Osnabrueck Herdbook Cooperative (OHG) is one of the leading cattle breeding organizations in Europe, specializing in the breeding and genetic improvement of Holstein cows. With over 90% of cows registered in the herdbook and genomically tested, OHG has established itself as a premier source of top-tier dairy cattle genetics. The cooperative provides artificial insemination services, organizes livestock auctions, and offers breeding and fertility management services, including biotechnology solutions like embryo transfer.