Flies are proving to be a big problem for livestock in the foothills this summer because of California's drought, and it's also a potentially serious health risk. Skip to content NOWCAST KCRA 3 ...

The United States has taken emergency action to suspend livestock imports from northern Mexico after detecting the alarming spread of the New World Screwworm fly, a parasitic insect that poses a ...

A flesh-eating parasitic fly is invading North and Central America. The consequences could be severe for the cattle industry, but this parasite is not picky—it will infest a wide range of hosts ...

Thousands of head of cattle are imported across the Arizona-Sonora border every week, about 300,000 every year. Over half are brokered and sold to Eastern feedlots, but the rest stay in the state.

That’s the New World screwworm, a parasite that can kill livestock and occasionally infest humans. ... The New World screwworm fly is an insect that’s native to the Western Hemisphere.

Livestock owners should monitor their animals for signs of horse fly infestations. Traps can help, but animals should be moved from areas with horse flies to protect them from these persistent ...