Flesh-Eating Screwworms Now Officially Terrorizing Nicaragua Too
Published Date: 1/16/2025
Notice
Summary
Nicaragua has officially joined the list of places affected by screwworm, a pesky pest that can harm animals like horses, cows, pigs, and dogs. Starting March 29, 2024, animals coming from Nicaragua will need special checks, treatments, and sometimes quarantine before entering the U.S. This helps keep our livestock safe and sound without breaking the bank or causing delays.
Analyzed Economic Effects
4 provisions identified: 0 benefits, 4 costs, 0 mixed.
Nicaragua added to screwworm list
Nicaragua was added to the APHIS list of regions affected with screwworm effective March 29, 2024. That change means animals from Nicaragua are now subject to APHIS import restrictions described in 9 CFR part 93.
Horses face 7‑day quarantine and checks
Horses imported from Nicaragua must have pre-embarkation and post-arrival inspection and treatment, be quarantined in the United States for 7 days after arrival, and be examined by a veterinarian before release from quarantine (see 9 CFR 93.308(a)(3)), effective March 29, 2024.
Ruminants and swine subject to inspection and treatment
Ruminants and swine imported from Nicaragua must be inspected and, if necessary, treated for screwworm under the conditions in 9 CFR 93.405(a)(3) and 93.505(b); these requirements are the same as for horses except they do not include the 7-day U.S. quarantine and final examination, effective March 29, 2024.
Dogs must be inspected and treated before import
Dogs imported from Nicaragua must be inspected and, if necessary, treated for screwworm before importation under 9 CFR 93.600, effective March 29, 2024.
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