Mei Xiang might need a paternity test

If Mei Xiang becomes pregnant, the National Zoo will likely have to do a paternity test to determine who the father is. That's because Mei Xiang underwent two procedures last month involving semen from two pandas.

One of the donors was Tian Tian, Mei Xiang's mate at the National Zoo. Tian Tian mated with Mei Xiang in the spring of 2005. Mei gave birth to a male cub, Tai Shan, on July 9, 2005. Some of Tian Tian's semen was preserved cryogenically, and given to Mei Xiang via artificial insemination in 2012. Mei Xiang gave birth to a second cub on the night of September 16, 2012.

The other donor was{ }Gao Gao, a giant panda that has sired five cubs born at the San Diego Zoo.

More on this story from the Washington Post.

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