China Taiwan Net, February 28. According to Taiwan's United Daily News, as the spring entered, the female giant panda "Yuanyuan" in the Taipei Zoo also officially entered estrus. The nurses observed that "Yuanyuan" has recently begun to estrus, and the breeding working group is waiting for it to perform artificial insemination for "Yuanyuan" and the "Panda Bears", hoping to grasp the best annual breeding opportunity.
The two big bears, "TuanTuan" and "YuanYuan", were born in 2004 and went to Taiwan from the mainland in 2008. Considering that the two pandas were young, the garden did not immediately arrange artificial insemination. It was not until 2011 that the zoo began to try artificial insemination. In 2013, the first love of "Tuan Tuan" and "Yuan Yuan" was successfully born. "Yuan Tsai" was successfully born. During the period, in order to allow "Yuan Yuan" to focus on "Yuan Tsai", the park did not try artificial insemination again until 2016, but so far Neither succeeded in getting Yuanyuan pregnant with her second child.
The zoo said that from February 9th, the nurses successively observed the appearance of vulvar swelling, vulva, over water, walking back and forth, running, soaking in water, etc., and the signs of entering estrus became more and more obvious. Combining various behavioral indicators and hormonal index and other professional numerical research and judgment, "Yuanyuan" reached the peak of estrus on February 27, so rushed to artificial insemination for "Yuanyuan" on the afternoon of February 26 and the morning of February 27.
Taipei Zoo spokesman Cao Xianshao said that whether or not the female panda becomes pregnant will delay the implantation process, and then the symptoms of suspected pregnancy will gradually appear, but whether "Yuanyuan" can successfully conceive and add another sibling to "Yuanzi", The prize draw will be held in June and July.
According to reports, experts from the China Giant Panda Protection Research Center visited the Taipei Zoo site every year during the breeding season of giant pandas in the past to provide valuable practical experience. This year, due to the new coronavirus epidemic, the experts from the research center could not come to the site to give guidance. However, since the estrus of "Yuanyuan" appeared, the Taipei Zoo kept in touch with Professor Wang Chengdong of the Panda Research Center to discuss the panda breeding event through a video conference to help the Taipei team make more accurate judgments. (China Taiwan Net Li Ning)