Food Companies Pledge Not to Use Clones Twenty food companies have told a consumer group that they won't use milk or meat from cloned livestock. The companies, including Smithfield Foods Inc. and Kraft Foods Inc., were responding to a survey conducted by the Center for Food Safety, a consumer group that opposes animal cloning. Polls have shown most consumers are uncomfortable with the idea of eating products from cloned livestock, whether for health, ethical or environmental reasons. At the same time, products from the offspring of cloned animals are trickling into the food supply....