US EditionTexas Standard for May 8, 2025: Dangerous livestock pest could be making comeback in US
- USDA officials are intensifying efforts in 2025 to stop the New World Screwworm, a deadly maggot, from returning to U.S. Livestock areas near the southern border.
- Rising NWS cases in southern Mexico since 2023 and restrictions on USDA aircraft hinder early containment, prompting U.S. Secretary Brooke Rollins to negotiate operational flights with Mexico.
- The pest, known for burrowing wounds with sharp hooks, causes fatal damage to livestock, wildlife, and pets, and has previously caused outbreaks such as the 2016 Florida Keys event and a 1976 infestation affecting over 1.4 million cattle.
- Rollins described the pest as a serious challenge to the economies of both countries and highlighted the collaborative efforts between the U.S. And Mexico to safeguard the livelihoods of ranchers and the agricultural sector.
- Continued collaboration and sterile fly releases form the biological barrier in Central America and Mexico, aiming to prevent NWS spread into the U.S. And safeguard livestock health.
14 Articles
14 Articles
Texas Standard for May 8, 2025: Dangerous livestock pest could be making comeback in US
A dangerous livestock pest, the new world screwworm, may be making a comeback in the U.S., and experts say Mexico hasn’t been cooperating to stop it. Texas ranchers recently raised the alarm with Agriculture Secretary Brooke Rollins.
Ultimatum to Mexico on Infected Cows
The possible outbreak could harm US cattle herds. Department of Agriculture Secretary Brooke Rollins dispatched a sharp letter to Mexican authorities on April 26, threatening to halt some imports of cows, horses, and bison as early as April 30 unless Mexico cooperated in stopping a potential infestation of New World screwworm (NWS). Critics who object ... Read more Source
Health confirms the second human case of myasis by sweeping worm in Mexico: symptoms and risk to the population
The Ministry of Health of Mexico has confirmed a second human case of myasis by worm sweeper, a parasitic disease caused by the larvae of the cochliomyia hominivorax fly. Both cases have been detected in the state of Chiapas, in the south of the country. The plague of the worm sweeper especially affects livestock and historically has caused significant economic losses in the livestock industry. Continue reading
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ecnetnews.comSecond case of screwworm confirmed in a human in Mexico
Through a statement, the Ministry of Health confirmed the second case of worm sweeper in a human in Mexico during 2025; it is a 50-year-old man, resident of the municipality of Tuzantán, Chiapas, according to the health authority, the contagion occurred after the bite of a dog at the bottom of the left leg.It should be noted that on March 18 the first case of worm sweeper was recorded in a 77-year-old woman residing in the municipality of Acacoy…
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