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
A Southern mac and cheese recipe that cuts like a casserole? Yes, please! The extra cheese is optional, but your family will thank you for it.
Paula Deen’s legendary Not Yo’ Mama’s Banana Pudding is an irresistible, easy, no-bake dessert recipe topped with decadent Chessmen butter cookies and a dollop of homemade whipped cream.
A Southern comfort classic! Justin Wilson’s Cheesy Hamburger Grits blend beef, cheddar, and bold seasoning for a hearty, flavorful meal.

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:

Understanding the Big, Beautiful Bill’s complex impact on SNAP benefits – that’s the topic of today’s Firm to Farm blog post by RFD-TV’s legal expert, Roger McEowen.
National Sorghum Producers CEO Tim Lust said farmers face a challenging year with strong supply, murky trade conditions, and uncertain access to their largest market: China.
RFD-TV Markets Expert Tony St. James breaks down the state of agribusiness and harvest progress across the U.S. for the week of Monday, September 15, 2025.
Missouri Cattle RanchHER Alda Owen joined us on Monday’s Market Day Report to talk about the all-new episode of FarmHER + RanchHER, which premieres on Thursday, Sept. 19!
U.S. trade talks with China resume, but meat industry leaders say dealing with shifting demand and market uncertainty is nothing new in this side of the ag sector.
Tariffs are pushing up input costs, with fertilizer prices rising $100 per ton and machinery costs climbing due to steel and parts duties.
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.