北京动物园大熊猫繁殖记录

北京动物园在三十年中，共繁殖大熊猫28胎（其中双胎18次），产仔46只，成活21只，成活率为45．65％，为大熊猫的迁地保护作出了杰出的贡献。1963年第一次在人工饲养下自然繁殖成功大熊猫“明明”；1978年第一次用人工授精方法繁殖成功大熊猫“元晶”；1980年第一次以纯超低温保存的大熊猫冷冻精液人工授精成功产下二仔；1987年第一次在人工饲养下繁殖出子三代；1990年第一次实现不同地理位置的大熊猫自然交配繁殖成功幼仔“亚庆”；1992年第一次繁殖成功大熊猫人工授精第三代幼仔“京京”；1992年第一次以人工授精繁殖长大的雄性大熊猫自然交配成功繁殖“永明”和“永亮”；1992～1993年第一次以人工哺育的方法使未食母乳的大熊猫幼仔“永亮”成活；1993年第一次达到1992年所产的3仔全部成活，成活率为100％。

Breeding notes of the Giant panda in Beijing Zoo

Beijing Zoo has bred in 30 years 46 cubs of 28 litters of Giant Panda (among which 18 litters were twins),21 young Pandas survived. The survival rate is 45. 65%, which made a prominent contribution to the off site conservation of Giant Panda. The first successful breeding in captivity was achieved in 1963 - Ming Ming j the first successful breeding by artificial insemination was in 1978- Yuan Jing; in 1980 there was the first successful breeding by using frozen semen stored in ultra-low temperature, twins were born; in 1987 the Beijing Zoo achieved the record of keeping 4 generations of Pandas; in 1990, Pandas of distant blood lines mated naturally and produced offspring for the first time-Ya Qing; in 1992, the first third generation Panda by artificial insemination was able to mate naturally for the first time and successfully fathered twin cubs- Yong Ming and Yong Liang; from 1992 to 1993, a had-reared young panda survived for the first time (not having had milk from the mother) -Yong Liang; in 1993, for first time all 3 young Pandas born in 1992 survived, a survived rate of 100%.