| Saliva sampling to assess cortisol levels in unrestrained common marmosets and the effect of behavioral stress. | |
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MedLine Citation:
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PMID: 14983468 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We report a method for taking saliva samples from unrestrained, captive marmosets (Callithrix jacchus) to assess levels of free cortisol. Saliva samples can be obtained reliably, without any habituation, by encouraging the marmosets to lick and chew a cotton-wool bud coated in banana. Saliva is thus left on the bud. We also tested sweetened fruit-drink crystals and a number of other substances, but none of these attracted all of the marmosets, and even flavors that were effective once soon lost their attraction. The presence of banana in the samples collected was found to lower the measured concentration of cortisol; however, as shown in samples taken with and without the banana coating on the bud, it did so in a linear and consistent way, and did not vary significantly among subjects. Therefore, a simple conversion factor could be applied to correct for the presence of banana. A first experiment showed that the marmosets exhibited a rise in salivary cortisol levels in response to social isolation. A second experiment showed elevation of cortisol during a period when the marmosets were disturbed by increased human activity and noise levels in the building in which they were housed. Hence, this method of saliva sampling is a convenient, noninvasive means of assessing cortisol levels in marmosets. |
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Authors:
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N Cross; M K Pines; L J Rogers |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: American journal of primatology Volume: 62 ISSN: 0275-2565 ISO Abbreviation: Am. J. Primatol. Publication Date: 2004 Feb |
Date Detail:
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Created Date: 2004-02-25 Completed Date: 2004-04-08 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 8108949 Medline TA: Am J Primatol Country: United States |
Other Details:
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Languages: eng Pagination: 107-14 Citation Subset: IM |
Copyright Information:
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Copyright 2004 Wiley-Liss, Inc. |
Affiliation:
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Centre for Neuroscience and Animal Behaviour, School of Biological, Biomedical and Molecular Sciences, University of New England, Armidale, NSW, Australia. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Callithrix / metabolism* Hydrocortisone / analysis* Musa / chemistry Research Design Saliva / chemistry* Social Isolation Specimen Handling / methods* Stress, Physiological / metabolism |
| Chemical | |
Reg. No./Substance:
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50-23-7/Hydrocortisone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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