. . . "at wolves would devastate their calves and other livestock, while another said her family???s cow-calf operation uses nonlethal means to ward off predators.???We need to work together to have a management plan so that all of the animals can survive,??? said Lou Mora, president of the Humboldt-Del Norte Cattlemen???s Association. ???If we list the wolf, we lose the ability to manage our properties." .