Large Animal Reproduction

The equine veterinarians of the University of Florida Large Animal Reproduction Service are dedicated to providing complete equine breeding and reproductive care for your mares and stallions. Our patients come from the Gainesville, Ocala, Jacksonville, and surrounding Florida areas, although we work with clients from all over the world.

Contact us to schedule an appointment or an on-farm consultation for equine or large animal reproduction cases to discuss the many options available for your Florida-bred horses. For beef and dairy cattle herds, please see FARMS.

Click here for information about our on-farm services.

Basic Breeding 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 Breeding Services for Mares

Basic Breeding 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 Breeding Services for Stallions

Equine Breeding Facilities

    Hydraulic height-adjustable phantom mare
  • Full-service laboratory
  • USDA-approved semen collection & distribution center
  • Barn designated for stallions
  • Liquid nitrogen semen storage
  • Basic and intensive care facilities for foaling and high-risk pregnancies
  • View more UF Large Animal Hospital facilities

Forms & Information

Equine & Foaling Informational Links

Our Team

Eduardo Arroyo

Eduardo Arroyo DVM, MSc., DACT

Clinical Assistant Professor
Maria E Cadario

Maria E Cadario

Clinical Professor
Audrey A Kelleman

Audrey A Kelleman DVM, DACT

Clinical Associate Professor; Residency Coordinator
Luis H de Aguiar

Luis H de Aguiar PhD

Clinical Associate Professor
Sofia Kovacsy Ispizua

Sofia Kovacsy Ispizua DVM, MSc.

Clinical Lecturer
Liane Dillon

Liane Dillon

Veterinary Hospital Assistant Manager – Reproduction

Residents and Interns

Joy Russolillo

Joy Russolillo DVM

Susanne M Benson

Susanne M Benson

Biological Scientist

More Information

The UF Large Animal Hospital veterinarians treat equine and large animal patients from 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.

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As part of both the Institute of Food and Agricultural Sciences and UF Health, Veterinary Medicine is dedicated to advancing animal, human and environmental health through teaching, research, extension and patient care.

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Animal Hospitals

Need animal care? Visit the UF Small Animal and Large Animal Hospitals. From dogs, cats, birds and exotics to horses, cattle, llamas, pigs and many other large farm or food animals, our experienced veterinary staff is ready to assist.


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