Reproduction
The equine veterinarians of the UF Large Animal Hospital Reproduction Service provide complete horse and large animal breeding and reproductive care to the Gainesville, Ocala, Jacksonville, and surrounding Florida areas, although our patients come from all over the United States. The UF reproduction veterinarians and support staff handle basic and advanced large animal reproductive procedures and specialize in:
- Evaluation and breeding management of the problem mare
- Management of high-risk pregnancies
- Advanced stallion evaluation
The service is available 24 hours a day, seven days a week, and for on-farm breeding and reproductive examinations and consultations in all species of large animals. For beef and dairy cattle herds, please see FARMS.
Basic Reproductive Services for Mares
- Breeding management using fresh, cooled, or frozen semen
- Pregnancy diagnosis
- Twin reduction by manual crush
- Infertility evaluation and treatment
- Evaluation of endometrial biopsies
- Diagnosis and removal of ovarian and uterine tumors
- Management of retained placentas and other peripartum conditions
- Live-cover management
- Venereal disease testing
Advanced Reproductive Services for Mares
- Treatment and breeding management of the problem mare
- Management of high-risk pregnancies
- Deep horn insemination
- Diagnosis and removal of uterine cysts
- Endoscopic evaluation of the uterus (hysteroscopy)
- Embryo transfer
- Embryo freezing
- Oocyte aspiration (egg retrieval) and transfer
- Management of advanced twin pregnancies with ultrasound guidance
- Dystocia management
- Reproductive surgeries
Basic Reproductive Services for Stallions
- Fertility evaluation
- Semen collection and evaluation, including:
- Cooling trial in multiple semen extenders
- Sperm morphology
- Semen collection for shipment
- Stallion training for semen collection
- Semen freezing
- Frozen semen storage and management
- Ultrasonographic evaluation of the male genitalia
Advanced Reproductive Services for Stallions
- Advanced stallion evaluation
- Management of ejaculatory failure
- Ultrasonographic evaluation of the internal reproductive tract
- Endoscopic evaluation of the internal tract (urethroscopy)
- Testicular biopsy
Equine Reproduction Facilities
Hydraulic height-adjustable phantom mare- Full-service laboratory
- USDA-approved semen collection & distribution center
- Liquid nitrogen semen storage
- Basic and intensive care facilities for foaling and high-risk pregnancies
- View more UF Large Animal Hospital facilities

From left: Ms. Liane Dillon, Dr. Audrey Kelleman, Dr. Erin Runcan, Dr. Margo Mapherson, Dr. Malgorzata Pozor, Ms. Susanne Benson
Large Animal Reproduction Faculty and Staff
- Margo Macpherson, DVM, MS, DACT, Associate Professor, Service Chief
- Malgorzata Pozor, DVM, PhD, DACT, Assistant Professor
- Audrey Kelleman, DVM, DACT, Clinical Faculty
- Erin Runcan, DVM, Resident
- Liane Dillon, Reproduction Service Veterinary Technician
- Susanne Benson, Biological Scientist
Forms & Information
Schedule an appointment
Emergencies
Client Reviews
The UF Large Animal Hospital veterinarians treat equine and large animal patients in the Gainesville, Ocala and Jacksonville areas, including Alachua and Marion Counties in Florida, and our clients come from all over the United States. Contact us to speak to one of our specialists or to make an appointment.