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Animal Reproduction & Biotechnology Laboratory

​The Animal Reproduction and Biotechnology Laboratory is an interdepartmental program focusing on research, teaching and service in the area of reproductive biology of domestic animals. Faculty of the ARBL include members of three departments in two colleges. The ARBL has been recognized as a Colorado State University Program of Research and Scholarly Excellence since 1989. 

Registration for the 2017 Rocky Mountain Reproductive Sciences Symposium is now open. See flyer for more information.

Applications for National Needs Fellowships are currently being accepted.

The Equine Reproduction Laboratory is a program within the Animal Reproduction and Biotechnology Laboratory. For information on programs specific to equine reproduction, visit their website.

  • Dolly the Sheep
    It's been 20 years since Dolly the sheep became the first mammal successfully cloned from an adult body cell. Dr. George Seidel, a CSU expert in reproductive technology, explains how cloning turbocharges traditional animal breeding.
  • Hanen, bovine, viral, pregnancy
    ​As a young man working on his family ranch, Colorado State University reproductive scientist Thomas “Tod” Hansen checked cattle for pregnancy using conventional rectal palpation – a routine and inexpensive method that can be stressful for cows and physically demanding for technicians. There’s got to be a better way, he thought...
  • reproduction, bison
    As of Nov. 1, 2015, American bison returned to northern Colorado with help from our advanced reproductive technologies. This exciting conservation and restoration project gave a herd of 10 genetically valuable and disease-free animals 1,000 acres to roam and graze.​​​​
  • Bison at soapstone release
    ​​Science and ceremony joined as American bison with distinctive bloodlines returned to the grasslands of northern Colorado. The wildlife conservation project employs CSU reproduction science and is cheered by Native Americans with cultural and spiritual ties to bison.​​
  • horse birth control
    CSU reproduction scientists are working on contraceptive vaccines that could provide safe and humane ways to rein in wild horse populations in the West, reducing the need for controversial roundups and sales.​​​​