Search: New World Screwworm
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Fewer Mexican Cattle, More Mexican Beef?
California Ag Today
New economic research finds that restricting live cattle imports could benefit U.S. cattle prices, even as competition shifts to the beef market.
Georgia Tightens Screwworm Safeguards Again
Southeast Regional Ag News
Georgia’s response serves as a reminder for Southeast livestock owners to check requirements before moving animals.
Georgia Eases Screwworm Entry Rules
Southeast Regional Ag News
New Mexico animals return to standard entry requirements, while additional restrictions remain for animals coming from Texas.
USDA Sets Quarterly Reviews for New World Screwworm Response
California Ag Today
Livestock producers and industry groups will have regular opportunities to weigh in as APHIS updates its response playbook.
Mexico Cattle Back in US and More Beef Coming
Line on Agriculture
The U.S. border has resumed live cattle imports from Mexico, starting with the Douglas Port in Arizona. The reopening comes after Sonora confirmed its first case of New World screwworm. Additionally, there's a push to lower tariffs on 300,000 metric tons of foreign beef imports to support U.S. farmers and ranchers, as a 14-month closure led to over a million head of cattle remaining in Mexico.
Florida Expands Screwworm Precautions
Southeast Regional Ag News
New Sonora, Mexico detection prompts additional animal movement requirements.
Cattle Industry Prepares for Border Reopening
California Ag Today
USDA’s phased reopening plans move closer as work continues to address the threat of New World screwworm.
FDA Authorizes New Tool Against New World Screwworm
California Ag Today
Emergency authorization allows CLiK Extra wound spray for prevention in livestock and certain wildlife.
Arrest Highlights Florida's Screwworm Crackdown
Southeast Regional Ag News
State says livestock import rules are being strictly enforced to keep New World Screwworm out.
Sterilizing screworms
Idaho Ag Today
A new sterile-fly production plant opened in Metapa de Domínguez, Chiapas, Mexico, on June 27, 2026.
Title: UC Davis Project Funded Through USDA Screwworm Initiative
California Ag Today
New World Screwworm Grand Challenge supports California-led detection research as U.S. cases continue to mount.
Southeast Researchers Join USDA Screwworm Fight
Southeast Regional Ag News
University of Florida, Auburn University, and NCBA are among recipients of funding through USDA's New World Screwworm Grand Challenge.
New World Screwworm Federal Response Continues
Line on Agriculture
USDA Sec. Brooke Rollins visited the Texas ranch that had the first case of NWS in an animal since 1966.
Innovations To Address New World Screwworm
Farm of the Future
Ag Secretary says the USDA is leading a coordinated One Health response to combat New World Screwworm, and says additional innovative solutions are in the works.
New Restrictions Issued as Screwworm Threat Moves Closer
Southeast Regional Ag News
New animal movement requirements are now in place as Florida and Georgia work to prevent New World screwworm from spreading beyond Texas.
Alabama Beef Leaders Sound the Alarm
Southeast Regional Ag News
Industry leaders are urging producers to stay alert for signs of New World screwworm.
New World Screwworm Crosses Border
Line on Agriculture
The first case of New World screwworm has been confirmed in Southern Texas, and the USDA says they are taking aggressive action to prevent further spread.
USDA Response to NWS Case in Texas
Farm of the Future
There has been a confirmed case of New World Screwworm in Texas cattle.
APHIS Strike Team Deployed to South Texas
Farm of the Future
The New World Screwworm has been identified just 25 miles south of the U.S. Mexico border.
More Beef Imports Could Shift Markets
California Ag Today
A proposed policy change is drawing concern from ranchers across rural America.