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A clone of the endangered Przewalski's horse is born of DNA saved for 40 years

September 12, 2020. Summarized by summa-bot.

A cloned colt born at a Texas veterinary facility, in partnership with the San Diego Zoo, could revive the endangered Przewalski's horse.

(CNN)A cloned colt born at a Texas veterinary facility could revive the endangered Przewalski's horse.

The colt is a clone of a male Przewalski's horse and the first successful cloning of the species, San Diego Zoo officials said in a news release on September 4.

Scientists said that the horse was formally extinct in the wild, and has been surviving for the last 40 years primarily in zoos.

"This birth expands the opportunity for genetic rescue of endangered wild species," said Ryan Phelan, executive director of Revive & Restore, a wildlife conservation organization promoting biotechnologies that's partnering with San Diego Zoo Global and ViaGen Equine on the cloning project.

The DNA used for the colt was cryopreserved in 1980 at the San Diego Zoo Global (SDZG) Frozen Zoo. The cloned stallion was born in 1975 in the United Kingdom and was transferred to the US in 1978.

"As the new clone matures and successfully breeds, he can provide a valuable infusion of genetic diversity for the Przewalski's horse population," the news release said.

The baby horse was named "Kurt," in honor of Kurt Benirschke, who was instrumental in founding the Frozen Zoo and the conservation research program at San Diego Zoo Global.

Kurt will be moved to the San Diego Zoo Safari Park when he is older to be integrated into a breeding species.

"This colt is expected to be one of the most genetically important individuals of his species," said Bob Wiese, chief life sciences officer at San Diego Zoo Global.

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