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Black stallion at the ERL
Learn about Breeding Stallions

Choosing a stallion to breed with your mare, caring for stallions ready for breeding, and the care and transfer of semen are all important aspects of successful breeding. The CSU Equine Reproduction Laboratory has stallions at stud as well as over 30 years of experience in successful breeding technology.


Breeding with Frozen Semen


Salvaging Sperm

Salvaging Epididymal Sperm -- An Emergency Procedure to Salvage Valuable Genetic Material

The 'Proud-Cut' Gelding

Equine Viral Arteritis

Bleeding at Mating or Semen Collection

Regumate in Stallions

The Last Straw

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

​(970) 491-8626

(970) 491-7005