Black-footed Ferrets Sired By Males That Died 8 Years Ago

Two black-footed ferrets at the Smithsonian’s National Zoo have each given birth to a kit that was sired by males who died in 1999 and 2000. These endangered ferrets—part of a multi-institutional breeding and reintroduction program—were artificially inseminated in May with frozen semen from the two deceased males, each giving birth to a kit on June 20 and 21 respectively.

The sperm samples were collected and frozen in 1997 and 1998. Successful inseminations with frozen semen are extremely rare—until now only three black-footed ferret kits have been born from this method.

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Tagged as: Animal Breeding, Artificial Insemination, Black-footed Ferrets, Endangered Animals, Ferrets, Kits, Smithsonian, Smithsonian's National Zoo, Sperm, Sperm Samples, Zoos

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