| Performance and ruminal protozoa in lambs with chromium supplementation. | |
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MedLine Citation:
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PMID: 20609452 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The effects of chromium picolinate (CrPic) oral supplementation on the performance and ruminal protozoa population in sheep was investigated. Twenty-four male lambs were treated with four different levels of CrPic: placebo, 0.250, 0.375 and 0.500mg of chromium/animal/day during 84days. The base ration was Panicum maximum cv Massai hay and concentrate. Feed intake was measured three times a week. Lambs were weighed every 2weeks. Ruminal content was sampled five times during the trial to quantify ruminal protozoa. No difference (p>0.05) between treatments was recorded for any parameter measured: initial and final mean body weight, dry matter intake, daily gain and total body weight gain. There was a negative linear relationship between Cr supplementation and protozoa count (p=0.0013) with no additional decrease when CrPic supplemental levels were higher than 0.375mg/day. Therefore, Cr supplementation must be carried out carefully and more studies need to address stressed animals or possible toxic effects of Cr in the animal itself or to the ruminal protozoa population. |
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Authors:
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B S L Dallago; C M McManus; D F Caldeira; A C Lopes; T P Paim; E Franco; B O Borges; P H F Teles; P S Correa; H Louvandini |
Publication Detail:
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Type: Journal Article Date: 2010-07-06 |
Journal Detail:
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Title: Research in veterinary science Volume: 90 ISSN: 1532-2661 ISO Abbreviation: Res. Vet. Sci. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-02-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401300 Medline TA: Res Vet Sci Country: England |
Other Details:
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Languages: eng Pagination: 253-6 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília, Distrito Federal 70910-900, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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