Acta Veterinaria et Zootechnica Sinica ›› 2022, Vol. 53 ›› Issue (8): 2479-2489.doi: 10.11843/j.issn.0366-6964.2022.08.007

• REVIEW • Previous Articles     Next Articles

Mammalian Gametes Cryopreserved and Applied to Technical Strategies for the Protection of Rare and Endangered Animals

GAO Feng1,2,3, HE Qifu1,2,3, WU Shenghui1,2,3, WANG Shaowen1,2,3, XU Xuerui1,2,3, KANG Jian1,2,3, ZHANG Yong1,2,3*, QUAN Fusheng1,2,3*   

  1. 1. College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China;
    2. Key Laboratory of Animal Biotechnology of the Ministry of Agriculture and Rural Affairs, Yangling 712100, China;
    3. Shaanxi Animal Embryo Engineering Technology Research Center, Yangling 712100, China
  • Received:2021-11-29 Online:2022-08-23 Published:2022-08-23

Abstract: The cryopreservation of gametes (sperm and oocytes) is the freezing of gametes under ultra-low temperature conditions, which can be used for long-term preservation of excellent individual livestock and rare and endangered animal germplasm resources. Gamete freezing is an important part of the protection, preservation and utilization of rare and endangered animal germplasm resources, and it is also a key technology for the construction of animal germplasm resources. This article discusses in detail the current research status of domestic and foreign sperm and oocyte cryopreservation and utilization. At the same time, it introduces the research on the damage assessment of gametes after freezing and thawing. The application strategies and recommendations for preservation of gametes of endangered and rare animals are expected to provide references for the construction of my country's livestock biological germplasm resource bank, the protection and development and utilization of livestock germplasm resources, and the protection of rare and endangered animals.

Key words: animal gametes, sperm freezing, oocyte freezing, animal preservation, protection of rare and endangered animals

CLC Number: