New World Screwworm

As New World screwworm (NWS) continues to make news headlines, it’s important to be aware of your herd’s risk level and be prepared to implement additional monitoring and biosecurity measures …

The National Cattlemen’s Beef Association (NCBA) today announced its 2026 policy priorities following approval by the organization’s Executive Committee at CattleCon 2026. NCBA’s focus centers on policies that directly impact …

The U.S. Food and Drug Administration conditionally approved Dectomax-CA1 (doramectin injection) injectable solution for the prevention and treatment of New World screwworm larval infestations, and prevention of NWS reinfestation for …

Cases of New World screwworm infections in Mexico have climbed by more than 50 percent since July. As of August 17, Reuters said Mexico has documented 5,086 cases of the …

The first case of New World screwworm (NWS) was confirmed in a human in Maryland by the Centers for Disease Control (CDC) in coordination with the Maryland Department of Health. …

U.S. Secretary of Agriculture Brooke Rollins announced on Friday an $850 million investment to keep New World screwworm (NWS) out of the country. Previously, a sterile fly distribution facility was …

Mexico’s National Service of Agro-Alimentary Health, Safety, and Quality (SENASICA) reported a new case of New World Screwworm (NWS) in Ixhuatlan de Madero, Veracruz in Mexico, which is approximately 160 …

Progress has been made in critical areas of Mexico following the border closing due to the northern spread of New World screwworm (NWS). That led U.S. Secretary of Agriculture Brooke …

U.S. Secretary of Agriculture Brooke L. Rollins this morning launched an $8.5 million sterile New World screwworm (NWS) fly dispersal facility in South Texas and announced a sweeping five-pronged plan …

 In a formal letter to the U.S. Food and Drug Administration’s Center for Veterinary Medicine (CVM), R-CALF USA’s Animal Health Committee called for swift approval to add ivermectin as an …