NWS is a deadly parasitic infection that can "kill a full-grown cow within one to two weeks," said NPR. When affected, the ...

Entomologists got rid of screwworms by using nuclear radiation to sterilize millions of male screwworms in a lab, which were ...

New World Screwworm spreads from Mexico, prompting US cattle import ban. This threatens beef supply and could drive prices ...

A flesh-eating parasite known as New World Screwworm is moving closer and closer to the US border in Texas. The devastating ...

The New World Screwworm (NWS, Cochliomyia hominivorax) is a parasitic fly native to the Western Hemisphere. It lays eggs in ...

Try to put eyes on your herd, as much as possible, look out for anything abnormal,” said J. Scott Herod, who owns a ranch and ...

NCBA’s Woodall says the goal is complete eradication — not just from the U.S., but from Mexico and Central America, ...

The Tennessee State Veterinarian is warning livestock owners to keep an eye out for their animals after the New World ...

Mexico's New World Screwworm outbreak halts livestock imports at the southern border as US officials work to prevent the parasitic fly from spreading to American animals.

A small, pale maggot about a half-inch long could cost New Mexico cattle ranchers greatly if it gets back into the country. One of the state's senators introduced new legislation to combat the New ...

The United States is halting imports of livestock from Mexico to protect U.S. livestock from a flesh-eating parasite called the New World Screwworm. The New World Screwworm, or the NWS for short ...

To say the New World Screwworm is a nasty parasite would be an understatement. The flesh-eating scourge that tortures cattle ...