| Selenium balance in the adult cat in relation to intake of dietary sodium selenite and organically bound selenium. | |
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MedLine Citation:
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PMID: 21320178 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The response of cats to dietary sodium selenite (Na(2) SeO(3) ) and organically bound selenium was studied in two separate studies with four cats per treatment and three levels of selenium supplementation (targets 1.0, 1.5 and 2.0 μg/g DM) for each Se source. Whole blood and plasma selenium concentrations and glutathione peroxidase (GPx) activity were determined at 7-time points across the 32-day study. Faeces were quantitatively collected during the last 8 days and urine was collected daily during both studies. The basal diet used had a low apparent faecal selenium absorption of 25.3 ± 3.0%. Daily faecal and urinary selenium excretion increased linearly with increasing selenium intake for both Se sources. Urinary selenium concentration of the cats fed the supplemented diets increased rapidly (∼2 days) and remained constant throughout the remainder of the study. Apparent faecal selenium absorption was high for both selenium sources (73.2% and 80.0%). Plasma, and to a lesser extent, whole blood selenium concentrations increased in a dose-dependent manner with supplementation. Whole blood and plasma GPx activity were highly variable and showed a variable response to dietary selenium intake. Cats closely regulate selenium homeostasis through increasing urinary excretion whilst faecal absorption remains unaffected. |
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Authors:
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S E Todd; D G Thomas; W H Hendriks |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-15 |
Journal Detail:
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Title: Journal of animal physiology and animal nutrition Volume: - ISSN: 1439-0396 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101126979 Medline TA: J Anim Physiol Anim Nutr (Berl) Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 Blackwell Verlag GmbH. |
Affiliation:
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Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand Institute of Food, Nutrition and Human Health, Massey University, Palmerston North, New Zealand Animal Nutrition Group, Department of Animal Science, Wageningen University, Wageningen, The Netherlands Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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