Screwworms Threaten US-Canada Livestock Trade

Summary

Canada just slapped a temporary ban on Texas livestock after discovering flesh-eating screwworms in calves — any animals that entered Texas within 21 days are now off-limits. The U.S. confirmed a second case, prompting Texas Governor Greg Abbott to declare a state of disaster, calling it an “imminent threat” to the state’s vital beef industry. This invasi…

Show notes

Canada just slapped a temporary ban on Texas livestock after discovering flesh-eating screwworms in calves — any animals that entered Texas within 21 days are now off-limits. The U.S. confirmed a second case, prompting Texas Governor Greg Abbott to declare a state of disaster, calling it an “imminent threat” to the state’s vital beef industry. This invasive fly lays eggs in open wounds, and its larvae feed on living tissue — potentially fatal if untreated. It’s the first major U.S. outbreak in y

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