Add Yahoo as a preferred source to see more of our stories on Google. Have you ever looked at a field full of cows and wondered if they were truly happy? We mean, they seem happy but how do you know?

That’s what many of the cows did as they emerged from a long winter in the barn and leapt to their first taste of clover, dandelions, rye, orchard and fescue grass this season on Sunday. As the cows ...