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