Texas officials have confirmed the first case of screwworm infestation in the United States since the 1960s after the parasite was detected in a calf in South Texas. The discovery has prompted an emergency response in the nation's largest cattle-producing state.

Screwworms are flesh-eating parasites that can infest livestock and other warm-blooded animals. The parasite had been effectively eliminated from the United States decades ago, making this detection particularly significant for agricultural officials.

Texas Governor Greg Abbott has expressed concern about the state's capacity to respond to the infestation. He is pushing to accelerate the timeline for a planned fly-breeding facility that would produce sterilized flies as part of the control strategy. The facility is not currently expected to begin operations for more than a year.

The standard approach to combat screwworm populations involves releasing large numbers of sterilized flies, which can cause local populations to crash. However, the United States currently has limited capacity to produce the sterilized flies needed for this type of population control program.

Veterinary experts are monitoring the situation closely, as the detection represents a potential threat to livestock across Texas. Officials have launched an aggressive effort to prevent the parasite from spreading further throughout the state's cattle industry.