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multi oocytes
Shipped Oocytes for ICSI


 More Information


​Oocytes can be collected by a veterinarian located closer to your mare and shipped to the Equine Reproduction Laboratory (ERL) ART program for sperm injection (ICSI). Your attending veterinarian will package the collected oocytes in a special medium, and arrange for transport to our facility.  It is important to note that our lab will accept shipped oocytes Monday through Friday (preovulatory oocytes) and Monday through Thursday (immature oocytes). The veterinarian managing your mare should stay in contact with our front office staff to ensure proper timing, stallion/semen selection, handling and shipping of the oocytes.

Oocytes are cultured in an incubator until mature enough to undergo the sperm injection process (ICSI). This can take anywhere from 12-30 hours depending on oocyte maturity. Any embryos that develop after ICSI can be:

  • Vitrified (frozen),
  • Transferred into CSU ERL managed recipient mares or
  • Shipped to another embryo transfer facility of your choice. 

If you do elect to have embryos transferred at another facility, we will need that information at the time the oocytes arrive to ensure we can communicate properly with the facility for recipient mare management.

Shipping Address (Fed-Ex or UPS First Overnight)
CSU Equine Reproduction Laboratory
Attn: ART
3101 Rampart Road
Fort Collins, CO 80521
Phone: (970) 491-8626
Fax: (970) 491-7005
Email: (for tracking information)
ERL Giving Fund
Contact Us:
​3101 Rampart Road
Fort Collins, Colorado 80523-1693

​(970) 491-8626

(970) 491-7005