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A sterile male screwworm fly is numbered to study fly dispersal. (USDA photo via PBS) |
Despite focused efforts to prevent the flesh-eating New World screwworm parasite from entering the U.S., a human case of screwworm was confirmed on Sunday. The parasite was "detected in a person in Maryland who returned to the U.S. after traveling to El Salvador, according to the Department of Health and Human Services," reports Rebecca Falconer of Axios.
While the HHS does not consider screwworms a significant threat to humans, American livestock farmers and the U.S. Department of Agriculture are preparing for the parasite. Cassandra Garrison, Tom Polansek and Leah Douglas of Reuters report, "Industry cattle ranchers, beef producers and livestock traders [are] already on high alert for potential U.S. infestations as screwworm has moved northward from Central America and southern Mexico."
Since November, the USDA has worked with Mexico to contain the aggressive parasite from nearing the U.S.-Mexico border, including closing cattle trade ports and having massive sterile fly releases. Last week, USDA Secretary Brooke Rollins announced plans to build a sterile fly facility in Texas to combat screwworm infestations.
Most experts believe that Texas is the most likely place for screwworms to enter the country. Reuters reports, "The USDA has estimated a screwworm outbreak could cost the economy in Texas, the biggest U.S. cattle-producing state, about $1.8 billion in livestock deaths, labor costs and medication expenses."
For a more in-depth explanation of screwworms, click here.
from The Rural Blog https://ift.tt/xIz1Mtg Texas cattle owners remain on 'high alert' as a human infection of New World screwworm is confirmed - Entrepreneur Generations
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