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Additional Screwworm Infections Identified in Texas Cattle

The United States Department of Agriculture has recently verified the occurrence of two further screwworm infestations among livestock in Texas. This confirmation intensifies ongoing concerns within the agricultural community regarding parasite control.

6/23/2026, 1:00:55 AM

The United States Department of Agriculture (USDA) has announced the detection of two more instances of screwworm in Texas cattle. This development, reported by Investing.com, marks an increase in the number of confirmed cases of the parasitic fly larvae affecting livestock in the region. The agency stated that these new cases were identified in the latter part of the previous month. The specific locations involved are Hidalgo County and La Salle County, situated in South Texas. These areas are now under increased scrutiny as agricultural officials work to understand the extent of the infestation. Screwworms pose a significant threat to animal health, as their larvae feed on the living tissue of warm-blooded animals. This can lead to severe wounds, secondary infections, and, if left untreated, can be fatal to the affected animals. The economic impact on ranches can be substantial due to production losses and treatment costs. Following the discovery, the USDA has initiated standard protocols for managing such outbreaks. This typically involves quarantine measures for affected animals, close monitoring of livestock in the vicinity, and the application of treatments to prevent further spread. Local ranchers are being advised to remain vigilant and report any suspicious symptoms in their herds immediately. The presence of screwworms in Texas has been a recurrent issue, with previous outbreaks prompting coordinated efforts by state and federal agricultural bodies to eradicate the pest. These efforts often include surveillance, public awareness campaigns, and sometimes the release of sterile flies to disrupt the reproductive cycle of the screwworm. Authorities are emphasizing the importance of community cooperation in controlling this pest. Ranchers and pet owners alike are encouraged to inspect their animals regularly for any signs of wounds or larvae and to contact veterinary services or agricultural extension offices if they suspect an infection. The early detection and reporting of cases are crucial in containing outbreaks and protecting both individual herds and the broader livestock industry.

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