Tag: screwworm

USDA Reopens Douglas Border Crossing for Mexican Cattle with Strict New World Screwworm Protocols

Following a closure of more than one year driven by New World screwworm (NWS) concerns, the United States border has reopened to live cattle imports from Mexico. USDA Under Secretary for Marketing and Regulatory Programs Dudley Hoskins recently led a delegation to the port in Douglas, Arizona, alongside Acting Chief Veterinary Officer Alan Huddleston, to …

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First U.S. Horse Infested with Screwworm in Texas: What Oklahoma Ranchers and Horse Owners Must Know

Federal and state animal health officials have confirmed the first equine case of New World screwworm (Cochliomyia hominivorax) in the United States this century. The detection, officially verified by the USDA Animal and Plant Health Inspection Service (APHIS) on September 9, 2026, involved a working ranch horse in Presidio County, Texas, marking a significant escalation …

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USDA Researchers Advance Sterile Insect Technique with Male-Only “NovoFly” Strain

According to reporting by Rod Bain for the U.S. Department of Agriculture in Washington, D.C., scientists are making significant strides in modernizing the Sterile Insect Technique (SIT)—a biological control method that has formed the backbone of New World screwworm eradication across the United States and the North American continent since the 1950s and 1960s. The …

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New World Screwworm Cases Decline, But OSU Entomologist Urges Livestock Producers to Stay Vigilant

In today’s Beef Buzz, senior farm and ranch broadcaster Ron Hays features comments from Dr. Jonathan Cammack, entomologist with Oklahoma State University Extension, about the latest developments surrounding New World screwworm and what livestock producers can do to help protect their animals as the threat continues. Sterile Flies Key to Screwworm Eradication Cammack discussed New …

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USDA Details New World Screwworm Protocol for Mexican Cattle Entering the U.S.

As Mexican live cattle begin crossing into the United States through Douglas, Arizona, after months of enhanced New World screwworm prevention measures, USDA is outlining the animal health protocol cattle must complete before entering the country. The details were provided by USDA Acting Chief Veterinary Officer Alan Huddleston and Rod Bain of the U.S. Department …

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Millions Available to Fight New World Screwworm

A total of $105 million is now available to fund 40 research and innovation projects aimed at strengthening the nation’s defenses against the New World screwworm. USDA’s Rod Bain says that, according to Agriculture Under Secretary for Marketing and Regulatory Programs Dudley Hoskins, the funding represents the culmination of an expedited review process designed to …

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Derrell Peel and David Anderson Talk Economic Impacts of New World Screwworm to US Cattlemen

In today’s Beef Buzz, senior farm and ranch broadcaster Ron Hays features comments from two leading beef cattle economists, Dr. Derrell Peel and Dr. David Anderson, about the economic unknowns surrounding the spread of New World Screwworm and what it could mean for the U.S. cattle industry. Dr. Peel and Dr. Anderson discussed a wide range of key industry issues during …

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New World Screwworm Moves Closer to Oklahoma as Producers Urged to Prepare

In today’s Beef Buzz, senior farm and ranch broadcaster Ron Hays speaks with Michael Kelsey, Executive Vice President of the Oklahoma Cattlemen’s Association, about the growing threat of New World Screwworm as confirmed cases continue moving north through Texas, raising concerns for cattle producers in Oklahoma. With 16 total cases now confirmed and 13 still …

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Merck Introduces New Tool in Fight Against New World Screwworm

In today’s Beef Buzz, senior farm and ranch broadcaster Ron Hays speaks with John Hutcheson, with Merck Animal Health, who discusses a newly available product designed to help cattle producers combat the threat of New World Screwworm. The prescription pour-on product, Exzolt Cattle CA1, offers both treatment and prevention against screwworm infestations, giving producers another …

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Ben Hale Says Oklahoma Cattle Markets Stay Strong Despite New World Screwworm Concerns

On Tuesdays, Senior Farm and Ranch Broadcaster Ron Hays visits with Ben Hale of Western Livestock Auctions as he talks about the latest in the markets and more. Established in 1995, Western has grown into a multi-generational family-owned and operated business and stands as a symbol of tradition, excellence, and a deep-rooted passion for the …

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