NWS is 90 miles from the US border, and Texas ports stay shut

Foto Juan Manuel Garro

By: Juan Manuel Garro

On: Thursday, April 23, 2026 5:30 PM

A US-Mexico cattle border crossing in the Southern US with cattle inspection facilities representing the USDA strategy to potentially reopen the Douglas Arizona port while keeping Texas ports closed due to New World Screwworm cases 90 miles away in Nuevo Leon
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Mexico cattle border reopening 2026 is moving closer but Texas ports remain off the table for now, according to Agriculture Secretary Brooke Rollins speaking in Texas on April 17. Rollins was direct about the timeline: “The New World screwworm is only around 200 miles from this border, so there will not be a port opening in Texas until that significantly pushes back.” She added that USDA has never been in a better position to lay out a path forward, and said an announcement would come as soon as a decision is made. The remarks reinforce a strategy built around geography as much as preparedness.

But data presented just two days earlier at a National Cattlemen’s Beef Association webinar on April 15 put the situation in sharper focus. Sigrid Johannes, NCBA’s Senior Executive Director of Government Affairs, reported that the nearest confirmed NWS case is in Nuevo León — approximately 90 miles from the U.S. border. The case was initially identified in a dog with an advanced larval infection. Mexican authorities subsequently confirmed an additional active case in a calf in the same region. That puts the outbreak significantly closer than the 200-mile figure Rollins cited publicly.

Mexico cattle border reopening 2026 strategy puts Arizona’s Douglas port first in line

The geographic gap between the Texas and Arizona situations is substantial. While the outbreak is roughly 90 miles from the Texas border, Rollins said the nearest case to the Douglas, Arizona port and nearby New Mexico crossings remains approximately 800 miles away. That distance is driving USDA toward a phased, risk-based reopening strategy that treats entry points differently depending on proximity to the outbreak. Arizona ports — particularly Douglas — are increasingly viewed as the leading candidates for the first controlled reopening, subject to strict biosecurity safeguards and testing requirements at the border. Any cattle that enter under a reopening scenario would be tested, and the cautious approach is expected to limit the initial volume significantly.

The scale of the outbreak in Mexico makes the caution understandable. Johannes told NCBA webinar attendees that Mexico has recorded more than 20,000 total NWS cases since the outbreak crossed from Guatemala, with approximately 1,240 cases still active at the time of the briefing. The parasite has infected cattle, horses, pets, wildlife, birds, and humans — a host range that underscores how quickly and broadly it can establish itself in a new area. For more on how the border closure has already affected U.S. cattle supply, Agroinformacion covered how the year-long closure has removed 1.2 million head of Mexican feeder cattle from Southern feedlot pipelines.

What a phased border reopening would mean for the US cattle market

The border has been closed for approximately one year. Mexico typically supplies about 62 percent of all U.S. live cattle imports — lightweight feeder cattle destined for stocker and feedlot operations in the South and Southwest. The absence of those imports has contributed directly to the record cattle prices now visible across futures and cash markets, with April live cattle futures topping $253.60 and Northern cash trade clearing $250 per hundredweight for the first time in history. A reopening of even one port, even under strict volume limits, would send a supply signal to a market that has been running on fumes for a year. The original analysis was published by Ag Bull on April 17, 2026.

Foto Juan Manuel Garro

Juan Manuel Garro

I am the director of agroinformacion.com. I earned my degree in Information Sciences from the University of the Basque Country in 1983. After holding several positions in Bilbao, I joined Jerez Información in 1990, where I served as director for 15 years, and later spent two years as director of Cádiz Información. In late 2016, I took over agroinformacion.com, a website that has since become the leading digital reference for the agricultural sector nationwide, surpassing 20 million visits in 2023 and reaching 5.8 million unique users.