Dog among 2 new screwworm cases; Canada blocks Texas livestock imports (opens original article in a new tab)

The USDA confirmed two new cases of New World screwworm, including a dog in New Mexico, leading Canada to block Texas livestock imports to prevent spread.

• USDA confirmed two new screwworm cases, a calf in La Salle County and a dog in New Mexico.
• Canada banned livestock imports from Texas to prevent the parasite's spread.
• Sterile fly dispersal and quarantine zones are part of the response to control the outbreak.