LatinNews Daily - 07 October 2025

*Mexico’s agriculture ministry (Sader) and the national service for agrifood health, safety, and quality (Senasica) have announced the detection of a new case of the new world screwworm (NWS) in Montemorelos, in the northern border state of Nuevo León. In a joint statement, Sader and Senasica said the NWS larvae detected were already dead or dying as a result of the application of mandatory treatments. They noted that the infected calf had been part of a shipment of 85 cattle from the south-east of the country and that no other animal was affected. Sader and Senasica stressed that the case was not linked to another NWS detection in Nuevo León, which was made in the municipality of Sabinas Hidalgo on 21 September. The NWS outbreak has prompted the US government to close the border to Mexican livestock imports. In a social media post, US Secretary of Agriculture Brooke Rollins said it was believed to be “an isolated incident”, noting it was some 100 miles (160km) further south of the previously detected case in Sabinas Hidalgo. She added that the US “will have boots on the ground within hours to independently verify the situation”.

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