スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 5月26日 21時44分

?Our team of reproductive scientists, veterinarians and panda keepers performed two artificial inseminations on 18-year-old female giant panda Mei Xiang on May 25. Paws crossed for a little bundle of conservation success! Scientists and keepers have been closely monitoring Mei Xiang’s behavior and hormones for the past several weeks. Daily hormone reports showed Mei Xiang’s estrogen levels peaked May 24, an indication that she was ovulating and able to become pregnant. Female giant pandas are only in estrus, or able to become pregnant, for 24 to 72 hours each year. Panda gestation length ranges from 90 to 180 days, with an average pregnancy lasting 135 days. @fonznationalzoo @スミソニアン博物館 #WeSaveSpecies #PandaStory

[BIHAKUEN]UVシールド(UVShield)

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