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Take Necessary Precautions Hauling Manure

The presence of the Porcine Epidemic Diarrhea virus (PEDv) in South Dakota and region requires producers, manure haulers and land owners to cooperatively work together to reduce the risk of disease spread during the manure application season, explained Erin Cortus, Assistant Professor & SDSU Extension Environmental Quality Engineer.

"Biosecurity measures during the manure hauling season are not new to pork producers, but it never hurts to take a fresh look at procedures on your operation, especially in light of new and ongoing research," said Cortus. "Heat and time combinations can deactivate the virus, and limiting exposure can help reduce the risk of spreading this virus."

What research says

Ongoing research by Dr. S Goyal at University of Minnesota titled Environmental stability of PEDv has shown PEDv can survive in slurry for 14 days at room temperature, which is 77 degrees Fahrenheit. At storage temperatures of -4 degrees Fahrenheit and 39 degrees Fahrenheit, the virus was still alive after 28 days.

Fresh fecal material stored at temperatures of 104 degrees Fahrenheit to 140 degrees Fahrenheit and relative humidity between 30 percent and 70 percent survived for up to seven days. A deactivation period of seven days at room temperature was also measured by Iowa State University Researchers.

Another separate study titled, Evaluation of time and temperature sufficient to kill PEDv in swine feces on metal surfaces, provides more research data to work with.

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Evolution of Beef Cattle Farming

Video: Evolution of Beef Cattle Farming

The Clear Conversations podcast took to the road for a special episode recorded in Nashville during CattleCon, bringing listeners straight into the heart of the cattle industry. Host Tracy Sellers welcomed rancher Steve Wooten of Beatty Canyon Ranch in Colorado for a wide-ranging discussion that blended family history and sustainability, particularly as it relates to the future of beef production.

Sustainability emerged as a central theme of the conversation, a word that Wooten acknowledges can mean very different things depending on who you ask. For him, sustainability starts with the soil. Healthy soil produces healthy grass, which supports efficient cattle capable of producing year after year with minimal external inputs. It’s an approach that equally considers vegetation, animal efficiency, and long-term profitability.

That philosophy aligned naturally with Wooten’s involvement in the U.S. Roundtable for Sustainable Beef, where he served as a representative for the Colorado Cattlemen’s Association. The roundtable brings together the entire beef supply chain—from producers to retailers—along with universities, NGOs, and allied industries. Its goal is not regulation, Wooten emphasized, but collaboration, shared learning, and continuous improvement.