Screwworm Threat Prompts Heightened Biosecurity as Experts Urge Vigilance

Dr. Rosslyn Biggs with the Oklahoma State University Center for Rural Veterinary Medicine shares insight into biosecurity, preparedness, and animal health concerns facing livestock producers as New World screwworm outbreaks continue in Mexico.

STILLWATER, Okla. (RFD-TV)Recent detections of New World screwworm in Mexico have prompted heightened biosecurity measures across the livestock industry, with producers urged to remain alert and prepared forpotential outbreaks.

Dr. Rosslyn Biggs with the Oklahoma State University Center for Rural Veterinary Medicine joined us on Wednesday’s Market Day Report to discuss the situation and outline what producers should know moving forward.

In her interview with RFD-TV News, Dr. Biggs emphasized that early detection is critical for New World screwworm. She explained how producers can take a proactive approach and highlighted key signs in livestock to watch for that could indicate the deadly parasitic infection spread by flies.

Biggs also emphasized the importance of staying informed and vigilant as the situation develops, noting that OSU is working to ensure producers have access to timely information and resources, and outlined the first steps producers should take if they believe they are encountering an outbreak New World screwworm.

Additionally, Biggs stressed that establishing a relationship with a veterinarian before an emergency occurs is essential, noting that preparation and communication can make a significant difference during a disease response.

Finally, Dr. Biggs also shared her outlook for the year ahead on the rural veterinarian shortage and its potential implications for animal health and protection in rural communities.

Related Stories
Lawmakers and experts react to the Administration’s long-awaited announcement of “bridge” aid to stabilize farms and offset 2025 losses until expanded safety-net programs begin in 2026.
Joe Peiffer with Ag & Business Legal Strategies advises farmers on end-of-year financial planning, including preparing records, avoiding common credit mistakes, and evaluating equipment purchases for 2026.
Eastern Region VP Joey Nowotny of Delaware joins us on FFA Today to talk about his new leadership role and an exciting year ahead for the National FFA Organization.
Cattle imports from Mexico remain stalled amid the New World screwworm outbreak. At the same time, Tyson closures add pressure on Nebraska producers and markets ahead of the USDA’s upcoming Cattle on Feed Report.

Marion is a digital content manager for RFD News and FarmHER + RanchHER. She started working for Rural Media Group in May 2022, bringing a decade of digital experience in broadcast media and some cooking experience to the team.

LATEST STORIES BY THIS AUTHOR:

“I’m not sure where this bridge goes,” trader Brady Huck with Advanced Trading told RFD-TV News earlier this week.
CoBank’s 2026 Year Ahead Report cites global grain oversupply, easing inflation, rate cuts, and major data center growth that could reshape rural America.
Plan for sharp, short-term volatility after unexpected outages; permanent closures rarely trigger major price spread disruptions.
American Farm Bureau Federation (AFBF) economist Danny Munch joined us on Thursday’s Market Day Report to break down the scope of the U.S. Christmas Tree industry and what growers are up against.
Canadian tariffs would raise costs for potash, ammonia, and UAN, increasing spring fertilizer risk.
Lewis Williamson with HTS Commodities breaks down the outlook on grain storage and domestic supply chain strength as producers weigh planting decisions with forthcoming federal aid.
Agriculture Shows
Special 3-part series tells the story of the Claas family’s legacy, which changed agriculture forever.
From soil to harvest. Top Crop is an all-new series about four of the best farmers in the world—Dan Luepkes, of Oregan, Illinois; Cory Atley, of Cedarville, Ohio; Shelby Fite, of Jackson Center, Ohio; Russell Hedrick, of Hickory, North Carolina—reveals what it takes for them to make a profitable crop. It all starts with good soil, patience, and a strong planter setup.
Champions of Rural America is a half-hour dive into the legislative priorities for Rural America. Join us as we interview members of the Congressional Western Caucus to learn about efforts in Washington to preserve agriculture and tackles the most important topics in the ag industry on Champions of Rural America!
Featuring members of Congress, federal and state officials, ag and food leaders, farmers, and roundtable panelists for debates and discussions.