Undercover video appears to show workers mistreating cows . Central Valley Meat Co. says it tries to exceed federal regulations . The USDA cites violations of humane handling but no violations of food safety . Score: 7
Undercover video appears to show workers mistreating cows . Central Valley Meat Co. says it tries to exceed federal regulations . The USDA cites violations of humane handling but no violations of food safety . An advocacy group says many cows suffered slow and agonizing deaths .