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New World screwworm detections in Mexico prompt renewed focus on border safeguards

New World screwworm has continued its move northward.

Buck Wehrbein is the president of the National Cattlemen’s Beef Association. “We’re certainly afraid it’s going to get here,” he says.  “And that’s going to be a hardship on our producers along the border, without a doubt.”

Last week, Mexico confirmed eight new cases of New World screwworm in the state of Tamaulipas, which borders Texas.

Wehrbein tells Brownfield, “The ones that are tied to movement, that’s a little frustrating because they’re supposed to be inspecting them and that shouldn’t happen.”  However, he says, “The ones that are popping up that are less identifiable where they came from, that of course is more concerning.”

He says there is a case to be made that it’s time to reopen the border to at least some live cattle imports from Mexico. “The protocols are such that it’s not going to come through cattle crossing the border,” he says. 

Wehrbein says if the pest is detected in the U.S., there are more tools available to combat it. “We eradicated it back in the 60s with the sterile fly technique, and we can do that again,” he says.  “Plus, we have some more products that help. Wo we can take care of this, but it’s going to be a tough, long slog to get it done.”

Last week the USDA announced the New World screwworm Grand Challenge to drive innovation to combat NWS and further prevent its northward spread. 

As part of the challenge, USDA’s Animal and Plant Health Inspection Service will make up to $100 million available to support innovative projects that enhance sterile NWS fly production, strengthen preparedness, and response strategies, and safeguard U.S. agriculture, animal health, and trade.

Brownfield interviewed Wehrbein during the recent Missouri Cattlemen’s Association’s Annual Meeting.

AUDIO: Buck Wehrbein, NCBA president