US Closes Border to Mexican Cattle Due to Screwworm Infestation

**Screwworm Infestation Closes US-Mexico Cattle Border** The recent outbreak of the New World screwworm fly (Cochliomyia hominivorax) in Mexico has led to the United States closing its southern border to Mexican cattle. This pest, which can cause severe myiasis in livestock, has resulted in significant economic losses for Mexican ranchers. The Jalisco Livestock Union warned of the pest six months prior to the US border closure. "We warned the Secretary of Agriculture six months ago," stated Jose Antonio Ruelas, president of the Jalisco Livestock Union, in an interview with La Cronica newspaper. Ruelas described how he learned of the pest's advance through Central America during a trip to Colombia, and subsequently alerted authorities. The video shows the devastating effects on cattle and the economic impact on the Mexican livestock industry. The closure of the border has caused significant disruptions to trade and is a major concern for both countries. The situation highlights the importance of effective pest control and international cooperation in addressing such threats. While the US has taken steps to halt the spread, concerns remain. Abel Ayala, President of the Regional Livestock Union of Coahuila, noted that current measures may be insufficient, and the pest continues to spread. The situation underscores the need for increased vigilance and a coordinated response from both governments to address the issue effectively and prevent further spread.