And what do the USDA’s comments about pushing the pest out of Mexico say about the future of agricultural diplomacy between the United States and Mexico? A full USDA inspection is the thorough inspection conducted by Animal and Plant Health Inspection Service veterinarians and animal health technicians at southern border ports offices. Rebuilding agricultural diplomacyA cautious step toward rebuilding a strained U.S.-Mexico agricultural diplomatic relationship is happening through the phased reopening of southern border ports. In agricultural diplomacy, day-to-day collaboration to protect animal health and facilitate trade is at the forefront. Along the United States border, USDA APHIS Mounted Patrol Inspectors are the first line of defense in biosecurity.