Kroger is the latest grocery chain to say it will no longer buy ground beef containing the filler known as “pink slime.” The name is applied to lean finely textured ground beef. Critics say the product–treated with ammonia and made from low quality scraps–is not as nutritious as pure ground beef. Safeway had backed away from it, earlier. It‘s fully approved by the USDA for both safety and quality. But the grocery chain based in Cincinnati says customers didn‘t like the sound of it.