Using European Bison Sperm for Artificial Insemination
Author Information
Author(s): Kozdrowski Roland, Niżański Wojciech, Dubiel Andrzej, Olech Wanda
Primary Institution: Wrocław University of Life and Environmental Science
Hypothesis
Are epididymal spermatozoa collected post-mortem from European bison suitable for cryopreservation and artificial insemination?
Conclusion
This study successfully demonstrated that frozen-thawed European bison spermatozoa can lead to pregnancies in domestic cattle.
Supporting Evidence
- Motility of fresh spermatozoa from bull 2 was 90%.
- Two pregnancies were achieved in heifers after artificial insemination.
- One pregnancy resulted in a premature labor after 253 days.
Takeaway
Scientists found a way to use sperm from dead European bison to help make baby cows, which is important for saving the bison species.
Methodology
Sperm was collected post-mortem from two European bison bulls, processed, cryopreserved, and then used for artificial insemination in domestic cattle.
Limitations
Spermatozoa can only be collected once from each male, and the quality may vary significantly.
Participant Demographics
Two European bison bulls aged 8 and 11 years, and 30 cows and 9 heifers of domestic cattle.
Digital Object Identifier (DOI)
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