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