Mei Xiang is the first giant panda in the United States to give birth after the use of frozen semen, he said. ADIn addition, “we know that in terms of reproductive age, this is pretty advanced for a giant panda female,” he said Monday. In November, as the zoo sent its cub, Bei Bei, off to China, as required by agreement, zoo officials said they did not expect another cub for a while. In 2015, when Bei Bei was born, he had a male twin. ADIn 2013, when the female cub named Bao Bao was born, a twin was delivered deceased the next day.

Source: Washington Post August 21, 2020 22:59 UTC