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Reproduction

New Bolton Center, reproduction

New Bolton Center's Section of Reproduction & Behavior provides comprehensive reproductive services for mares and stallions.

Based at the Georgia and Philip Hofmann Research Center for Animal Reproduction, the section’s clinicians have extensive clinical experience enhanced by the latest in research and technology.

The section provides a wide range of reproductive services, from natural breeding to advanced assisted reproductive techniques like embryo transfer. Stallions are a specialty, and the section has extensive experience in dealing with male fertility and behavior problems. The equine behavior service is considered one of the best in the world. The section’s faculty members are board certified by the American College of Theriogenologists.

The Georgia and Philip Hofmann Center for Animal Reproduction at Penn Vet’s New Bolton Center offers a full range of embryo transfer services. Clients can choose to use one of Hofmann Center’s resident recipient mares or provide their own recipient mare. We accept embryos transported from other facilities and recover embryos for domestic transport. Embryo vitrification is available upon request. 

Follow Our Foal!

Our foal, New Bolton Pioneer, or Boone for short, is growing up. And you can follow his journey...



At New Bolton Center, reproduction specialists work closely with board certified surgeons and internists to provide comprehensive care for dystocias and other reproductive emergencies. The section’s ongoing basic and applied research contributes to the advancement of the theriogenology specialty.

Providing service to the North American animal industries is the Reference Andrology Laboratory. This laboratory provides complete testing of semen from mammalian and avian species which serves as an aid to practitioners working on reproductive issues.

New Bolton Center’s High-Risk Pregnancy Program manages the mare that may have problems with foaling. The ICU is equipped with a specially modified ECG telemetry unit used to monitor and record up to eight fetal heart rates simultaneously without disturbing the mares. Stalls housing the pregnant mares are equipped with low light cameras to monitor signs of labor in a natural setting.

Our team includes five board certified specialists in reproduction or behavior, working in collaboration with sports medicine and imaging, medicine, and surgery colleagues at New Bolton Center, to offer a comprehensive approach to case management.

Faculty/Clinicians
  Name Title Area(s) of Specialty
Gary Althouse Gary Althouse, DVM, PhD, DACT
  • Marion Dilley and David George Jones Chair in Animal Reproduction
  • Professor and Chairman, Department of Clinical Studies, New Bolton Center
  • Andrology
  • Comparative Theriogenology
  • Regenerative medicine
  • Swine production
  • Theriogenology
  • Ultrasonography 
Tamara Dobbie Tamara Dobbie, DVM, DACT
  • Director, Hofmann Center
  • Staff Veterinarian, Large Animal Reproduction
  • Reproduction
Sue McDonnell, Penn Vet, behavior
Sue McDonnell, MS, PhD, CAAB, HMACT
  • Adjunct Professor, Reproductive Behavior
Tom Parsons, Penn Vet, New Bolton Center, swine Thomas D. Parsons, VMD, PhD
  • Director, Swine Teaching & Research Unit
  • Associate Professor of Swine Production Medicine, Department of Clinical Studies – New Bolton Center
  • Secondary Appointment - Associate Professor of Otorhinolaryngology: Head and Neck Surgery 
  • Swine production
  • Neurotransmitter release–auditory system
  • Synaptic mechanisms in auditory system
  • Swine health 
Ines Rodriguez Ines Rodriguez, MS, VMD
  • Staff Veterinarian, Swine Production
  • Swine health
  • Swine production
  • Swine well-being
Patricia Sertich Patricia Sertich, VMD, DACT
 
  • Associate Professor, Large Animal Reproduction
  • Reproduction
  • Mare reproduction
  • Stallion reproduction
  • High-risk pregnancy in mares
  • Mare infertility
Regina Turner Regina Turner, VMD, DACT
  • Associate Professor, Reproduction
  • Interim Section Chief, Reproduction & Behavior
  • Reproduction
Penn Vet, Dr. Jenn Linton, ReproductionJennifer Linton, VMD
  • Resident
  • Reproduction
 Dr. James Myers, Reproduction James Myers, DVM
  • Resident
  • Reproduction

New Bolton Center, reproductionEquine Breeding Services include:

  • Breeding by Natural Cover
  • Semen Collection, Evaluation & Chilled Transport
  • Semen Freezing
  • Mare Cycle Management
  • Artificial Insemination
  • Mare & Stallion Breeding Soundness Examinations
  • Mare & Stallion Infertility Examinations & Therapy
  • Embryo Transfer with Recipient Herd
  • Reproduction-Related Performance Problems

Resources for Our Clients

Specialty Service in Stallion Handling & Behavior:

  • Starting & Re-schooling Stallions for Breeding
  • Dummy Mount Training - Ground Semen Collection
  • Assisting Disabled & Aging Stallions
  • Evaluation & Therapy for Libido, Erection & Ejaculation Dysfunction

Residency: Theriogenology

If you hold a VMD, DVM, or equivalent degree, you can apply for a two-year residency in large animal theriogenology.

Download instructions on how to apply (PDF)...