David Riddle and his Associate Instructor, Tina Lewis, teach 1 to 5-day private trainings covering Reproductive Management, Fresh Semen Collection & Evaluation, Cooled Semen, Utilizing Frozen Semen, Freezing Stallion Semen, Equine Embryo Transfer, Uterine Flushing, Deep Horn Insemination and Reproductive Ultrasound Workshops. These schools are directed toward the horse breeder who would like to gain the skills necessary to successfully breed and manage both their own and their client's horses (Ultrasound is for private use only).