Carissa Koopmann Rivers specializes in raising Red Angus cattle on her Livermore, Calif., ranch.

The American Angus Association requires breeders to submit yearling cattle temperament scores. Temperament: Gentle nature, ...

Howard Rambur started his herd as a youngster with two crossbred Charolais heifers and a purebred Charolais bull. “I got a small loan from the local bank and was on my way to having my purebred ...