Seasonal oestrous cycle activity of captive female koalas in south-east Queensland

Ballantyne, K., Lisle, A., Mucci, A. and Johnston, S. D. (2015) Seasonal oestrous cycle activity of captive female koalas in south-east Queensland. Australian Mammalogy, 37 2: 245-252. doi:10.1071/AM14018


Author Ballantyne, K.
Lisle, A.
Mucci, A.
Johnston, S. D.
Title Seasonal oestrous cycle activity of captive female koalas in south-east Queensland
Journal name Australian Mammalogy   Check publisher's open access policy
ISSN 1836-7402
0310-0049
Publication date 2015-08-07
Sub-type Article (original research)
DOI 10.1071/AM14018
Open Access Status Not Open Access
Volume 37
Issue 2
Start page 245
End page 252
Total pages 8
Place of publication Clayton, VIC, Australia
Publisher C S I R O Publishing
Collection year 2016
Language eng
Formatted abstract
This study investigated the seasonality of behavioural oestrus in a captive koala population in south-east Queensland. A total of 33 sexually mature koalas were examined over a 4-year period (2009–12) to determine the possible influence of temperature, photoperiod and rainfall on the incidence of expression of behavioural oestrus without the confounding effect of lactation or limiting food resource availability. Although signs of behavioural oestrus were detected throughout the year, an obvious seasonality was apparent, with significantly fewer females displaying behavioural oestrus in late autumn and winter (May–August) than September to April (P < 0.0001). While average monthly photoperiod (P < 0.0001) and average monthly temperature (P < 0.0001) were significantly related to oestrous behaviour, rainfall was not (P > 0.05). A better understanding of the seasonality of reproductive function in the female koala will facilitate the use of reproductive management-assisted breeding technology to enable improved genetic management in captive populations.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Agriculture and Food Sciences
Official 2016 Collection
 
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