Artificial insemination for panda in Taipei
Print Edition
YUAN Yuan, a female giant panda, received artificial insemination on Tuesday and yesterday with sperm from male panda Tuan Tuan at Taipei Zoo.
Both born in 2004, the pair were given as a goodwill gift to Taiwan by the Chinese mainland in 2008. They had their first and only cub so far, Yuan Zai, on July 6, 2013, also by artificial insemination.
The zoo has been attempting to assist the pair conceive again since 2015. The zoo’s Eric Tsao said Yuan Yuan went into estrus during Chinese Lunar New Year, a little earlier than usual.
Zoo staff speculated that the peak of Yuan Yuan’s estrus came on Tuesday and let the pair stay in the same cage to try natural mating, but failed as before.
Semen was collected from Tuan Tuan, and artificial insemination was attempted on Tuesday afternoon.
Since Yuan Yuan’s estrus had not come to an end, staff conducted a second artificial insemination yesterday morning.
Female pandas can only become pregnant once a year and normally have litters of one or two cubs.
Eve Wang, curator of the giant panda pavilion at Taipei Zoo, said Tuan Tuan and Yuan Yuan are still of childbearing age, although they have passed the optimum age for giving birth from 7 to 12.
Yuan Zai, the female cub of Tuan Tuan and Yuan Yuan, is more than 4 years old, and close to her sexual maturity.
“We hope to find a husband for Yuan Zai, or use frozen sperm from a suitable male. We need to have discussions on the issue with the mainland,” said Wang.
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