Japanese Journal of Zoo and Wildlife Medicine
Online ISSN : 2185-744X
Print ISSN : 1342-6133
ISSN-L : 1342-6133
Research note
Reproductive Cyclicity Based on Fecal Steroid Hormones and Behaviors in Sumatran Tigers, Panthera tigris sumatrae
Heri Dwi PUTRANTOSatoshi KUSUDATakeaki ITOMitsuhiro TERADAKayo INAGAKIOsamu DOI
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2007 Volume 12 Issue 2 Pages 111-115

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Abstract

Fecal concentrations of progesterone (P_4), estradiol-17β (E_2) and testosterone (T) were measured and daily behaviors were recorded in a pair of Sumatran tigers. The fecal P_4 profile of the female indicated cyclic changes, and the cycle length was 58.3±2.7 days. The copulation interval was 58.0±4.0 days. When fecal P_4 contents were low and began to increase, the female's flehmen and exhibiting the tail area to the male were observed. Fecal E_2 contents in the female and T contents in the male tended to be high around the time when copulation was seen, but not always ; however, the male responded to the female estrous signs by vocalization, flehmen, chasing, mounting and copulation. It is possible to assess non-invasively reproductive activities by monitoring fecal P_4 concentrations in the female and the sexual behaviors of male and female Sumatran tigers.

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© 2007 Japanese Society of Zoo and Wildlife Medicine
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