Black-footed Ferrets Sired By Dead Males Via Frozen Sperm

Wednesday, September 3, 2008 - 13:07 in Biology & Nature

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 were artificially inseminated in May with frozen semen from the two deceased males, each giving birth on June 20 and 21 respectively. 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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