Breeding a mare with equine metabolic syndrome presents many possible problems. Dr. Bryant Craig explains. This podcast is from the Equine Life Stages: Stallions and Mares Q&A audio event, sponsored by Merck Animal Health.Breeding a mare with equine metabolic syndrome presents many possible problems. Dr. Bryant Craig explains. This podcast is from the Equine Life Stages: Stallions and Mares Q&A audio event, sponsored by Merck Animal Health.12/16/2014 15:00