| Prevalence of Regurgitation and Reingestion in Orangutans Housed in North American Zoos and an Examination of Factors Influencing its Occurrence in a Single Group of Bornean Orangutans. | |
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MedLine Citation:
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PMID: 22294289 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Very little research has explored regurgitation and reingestion (R/R) in orangutans. We first aimed to determine the prevalence of R/R in the North American zoo population through a survey of accredited institutions. We report the prevalence of R/R in orangutans >4 years of age as 35% with some sex and species differences. Additionally, survey respondents reported fruit and sweet foods as the most common triggers of R/R. We also explored rates of R/R in a single group of Bornean orangutans at Cleveland Metroparks Zoo. We examined the relationship between R/R and feeding schedule and opportunistically observed rates of R/R with and without the presence of browse and sweet foods. We found evidence that R/R is associated with feeding time and that the presence of browse significantly increased the amount of time that animals spent feeding. There was a trend toward decreased R/R when browse was available. We also observed higher rates of R/R when sweet foods were available and we propose that this may have mitigated some of the beneficial effects of browse. We suggest that future studies look further at nutritional influences on R/R behavior. |
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Authors:
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Christine M Cassella; Alyssa Mills; Kristen E Lukas |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-31 |
Journal Detail:
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Title: Zoo biology Volume: - ISSN: 1098-2361 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-2-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8807837 Medline TA: Zoo Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 Wiley Periodicals, Inc. |
Affiliation:
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Cleveland Metroparks Zoo, Conservation of Science, Cleveland, OH; Case Western Reserve University, Department of Biology, Cleveland, OH. cmc@cleveland-metroparks.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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