AI Article Synopsis
- Japanese native horses, comprising 8 breeds, are at risk of extinction, prompting the use of embryo transfer (ET) to aid in their reproduction.
- The study involved transporting non-cryopreserved embryos from Kiso ponies in Nagano to Hokkaido, covering a distance of 1500 km over 9 hours in controlled conditions.
- Successful transfer resulted in one mare giving birth to a healthy foal, indicating that this method could help increase the population of Japanese native horses.
Article Abstract
Japanese native horses, which consists of 8 breeds, are threatened with extinction. Embryo transfer (ET) is used to reproduce endangered animals in various mammalian species. We aimed to perform ET using native ponies from Kiso and Hokkaido as donors and recipients, respectively. ET operation included long-distance transport of non-cryopreserved embryos from Nagano Prefecture to Hokkaido. Embryos were transported 1500 km over 9 h in a container maintained at 22°C. After transferring two embryos to two recipients, one mare delivered a healthy live foal. These results demonstrated that reciprocal ET with long-distance transportation of fresh embryos between the isolated breeds may allow for the proliferation of Japanese native horses.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10085766 | PMC |
| http://dx.doi.org/10.1262/jrd.2022-125 | DOI Listing |
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