sentences:  The initial recall comprises sixty million units of cuts and gravy-style food in pouches sold under nearly 100 brand names, including premium brands like Iams and private-label brands sold at nationwide chains such as Wal-Mart, Kroger, and other large retailers.While the recalled products represent just 1% of pet foods available in the U.S., the recall is one of the largest in American history.Menu Foods confirms the problem was with the wheat gluten used to thicken and enrich the gravy in the canned and pouched wet food products, and that the medical problems exhibited in test subjects include kidney failure.