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Tag Archives screwworm


Animal health worker Eduardo Lugo treats the wounds of a cow as Chihuahua ranchers intensify surveillance for the screwworm after the U.S. suspended cattle imports following the detection of the parasite in southern Mexico, at the Chihuahua Regional Livestock Union, in Nuevo Palomas, Mexico May 16, 2025. Photo: Reuters/Jose Luis Gonzalez
Beef cattle, Livestock, News, Reuters

USDA to build Texas facility to fight flesh-eating screwworm

Sterile flys to keep infection out of U.S.

By Leah Douglas, Reuters, Tom Polansek August 15, 2025
The U.S. Department of Agriculture will spend up to $750 million to build a sterile fly production facility in Texas to fight the flesh-eating livestock pest New World screwworm, USDA Secretary Brooke Rollins said on Friday, Aug. 15.

Animal health worker Eduardo Lugo treats the wounds of a cow as Chihuahua ranchers intensify surveillance for the screwworm after the U.S. suspended cattle imports following the detection of the parasite in southern Mexico, at the Chihuahua Regional Livestock Union, in Nuevo Palomas, Mexico May 16, 2025. Photo: Reuters/Jose Luis Gonzalez
Livestock, Markets, Reuters

U.S. again halts cattle imports from Mexico over flesh-eating screwworms

By Reuters, Tom Polansek July 10, 2025
The flesh-eating livestock pest New World screwworm has advanced closer to the U.S. border with Mexico, the U.S. Department of Agriculture said, prompting Washington to block imports of Mexican cattle just days after it allowed them to resume at a port of entry in Arizona.


Photo: Clinton Austin/Getty Images Plus
Livestock, Reuters

Mexico to open sterile fly plant to combat screwworm in 2026

By Reuters July 7, 2025
Mexico's government said on Monday that it has started to build a $51 million (C$69.8 million) facility in the country's south as part of an effort to combat screwworm, a pest that has disrupted Mexican exports of cattle to the United States.

Cattle at a feedlot near North Platte, Nebraska. (AndrewLinscott/iStock/Getty Images)
Beef cattle, Livestock, Reuters

USDA announces phased reopening of Mexican cattle imports after screwworm closure

By Karl Plume, Reuters June 30, 2025
The U.S. Department of Agriculture announced on Monday a phased reopening of cattle, bison and equine imports from Mexico following a prolonged closure over the damaging pest New World screwworm.


Cattle at a feedlot near North Platte, Nebraska. (AndrewLinscott/iStock/Getty Images)
Livestock, News, Reuters

USDA plans sterile fly facility in Texas to combat screwworm

By Leah Douglas, Reuters June 18, 2025
U.S. Agriculture Secretary Brooke Rollins announced plans on Wednesday to open a sterile fly dispersal facility in Hidalgo County, Texas, as part of the country's effort to fight the encroachment of New World screwworm.

 Photo: Canada Beef
Livestock, Reuters

USDA mission to travel to Mexico with eye toward lifting cattle import suspension, Mexico says

By Reuters May 28, 2025
A mission representing the U.S. Department of Agriculture (USDA) will travel to Mexico in the coming days, Mexico's agriculture ministry said on Tuesday, and could then lift its suspension of Mexican cattle imports.


Photo: Tomazl/Getty Images Plus
Livestock, News

Changing spread, prevalence of animal diseases causes new challenges for food, agriculture

World Organization for Animal Health releases State of World’s Animal Health report ahead of general session

By Phil Franz-Warkentin May 28, 2025
Animal health is a critical component of public health, food security and economic stability in an increasingly interconnected world, says the World Organisation for Animal Health (WOAH) in its inaugural report.

FILE PHOTO – U.S. agriculture secretary Brooke Rollins speaks to the media at the Commodity Classic in Denver. Photo: Robert Arnason
Livestock, News, Reuters

U.S. suspends Mexican cattle, horse and bison imports over New World screwworm

By Reuters May 12, 2025
U.S. Agriculture Secretary Brooke Rollins on Sunday said she is suspending imports of live cattle, horses and bison through the southern U.S. border over the damaging pest New World screwworm, a measure that immediately drew opposition from Mexico.


Photo: Geralyn Wichers
Livestock, Reuters

US and Mexico have reached agreement on New World screwworm, Ag Secretary Rollins says

US said on Saturday it could restrict Mexican livestock imports over screwworm worry

By Reuters April 28, 2025
President Donald Trump's administration warned on Saturday that it will restrict livestock imports from Mexico if that country's government does not intensify its fight against a damaging pest called New World screwworm.

Throughout history, barbed wire has been important in protecting range rights.  Photo: Jacqueline Nix/iStock/Getty Images Plus
Livestock, Reuters

US will allow Mexican beef imports to resume, says Mexican minister

By Reuters February 1, 2025
The United States will permit Mexican beef imports to resume after signing memorandums to lift a temporary suspension, Mexico's agriculture chief wrote in a post on social media site X on Saturday.


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