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
Imported lean beef continues to play a critical role in U.S. hamburger and ground-beef production, with any added volume from Argentina serving as a supplement — not a market overhaul.
A fast-moving series of trade signals from the White House and key partners is resetting the near-term outlook for U.S. agriculture.
Stay alert for trade announcements—especially border reopening timelines, tariff threats, and developments in Brazil’s export flows.
Margin Protection and the new MCO add county-level margin tools — with earlier price discovery, input cost triggers, and high subsidy rates — to complement on-farm risk plans for 2026.

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:

NEFB President Mark McHargue provides an update from the Husker State, where farmers are working hard to bring in one of the largest harvests in recent years.
Todd Miller, CEO of Head Honchos, shares about his business offering to ease agricultural labor shortages.
The National FFA Organization hosts the Washington Leadership Conference, where thousands of FFA members gather to learn how to be change makers in their communities.
Having a good read on fuel prices is a must during harvest, but one analyst says grain farmers should also be watching the crude oil markets.
National Farmers Union (NFU) President Rob Larew discusses the urgent need for aid as farm families face mounting input costs and long-term market uncertainty.
Bradley Roy was the youngest angler to compete in a Bassmaster Elite Series event. Now, he’s prepping to hit the water with MLF Hall of Famer Greg “The Rooster” Vinson in the Team Series Patriot Cup.
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.