Great genetics. de Criadores de BLACK JACK. Mex. Registered Beefmaster bull ready to go to work. Very docile. Más como esto. a brown and white cow standing on top of a lush green field. We are excited. Beefmaster Bull Semen Blackjack Guardar. Guardar. DESCRIPTION: 5 straws of black Jack 21 - Purebred Beefmaster - Reg#C Semen Stored at Cottage Farms Genetics. She is bred to MBR Playboy. BULL. . BEEFMASTER. C Jacksboro, Texas 󱝍. BEEFMASTER. For more information, contact Aaron. a herd of cattle grazing on grass in a field. "LA COSTA". She has given us 2 bull calves but the 1 heifer she has given us was a tremendous Black Jack 21 daughter—Queenie. 15 months old. Guardar. Asoc. Beefmaster Bull Semen Blackjack Guardar. "LA COSTA". Más como esto. en el Ganado Beefmaster”.