U.S. halts cattle imports from Mexico, citing screwworm unfold : NPR

[ad_1] <img src="https://npr.brightspotcdn.com/dims3/default/strip/false/crop/1278x719+0+0/resize/1100/quality/50/format/jpeg/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F9e%2Fbb%2Ff9a262444eeca0d66a708cad35ab%2Fnew-world-screwworm.jpeg" data-template="https://npr.brightspotcdn.com/dims3/default/strip/false/crop/1278x719+0+0/resize/{width}/quality/{quality}/format/{format}/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F9e%2Fbb%2Ff9a262444eeca0d66a708cad35ab%2Fnew-world-screwworm.jpeg" class="img" alt="" fetchpriority="high"/> The New World screwworm is endemic in elements of Latin America and the Caribbean — and its northward unfold into Mexico has alarmed U.S. officers. USDA disguise caption

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USDA Considerations over a flesh-eating parasite have led U.S. officers to halt all imports of dwell cattle, horses and bison throughout the Southern border.

Agriculture Secretary Brooke Rollins made the choice on Sunday, citing the northward unfold of the New World screwworm, which has been detected in southern Mexico within the final yr.

"The safety of our animals and security of our nation's meals provide is a nationwide safety concern of the utmost significance," Rollins stated in a press release.

"This isn't about politics or punishment of Mexico, relatively it's about meals and animal security," she stated.

New World screwworms are fly larvae that burrow right into a wound or mucous membranes of animals and hardly ever people.

The maggots feast on the flesh and blood of their host with tiny mouth hooks. Left untreated, the parasitic an infection can kill a full-grown cow inside one to 2 weeks.

Efforts to eliminate the pest return many many years.

In actual fact, the united statesand Mexico have been in a position to eradicate the New World screwworm within the Sixties and '70s by releasing a whole bunch of hundreds of thousands of sterile grownup flies that will mate with the females — finally stopping them from laying viable eggs.

This technique helped create a "barrier zone" that stored the pest from encroaching into the U.S. and Mexico, although circumstances would nonetheless pop up once in a while.

In 1976, an outbreak in Texas affected greater than 1.4 million cattle and a whole bunch of hundreds of sheep and goats. If such an outbreak have been to happen now, it is estimated that will value the Texas economic system $1.8 billion, in response to a USDA evaluation.

The potential fallout is why agricultural officers are so alarmed that the pest has made a comeback in the previous few years.

Instances have surged in elements of Central America and at the moment are being detected in some "distant farms" in Mexico about 700 miles from the united statesborder, the USDA stated on Sunday.

Consequently, the U.S. shut down dwell animal commerce on the border in November. That was lifted in February after the united statesand Mexico agreed on new measures to maintain the parasite at bay.

The brand new ban will proceed on a "month-by-month foundation, till a big window of containment is achieved," in response to the USDA.

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U.S. halts cattle imports from Mexico, citing screwworm unfold : NPR

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