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