| Effects of dietary saturated or unsaturated fatty acids and calcium levels on performance and mineral metabolism of broiler chicks. | |
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MedLine Citation:
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PMID: 6514667 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The effects of inclusion of 8% oleic, palmitic, or a 50/50 mixture of oleic and palmitic acids as the major source of fat in the presence of .8, 1.2, or 1.6% calcium in broiler diets was investigated using broiler chicks from day-old to 3 weeks of age. Supplementation of broiler diets with oleic acid reduced feed intake (P less than .05) and improved feed efficiency (P less than .01) compared to other treatments. Chicks fed diets supplemented with oleic acid or a mixture of oleic and palmitic acid gained more weight (P less than .01) over a 3-week period. Significant interactions were observed between type of dietary fatty acid and calcium level on metabolizable energy of diets (P less than .01), magnesium retention (P less than .05), calcium and fat retention (P less than .01), and proportion of excreta fatty acid that was present as soap (P less than .01). Although all fatty acids tested formed soap in the small intestine, soaps of oleic acid were efficiently utilized as opposed to soaps of palmitic acid. There was a significant (P less than .05) reduction in bone ash and bone calcium content of chicks fed diets supplemented with palmitic acid. There was a significant interaction (P less than .05) between type of fatty acid and calcium level on bone magnesium content. Increasing the calcium content of diets aggravated the decrease in calcium retention and bone calcium content associated with addition of fat. |
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Authors:
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J O Atteh; S Leeson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Poultry science Volume: 63 ISSN: 0032-5791 ISO Abbreviation: Poult. Sci. Publication Date: 1984 Nov |
Date Detail:
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Created Date: 1985-02-15 Completed Date: 1985-02-15 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0401150 Medline TA: Poult Sci Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 2252-60 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Body Weight Calcium / metabolism Calcium, Dietary / pharmacology* Chickens / metabolism* Energy Metabolism Magnesium / metabolism Male Minerals / metabolism* Nitrogen / metabolism Oleic Acid Oleic Acids / pharmacology* Palmitic Acid Palmitic Acids / pharmacology* Phosphorus / metabolism |
| Chemical | |
Reg. No./Substance:
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0/Calcium, Dietary; 0/Minerals; 0/Oleic Acids; 0/Palmitic Acids; 112-80-1/Oleic Acid; 57-10-3/Palmitic Acid; 7439-95-4/Magnesium; 7440-70-2/Calcium; 7723-14-0/Phosphorus; 7727-37-9/Nitrogen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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