| A field study on the effects of dietary monensin on milk production and milk composition in dairy cows. | |
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MedLine Citation:
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PMID: 20592825 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The objectives of this study were to quantify the effect of 16 ppm of dietary monensin on milk production and composition of dairy cows, and to investigate factors having a potential impact on this effect. Data were generated from a total of 3577 Holstein dairy cows (47 herds) in Quebec enrolled in a herd-level, randomized clinical trial investigating the effects of monensin supplementation. Milk production and composition data were collected from monthly dairy herd improvement (DHI) testing. Monensin increased milk production by 0.9 kg/cow/d in cows under 150 days in milk (DIM) (P < 0.05). Monensin decreased milk fat percentage by 0.18 percentage points during the whole lactation (P < 0.05). This decreasing effect was larger for component-fed cows (P < 0.05) and for cows being fed low levels of dietary physically effective particles (P < 0.05) when compared respectively to cows fed total mixed ration and cows fed high levels of dietary physically effective particles. The results of this study suggest that monensin influences milk production and milk composition of dairy cows, and that diet composition and feeding system influence those effects. |
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Authors:
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Jocelyn Dubuc; Denis DuTremblay; Jean Baril; Randy Bagg; Marcel Brodeur; Todd Duffield; Luc DesCôteaux |
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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: The Canadian veterinary journal. La revue vétérinaire canadienne Volume: 51 ISSN: 0008-5286 ISO Abbreviation: Can. Vet. J. Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-07-01 Completed Date: 2010-09-22 Revised Date: 2010-09-30 |
Medline Journal Info:
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Nlm Unique ID: 0004653 Medline TA: Can Vet J Country: Canada |
Other Details:
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Languages: eng Pagination: 375-9 Citation Subset: IM |
Affiliation:
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Département de sciences cliniques, Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Cattle / physiology* Dairying Dietary Supplements Female Ionophores / administration & dosage, pharmacology* Lactation / drug effects*, physiology Lipids / analysis Milk / chemistry*, drug effects, secretion* Monensin / administration & dosage, pharmacology* Particle Size Quebec Random Allocation |
| Chemical | |
Reg. No./Substance:
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0/Ionophores; 0/Lipids; 17090-79-8/Monensin |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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