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
Wind repowering offers a rare opportunity to renegotiate outdated leases and improve long-term land income for landowners who act early.
Iowa Secretary of Agriculture Mike Naig discusses market conditions, policy priorities, and his outlook for agriculture moving forward.
NEFB President Mark McHargue recaps the Farm Bureau’s Annual Convention, producer sentiment in Nebraska, and discusses key issues facing agriculture.
Congressman Dusty Johnson of South Dakota joined us to discuss key ag policy developments and his outlook for agriculture in 2026.
Tight beef cow supplies and steady demand point to continued record-level cull cow prices in 2026.
A disciplined, breakeven-based marketing plan helps protect margins and reduce risk, even when markets remain unpredictable.

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:

Lily Pryer’s passion shows how National FFA members are making an impact in classrooms and communities all across Rural America.
A look at the legislative year ahead as lawmakers return to Washington with a slate of trade concerns to tackle in 2026—from new Chinese tariffs on beef imports to the USMCA review this summer.
Shaun Haney, Host of RealAg Radio on Rural Radio SiriusXM Channel 147, joined us with his 2026 cattle market outlook and insights on beef prices.
Farmer Bridge Assistance payments provide immediate balance-sheet support heading into 2026, but remain a short-term bridge rather than a substitute for long-term market recovery.
The New Year is here, but in Oregon, some ranchers and livestock producers are still trying to recover from record wildfires back in 2024.
The U.S. Forest Service takes us on the same journey from a tree farm in Nevada across America to experience the magic of Christmas in the U.S. Capitol.
Agriculture Shows
Hosted by Scott “The Cow Guy” Shellady and RFD News Markets Specialist Tony St. James, Commodity Talk delivers expert insight into the day’s ag commodity markets just before the CME opens. Only on RFD-TV and Rural Radio SiriusXM Channel 147.
A look at the news, weather and commodities headlines that drove agriculture markets in the past week.
Everything profits from prairie. Soil, air, water — and all kinds of life! Learn how you can improve your land with prairie restoration, cover crops and prairie strips, while growing your bottom line.
Special 3-part series tells the story of the Claas family’s legacy, which changed agriculture forever.