06/04/2026
It finally crossed the border.
While this is not a beef food safety concern it can have a significant impact on livestock with wounds that become affected.
Let’s all become educated and stay vigilant to do our part in defeating this pest again.
Screwworm larvae (maggots) burrow into a wound, feeding as they go like a screw driving into wood. The maggots cause extensive damage by tearing at the hosts’ tissue with sharp mouth hooks. The wound becomes deeper and larger as more maggots hatch and feed on living tissue.