| Select corn coproducts from the ethanol industry and their potential as ingredients in pet foods. | |
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MedLine Citation:
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PMID: 18791159 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The objectives of this study were to determine the chemical composition and nutritive value of corn protein product 1 (CPP 1), corn protein product 2 (CPP 2), and corn fiber (CF), novel coproducts of the ethanol industry, and compare these feed ingredients with standard plant protein ingredients [soybean meal (SBM), distillers dried grains with solubles (DDGS), corn gluten meal (CGlM), and corn germ meal (CGeM)], and to compare CF sources (CF control 1 and control 2) with standard fiber sources (peanut hulls, Solka-Floc, and beet pulp) commonly used in pet foods. Corn fiber, CPP 1, and CPP 2 were produced at a pilot-scale modified dry-grind plant, with CPP 2 having a greater degree of purification than CPP 1. Crude protein values for CPP 2 and CPP 1 were 57.3 and 49.7%, respectively. Total dietary fiber concentration was 29% for CPP 2 and 23.5% for CPP 1. Acid-hydrolyzed fat and GE concentrations were similar for these ingredients. In a protein efficiency ratio assay, no differences (P > 0.05) in feed intake, BW gain, or CP intake were noted for CPP 2, CPP 1, or CGlM. However, feeding CPP 2 resulted in a greater (P < 0.05) G:F ratio and protein efficiency ratio than CPP 1 and CGlM. In a cecectomized rooster assay, CGlM had numerically the greatest standardized total AA, total essential AA, and total nonessential AA digestibilities, but they were not different (P > 0.05) from CPP 1 or SBM values. Corn germ meal resulted in the least values, but they were not different from those for DDGS and CPP 1. The greatest values for true nitrogen-corrected ME were obtained with CGlM, followed by CPP 2, DDGS, CPP 1, SBM, and CGeM. Distillers dried grains with solubles and CPP 1 had similar true nitrogen-corrected ME values, and they were not different from values for CPP 2 and SBM. In vitro CP disappearance was greatest (P < 0.05) for CGlM (94.1%), intermediate for DDGS (76.8%) and CPP 1 (77.5%), and least for CPP 2 (74.1%) and CGeM (67.7%). Corn fibers contained predominantly insoluble dietary fiber (1% or less of soluble dietary fiber), with a moderate CP concentration. In vitro OM disappearance for the fiber sources, when using inoculum from dog feces, revealed that with the exception of beet pulp, which had a moderate disappearance value after 16 h of fermentation (17.7%), all fiber substrates had a nonsignificant extent of fermentation. In conclusion, novel corn coproducts had properties comparable with the standard protein and fiber sources used in animal nutrition. |
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Authors:
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M R C de Godoy; L L Bauer; C M Parsons; G C Fahey |
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Publication Detail:
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Type: Journal Article Date: 2008-09-12 |
Journal Detail:
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Title: Journal of animal science Volume: 87 ISSN: 1525-3163 ISO Abbreviation: J. Anim. Sci. Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2009-01-13 Completed Date: 2009-02-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8003002 Medline TA: J Anim Sci Country: United States |
Other Details:
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Languages: eng Pagination: 189-99 Citation Subset: IM |
Affiliation:
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University of Illinois at Urbana-Champaign, Urbana 61801, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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analysis Animal Feed / analysis* Animal Nutritional Physiological Phenomena* Animals Chickens / metabolism Dietary Fiber / analysis* Dietary Proteins* / analysis, standards Eating / physiology Male Minerals / analysis Random Allocation Weight Gain / physiology Zea mays / chemistry*, metabolism* |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids; 0/Dietary Proteins; 0/Minerals |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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