Document Detail


On the quantification of suckling intensity in primates.
MedLine Citation:
PMID:  9537926     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The inhibitory effect that suckling has on the reproductive function of primate mothers varies as a function of the intensity with which they are suckled. Here we present an easily computed index of one parameter of suckling intensity, namely the temporal patterning of suckling bouts. High intensity suckling is characterized by frequent nursing bouts demarcated by short interbout intervals. Therefore, our suckling index is based on the brevity of observed interbout intervals, more specifically the proportion of such intervals that fail to exceed a criterion length. The index is an appropriate means of making interspecific comparisons of the development of infant suckling and is well suited for application to field data that include interbout intervals that were not observed in their entirety. To demonstrate its utility, we apply the index to field data collected on the suckling behavior of free-ranging rhesus monkey (Macaca mulatta) infants in India. In this context, we demonstrate that, in rhesus, between-infant differences in suckling intensity manifest themselves early in the postpartum period and contribute to between-female differences in the timing of first mating postpartum.
Authors:
R L Johnson; I Malik; C M Berman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  American journal of physical anthropology     Volume:  105     ISSN:  0002-9483     ISO Abbreviation:  Am. J. Phys. Anthropol.     Publication Date:  1998 Jan 
Date Detail:
Created Date:  1998-04-07     Completed Date:  1998-04-07     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0400654     Medline TA:  Am J Phys Anthropol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  33-42     Citation Subset:  IM    
Affiliation:
Charles River-Key Lois, Summerland Key, Florida 33042, USA. rodjohn@juno.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Female
Macaca mulatta / physiology,  psychology*
Male
Reproduction / physiology*
Sucking Behavior*
Time Factors
Grant Support
ID/Acronym/Agency:
HD06923/HD/NICHD NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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