Beth Robinette walked in among her cattle, leaned forward and mooed. A low, guttural “How are you all doing this morning?” kind of moo. All around her, black cows lifted their heads and, one at a time, they mooed back. “It’s funny, isn’t it?” Robinette said, standing in the pasture that’s been grazed by her family’s cattle for three generations. “They always respond.”