Sex steroid profiles and pair-maintenance behavior of captive wild-caught zebra finches (taeniopygia guttata)

Prior, Nora H., Yap, Kang Nian, Adomat, Hans H., Mainwaring, Mark C., Fokidis, H. Bobby, Guns, Emaa S., Buchanan, Katherine, Griffith, Simon C. and Soma, Kiran K. 2016, Sex steroid profiles and pair-maintenance behavior of captive wild-caught zebra finches (taeniopygia guttata), Journal of comparative physiology A, vol. 202, no. 1, pp. 35-44, doi: 10.1007/s00359-015-1050-3.

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Title Sex steroid profiles and pair-maintenance behavior of captive wild-caught zebra finches (taeniopygia guttata)
Author(s) Prior, Nora H.
Yap, Kang Nian
Adomat, Hans H.
Mainwaring, Mark C.
Fokidis, H. Bobby
Guns, Emaa S.
Buchanan, KatherineORCID iD for Buchanan, Katherine
Griffith, Simon C.
Soma, Kiran K.
Journal name Journal of comparative physiology A
Volume number 202
Issue number 1
Start page 35
End page 44
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2016-01
ISSN 1432-1351
Keyword(s) Affiliation
Opportunistic breeder
Pair bond
Steroid profiling
Science & Technology
Life Sciences & Biomedicine
Behavioral Sciences
Neurosciences & Neurology
Summary Here, we studied the life-long monogamous zebra finch, to examine the relationship between circulating sex steroid profiles and pair-maintenance behavior in pairs of wild-caught zebra finches (paired in the laboratory for >1 month). We used liquid chromatography-tandem mass spectrometry to examine a total of eight androgens and progestins [pregnenolone, progesterone, dehydroepiandrosterone (DHEA), androstenediol, pregnan-3,17-diol-20-one, androsterone, androstanediol, and testosterone]. In the plasma, only pregnenolone, progesterone, DHEA, and testosterone were above the limit of quantification. Sex steroid profiles were similar between males and females, with only circulating progesterone levels significantly different between the sexes (female > male). Circulating pregnenolone levels were high in both sexes, suggesting that pregnenolone might serve as a circulating prohormone for local steroid synthesis in zebra finches. Furthermore, circulating testosterone levels were extremely low in both sexes. Additionally, we found no correlations between circulating steroid levels and pair-maintenance behavior. Taken together, our data raise several interesting questions about the neuroendocrinology of zebra finches.
Language eng
DOI 10.1007/s00359-015-1050-3
Field of Research 060603 Animal Physiology - Systems
060801 Animal Behaviour
06 Biological Sciences
11 Medical And Health Sciences
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Springer
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