Since 1948, Casey Beefmasters has become one of the top sources of Beefmaster genetics. Casey Beefmasters is owned and operated by Watt Matthews Casey, D.V.M., his wife, Dosia, and their four children. Watt M. Casey, Jr. is actively involved in ranch operation and shares his ranch and wildlife photography here. Casey Beefmaster Cattle are bred and selected purebred for the Six Essentials as defined by the late Tom Lasater, founder of the Beefmaster Breed: Disposition, Fertility, Weight, Conforma