Custom Semen Collection ServicesState of the art semen collection, processing, storage and shipping for the livestock and whitetail industries.
Welcome to Great Lakes Sire Service
Established in 1995, Great Lakes Sire Service (GLSS) offers custom semen cyropreservation for beef, dairy, cervidae, and ovine species. GLSS began in 1995 as a mobile lab providing strictly on-farm collection and freezing services.
Today we have grown to a permanent facility that can safely house and handle bulls of all sizes. Our services have expanded to include breeding soundness evaluations, semen collection & processing as well as semen storage & shipments worldwide.