Concerns about the New World screwworm have put Texas pet adoptions on hold
Summary
Texas has stopped most pet adoptions that involve moving dogs and cats out of the state because of a parasite called the New World screwworm. This insect, which harms animals by laying eggs that turn into flesh-eating larvae, has reappeared in the U.S. after 60 years, causing shelters to become crowded and increasing the risk that animals may be put down.Key Facts
- The New World screwworm parasite has returned to Texas after 60 years, coming from Mexico.
- The parasite can infect many mammals, including dogs and cats, by laying eggs that hatch into larvae inside wounds.
- Federal officials have closed the border to cattle to protect the $113 billion U.S. beef industry.
- Forty-four states have limited or banned moving pets out of the affected Texas areas to prevent the parasite’s spread.
- This has caused overcrowding in Texas animal shelters, which usually send many animals to other states for adoption.
- Some shelters have had to increase space for animals or face the possibility of euthanizing them due to lack of room.
- In 2025, Texas transferred the most unadopted dogs and cats to other states but also euthanized more animals than any other state.
- Restrictions and delays in moving pets out of Texas impact animal rescue efforts across the country.
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