SID is not only a very special bull because of his exceptional bloodline, which differs greatly from the currently prevailing lines, but also because of the high lifetime production on the mother's side (M. Tabea LL: 106,437 kgM 4.17 F 3.94 E - GM Orlanda LL: 120,929kgM 4.42 F 3.97 E) he stands out. The hereditary profile promises very balanced animals with a high production disposition and good fitness, which is now clearly underlined by his calved daughters. The course of birth is rated as very favorable both paternally and maternally at 116 and 114 respectively. In addition, there is the unusual aAa code 654, as well as the casein variants A2/A2 and BB.