According to their website, the target is to ensure that by 2030, all of their beef in America and Canada "will be sourced from suppliers that prohibit the routine use of medically important antibiotics". This is a part of Wendy's commitment to sourcing beef responsibly - a long-standing mission that dates back to 2001, when they set up the Animal Welfare Council.
Togyushi sources its wagyu from Zao Farm, based in Japan's Yamagata prefecture. The ranch raises female cattle, which are fed locally sourced rice, straw, sake lees, and water, per its website, lending the high grade of the lean meat, which is subtly sweet, marbled, and tender. At the restaurant, each cut is presented to guests in a handcrafted wooden box with a birth certificate at the beginning of the meal.
We're the largest user of beef from the Four Sixes Ranch probably in the United States. Cattlemen's also uses beef from the Four Sixes, and it's honestly some of the best beef I've had in my life.