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