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