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mare and foal
Equine Reproduction Laboratory

The Equine Reproduction Laboratory is part of the Animal Reproduction and Biotechnology Laboratory in the College of Veterinary Medicine and Biomedical Sciences at Colorado State University. The CSU Equine Reproduction Program has developed leading-edge equine reproduction techniques for the equine industry for over 45 years.

Techniques such as collection of semen and artificial insemination, recovery and transfer of equine embryos, shipping cooled semen, and shipping cooled embryos are now routine in the equine industry, due in large part to the research, education, and outreach efforts of the CSU Equine Reproduction Laboratory.

The Equine Reproduction Laboratory collaborates with other Colorado State equine programs including the CSU Equine Orthopaedic Research Center, Equine Services at the Veterinary Teaching Hospital, and the CSU Equine Sciences Program.​​


 ERL News

  • ERL stallion auction
    Join us for the 20th Annual CSU Stallion Auction, Jan. 2-16, 2019. The online stallion service auction benefits both the CSU Equine Reproduction Laboratory and the Equine Orthopaedic Research Center. Breedings are available for purchase, starting at 50% of the advertised stud fee. Click here for more information about the auction.
  • Original Cowboy breeding contract
    The ERL is pleased to announce our 2019 Stallion Roster with the additions of Original Cowboy, Paid For This Face, Irish Pay, Blue Fox Hancock, Driftwood Sensation and Mr Junewood. Click here to learn more about the stallions and download your mare breeding contract today.
  • foal formulary
    The goal of the Formulary and Protocols guide is to provide veterinarians and veterinary students with medication doses and therapeutic protocols used at Colorado State University's Equine Reproduction Laboratory. Click here to order and view other education materials produced by the CSU ERL.

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 Administrative Contacts


Dr. Chris Kawcak​
Director, Equine Reproduction Lab
Iron Rose Ranch Chair in Equine Musculoskeletal Disease and Injury

Dr. Patrick McCue
Iron Rose Ranch Chair in Equine Reproduction & ​Senior ERL Clinical Veterinarian

Dr. Thomas R (Tod) Hansen
Traubert Professor & ARBL Director

Ms. Kay Gallatin
ARBL/ERL Business Manager

Ms. Lin​dsay Bass
ERL Office Manager & Client Coordinator

Equine Reproduction Laboratory
ERL Giving Fund
Contact Us:
​3101 Rampart Road
Fort Collins, Colorado 80523-1693

​(970) 491-8626

(970) 491-7005