Overview

• Mexico verified a New World screwworm infection in Sabinas Hidalgo, Nuevo León, less than 70 miles from Texas, involving an 8-month-old cow moved from a southern region with active cases to a certified feedlot near the Monterrey–Laredo corridor.
• Mexican authorities activated emergency controls and described the detection as an isolated case found at an early larval stage, saying the animal was treated and quarantined under binational response measures.
• The United States continues to suspend imports of cattle, bison and horses from Mexico and reports that roughly 8,000 traps and more than 13,000 screening samples along the border states have yielded no screwworm detections on U.S. soil.
• USDA is expanding sterile-insect operations, building a dispersal facility in Edinburg, Texas, and planning larger production capacity, while coordinating with Mexican counterparts on surveillance and control.
• Officials warn the parasite’s establishment in U.S. herds could trigger major losses, with estimates reaching $1 billion for Texas cattle and up to $3.7 billion across the broader economy, and they urge prompt reporting of suspected animal infestations.