Document Detail

Changes in body mass of expectant male cotton-top tamarins (Saguinus oedipus).
MedLine Citation:
PMID:  18758184     Owner:  NLM     Status:  MEDLINE    
It has been noted that expectant cotton-top tamarin males in captivity experience a body mass increase during the last months of their mates' pregnancies, and this has been explained as being a male physiological response. We studied the body mass of 4 inexperienced and 4 experienced expectant males, and we expected to observe a larger body mass increase among the experienced ones since they undergo multiple hormonal changes in comparison to inexperienced expectant males. However, while inexperienced expectant males gained body mass during months 4-6 of the pregnancy period by a mean +/-SD of 5.4 +/- 3.1% (i.e. 29 +/- 17 g), the experienced ones did not (mean +/- SD of months 4-6, 0.5 +/- 1.7%, i.e. 5 +/- 12 g). The results suggest that other factors, such as behavioural communication between pairs and feeding and resting behaviour, should be studied in order to clarify the basis of this body mass increase.
Susana Sánchez; Fernando Peláez; Ana Fidalgo; Ana Morcillo; José M Caperos
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-08-30
Journal Detail:
Title:  Folia primatologica; international journal of primatology     Volume:  79     ISSN:  1421-9980     ISO Abbreviation:  Folia Primatol.     Publication Date:  2008  
Date Detail:
Created Date:  2008-10-31     Completed Date:  2009-01-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370723     Medline TA:  Folia Primatol (Basel)     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  458-62     Citation Subset:  IM    
Copyright Information:
Copyright 2008 S. Karger AG, Basel.
Area de Psicobiología, Facultad de Psicología, Universidad Autónoma de Madrid, Madrid, España.
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MeSH Terms
Analysis of Variance
Body Weight / physiology*
Pregnancy, Animal / physiology*,  psychology
Saguinus / physiology*

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