Colored Breeds Specialist Catalog - August 2025

Strength, consistency and diversity continue for the STgenetics Colored Breeds lineup in the August 2025 Colored Breeds Specialist Catalog!

With 10 Jersey Sires over 150 JPI, 5 Brown Swiss Sires over 120 PPR along with a diverse lineup of Ayrshire, Guernsey and Milking Shorthorn sires - STgenetics has a complete and balanced offering to take your genetic threshold to the next level!

STgenetics colored breeds sires are available in Ultraplus™ or Ultraplus High Purity™, the most innovative and fertile female-sorted semen, offering unrestricted progress opportunity!