| Mineral metabolism in a black-necked swan (Cygnus melanocoryphus) population from southern Chile. | |
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MedLine Citation:
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PMID: 20063806 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A population of black-necked swans (Cygnus melanocoryphus) residing in a perturbed habitat revealed a low body mass, malnutrition, and hyperferremia during 2005; the swans main dietary item, Egeria densa, was lost during an environmental crisis which occurred in 2004. The objective of this study was to monitor the diet and nutritional status of this population during 2006, as well as to verify how the consumption of sediment, as part of their new diet, may explain the mineral disorders observed in these birds. Results revealed that swans increased their body mass and had an adequate protein, lipid, and iron metabolism, in spite of the fact that they maintained the same new diet (sediment and roots) during 2005-2006. In addition, transferrine saturation was indicative of the high endogenous iron load in birds which agrees with the high iron load of their environment. On the other hand, the consumption of the Cayumapu River sediment in the diet (25%) did not affect the body mass nor the nutritional and hepatic function in domestic geese over a 45-day period. |
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Authors:
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M Cecilia Norambuena; Francisco Bozinovic |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians Volume: 40 ISSN: 1042-7260 ISO Abbreviation: J. Zoo Wildl. Med. Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2010-01-12 Completed Date: 2010-02-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8915208 Medline TA: J Zoo Wildl Med Country: United States |
Other Details:
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Languages: eng Pagination: 617-23 Citation Subset: IM |
Affiliation:
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Center for Advanced Studies in Ecology and Biodiversity, Departamento de Ecolog?a, Facultad de Ciencias Biol?gicas, Pontificia Universidad Cat?lica de Chile, Santiago, Chile. mcnoramb@puc.cl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animal Nutritional Physiological Phenomena* Animals Animals, Wild Anseriformes / metabolism* Chile Diet / veterinary* Ecosystem Environmental Monitoring Feeding Behavior / physiology Geologic Sediments Male Minerals / metabolism* Nutritional Status* |
| Chemical | |
Reg. No./Substance:
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0/Minerals |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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