关键词: 大熊猫, 孕酮, 妊娠, 产仔

Abstract: Urinary progesterone profiles in five female giant pandas during the four or five months after mating were measured by using a sensitive progesterone ELISA developed by one of the authors. The results from the study indicate that the urinary progesterone contents in the non-parturition giant panda Ying Ying fluctuated at a low level averaged 191.7 ng/mg Cr(creatine), and similarly in panda Jia Jia who had an abortion averaged 152.1 ng/mg Cr. The hormone contents in three giant pandas who successfully gave birth to one baby(panda Bai Xue) or twin(pandas No.1 and No.28) significantly rised to a higher level averaged 647.6 ng/mg Cr, 496.4 ng/mg Cr and 892.2 ng/mg Cr respectively during the 4th~5th months after mating. The rise of the progesterone profile in No.1 and No.28 occurred earlier than that in Bai Xue. It is concluded that prediction about successful parturition in giant pandas may be possible by monitoring the urinary progesterone profile during the first and/or second months before parturition.

Key words: GIANT PANDA, PROGESTERONE, PREGNANCY, PARTURITION