HARLINGEN, Texas (Border Report) -- Texas officials are urging ranchers and those with livestock to take preventative measures to stop the New World screwworm from infecting herds should the pest cross north of the border.

On Monday, the parasitic fly was reported just 70 miles south of the border in the small town of Sabine Hidalgo in the Mexican border state of Nuevo León .

Mexican President Claudia Sheinbaum on Tuesday said the infected cow has been isolated and quarantined and measures are being taken to stop further infections.

The cow was among 100 that arrived in a shipment from Veracruz and had traveled over 1,000 miles from southern Mexico, according to reports.

"We are managing an isolated case of New World Screwworm in Nuevo León and applying the measures agreed upon just ov

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