Oliver A. Ryder

1 month ago | mdpi.com | Ben Novak |Oliver A. Ryder |Marlys L. Houck |Kelcey Walker

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

2 months ago | mdpi.com | Ben Novak |Oliver A. Ryder |Marlys L. Houck |Kelcey Walker

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

Sep 28, 2023 | iucn.org | Oliver A. Ryder

In 1980, the cells of a male Przewalski’s horse (Equus przewalskii) living at the Minnesota Zoo were stored in San Diego Zoo Wildlife Alliance’s cryobank, the Frozen Zoo®. The cells would remain frozen — dormant, but alive — for more than 40 years, all the while sustaining hope for recovery of a species that was once extinct in the wild. The prescient effort to bank these cells was rewarded in 2021 with the birth of a foal named Kurt, a clone generated from the cells stored in the Frozen Zoo®.