Second flesh-eating screwworm infection reported in cattle in Texas
Summary
Texas has reported a second case of the flesh-eating screwworm parasite in cattle, the first cases seen in the US since the 1960s. State and federal officials are taking steps like releasing sterile flies and restricting animal movement to stop the parasite from spreading and harming the cattle industry.Key Facts
- A second infection of the new world screwworm (NWS) was confirmed in Zavala County, Texas, near the first case found in a young calf.
- The screwworm larvae feed on living flesh of animals, causing a painful condition called myiasis.
- Texas and USDA are releasing sterile male screwworm flies to prevent reproduction by wild females.
- Animal movement restrictions are in place to prevent spread of the parasite.
- The US-Mexico border has been closed to live cattle imports for over a year due to the parasite spreading north.
- The US beef industry, valued at $100 billion, has shrunk to its lowest level in 75 years partly because of this issue.
- Canada has temporarily banned livestock imports from Texas to prevent the parasite’s entry.
- Officials say the US food supply is safe since screwworms do not infest meat or crops.
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