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USDA Secretary Announces Agreement with Mexico on Beef Parasite

Secretary of Agriculture Brooke Rollins announced Monday that Mexico had come to an agreement with the U.S. for handling the New World screwworm. Over the weekend, the USDA secretary threatened to halt beef imports from Mexico if the country did not take more steps to respond to the spread of the New World Screwworm. This screwworm is a deadly parasite that spreads by burrowing into the living flesh of an animal. This parasite has spread to humans in rare cases.

In her letter to her Mexican counterpart, Secretary Rollins wrote, “If these issues are not resolved by Wednesday, April 30, USDA will restrict the importation of animal commodities, which consist of live cattle, bison, and equine originating from or transiting Mexico to protect the interest of the agriculture industry in the United States.”

“Every delay in granting full operational authority and eliminating customs barriers undermines our collective ability to carry out this emergency response,” the USDA secretary added.

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Meet Alfonso Agulair: Zoetis Caregiver Award Winner and Herdsman at Tosh Farms

Video: Meet Alfonso Agulair: Zoetis Caregiver Award Winner and Herdsman at Tosh Farms


At World Pork Expo 2026, Swine Web caught up with Alfonso Agulair, a herdsman with Tosh Farms and one of this year's Zoetis Caregiver Award winners.

Known for his genuine care and dedication, Aguilar helps build a strong team culture while encouraging those around him to continually improve. During this interview, he discusses his journey into the swine industry, the importance of animal care, and what motivates him each day.

Before finding his home in pork production, Aguilar worked in construction. Today, he takes pride in helping provide safe, high-quality food while caring for animals and supporting his team.