dairy industry in the more than four decades hence. Scientists at USDFRC have authored or co-authored over 40 reference books used in classrooms and on the shelves of practitioners, nutritionists, crop consultants, and veterinarians. Those books and countless management guides have been informed by the results published in over 4000 publications in our Center’s first 40 years. Additionally, our scientists have released over 30 grass or legume cultivars, 10 decision aids, and numerous other products/processes patented to ensure public benefit. Our hope is to see that progress continues at an ever-increasing rate.

Our mission at the USDFRC is to focus on the integrated nature of the dairy system. Every dairy producer can tell you that virtually every aspect of the dairy enterprise interacts with another aspect. Linked like a spider’s web, even a small change to one aspect can have cascading effects on other aspects. This is why our research attempts to examine these interactions with scientists from multiple disciplines. Our research is conducted in 5-year plans. Within the last two years, all eight of our research accounts have revised their 5-year plans and each were reviewed by university colleagues and industry experts. As a collective, we work on 32 primary research topics, which are depicted in the graphic below.

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While several of our research endeavors continue to refine our collective understanding of basic processes (e.g., impacts of cell wall architecture on forage digestibility, roles of endemic microbes on silage fermentation, functions of specific strains of microbes in the rumen, ration development strategies that are more efficient in utilizing protein, etc.), we have taken on several new research topics in our new research plans. Here are some highlights:

In addition to these new research directions, we will soon break ground on a new research dairy to replace our 43-year-old dairy in Prairie du Sac. This new facility will allow us to do research relevant to Automated Milking Systems, as well as more advanced trials in conventional freestalls and conducting individualized trials in the tiestalls of an Advanced Animal Nutrition unit. Further, we will be able to conduct detail greenhouse gas emissions studies in the metabolic chambers of the Animal Emissions unit, as well as basic physiology work in a new young stock barn. We anticipate construction to begin in the spring of 2024 and finished by the end of 2026 or early 2027. To read more about the new research dairy development please visit our website at New Research Dairy Updates : USDA ARS

If you are interested in learning more about our efforts on these highlighted research endeavors, our continuing efforts on other research topics, or our plans and progress on building our new world-class research facility, visit our website at or