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