ABS has gathered data on the females in production out of ABS Sire Alliance Sires for many years. In 2013 we have included this data reporting as part of the program. The Maternal Profit index looks at lifetime value differences of a bull’s daughters. It is a guide to balancing all economically important traits if you are retaining heifers. Traits measured include: Milk, Heifer Pregnancy and Cow Stayability data in addition to performance, efficiency, and carcass merit.
Top 30 Maternal Index ABS Sires pdf
Top 30 ABS Maternal Index Sires