Dossier
cattle herd
Coverage of cattle herd in the Nexus archive.
- Flesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd
The New World screwworm fly, absent from the U.S. for 60 years, has returned and is threatening cattle herds. The fly is described as flesh-eating, posing a risk to livestock.
- Deadly Screwworm Parasite Found in US Threatens Cattle Herd
A deadly screwworm parasite has been found in the US, posing a threat to cattle herds. The discovery raises concerns about potential impacts on livestock health.