S-Space College of Agriculture and Life Sciences (농업생명과학대학) Dept. of Food and Animal Biotechnology (식품·동물생명공학부) Journal Papers (저널논문_식품·동물생명공학부)
Cryopreservation of KOREAN OGE Chicken semen using N-Methylacetamide
- Lee, Hong Jo; Kim, Sung Kyu; Jang, Hyun-Jun; Kang, Kyung Soo; Kim, Jae-Hwan; Choi, Seong-Bok; Han, Jae Yong
- Issue Date
- Cryo Letters
- Cryo Letters, vol.33 no.6, pp. 427-434
- The importance of genetic resource preservation has been highlighted in the literature as a means of maintaining genetic diversity. Among the various methods of preserving such resources, semen cryopreservation can be advantageous because it reduces the time of restoring genetic resources and is less technique-dependent. The Korean Oge (KO) chicken is a Natural Monument and is recognized as an important genetic resource in Korea. However, successful cryopreservation methods for KO chickens have yet to be reported. Therefore, we completed cryopreservation methods in KO chickens using N-methylacetamide (MA) as a cryoprotectant. Also we performed additional experiments to identify whether fertility and hatchability are affected by long-term storage. Finally, we examined sperm viability in the cryopreserved semen. Our results suggest that the cryopreservation method using MA can be applied to KO chickens regardless of storage period and could be a useful tool for the preservation the endangered avian species.
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