• Mr. JS 507 has proven himself to be an outstanding sire. 507 is one of the most consistent bulls for producing uniform offspring. 507 is an athletic type bull that works well on all types of cows. His calves are all long sided, level topped, adequate boned, structurally correct, with muscle expression throughout. His heifers are extremely feminine fronted, and his bulls have exceptional scrotal development. Mr. JS 507 is bred in the purple, he is sired by JDH Bryan Manso 270 and his dam is Ms V8 370/5, a Mr. V8 702 daughter. 507 progeny are sure to be an asset in every herd.