Vaccine Grant Targeted New World Screwworm Parasite
A new research project aims to protect livestock from a fatal parasite by developing a protective cattle vaccine.
Updated on Oct. 14, 2026 in Veterinary Medicine
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The Foundation for Food & Agriculture Research and Medgene have awarded a $499,996 grant to develop and test a vaccine against the New World screwworm. This parasite, which completes its life cycle in just 15 days, poses a significant threat to livestock health by feeding on living tissue.
Why it matters
New World screwworm infestations can prove fatal to animals within 7 to 14 days, threatening a livestock industry that accounts for over $100 billion in U.S. economic activity. The vaccine aims to safeguard herds and augment existing pest-control efforts.
The $499,996 grant supports the development of a vaccine targeting proteins required for the development of screwworm larvae. Female flies are capable of laying up to 400 eggs at a time, creating a rapid infection risk for livestock.
The players
Foundation for Food & Agriculture Research
Established under the 2014 farm bill, this organization funds scientific research to bolster the stability of the U.S. food supply and agricultural industry.
Medgene
A biotechnology firm that develops vaccine platforms intended to protect animal health and livestock productivity.
The details
Researchers are utilizing a production platform to vaccinate cattle and analyze their subsequent immune responses. By identifying the specific proteins required for larval feeding and maturation, the team aims to block the parasite's ability to thrive. This potential vaccine would complement current sterile insect release programs, which remain a primary method for managing fly populations.
Timeline
2014: The Foundation for Food & Agriculture Research was established under the farm bill.
15 days: The parasite completes its full life cycle.
7 to 14 days: The timeframe in which an untreated infestation can become fatal.
The Home Front
This research follows a pattern of agricultural investment and development initiated by the 2014 farm bill. These efforts remain critical for maintaining the stability of the broader U.S. livestock industry.
Livestock owners should maintain strict biosecurity protocols and contact a licensed veterinarian immediately if they observe signs of maggot-infested wounds on their animals. Monitoring herd health and reporting unusual parasite activity to local agricultural authorities remains the best defense.
The takeaway
This development marks a new attempt to mitigate the economic impact of parasitic infestations on the agricultural sector. Producers should continue to track animal health and consult with a veterinarian regarding ongoing parasite management and vaccination options as they become available.
Further reading
Learn more about the latest innovations in animal health by visiting our Veterinary Medicine section.
Source note: This article includes information reported by Feedstuffs.
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