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