| Apparent nitrogen digestibility data: AACC-ASTM collaborative study. | |
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MedLine Citation:
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PMID: 6746486 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Apparent nitrogen digestibility data were obtained from 4 laboratories for 6 protein sources and 2 diet levels, 6 and 10% protein, after a 2-day adaptation period during the AACC-ASTM protein efficiency ratio (PER) and net protein ratio (NPR) collaborative studies. For 5 protein sources fed as 10% of the diet, the interlaboratory variation as measured by coefficient of variation (CV) values was low (1.5-3.5%), indicating high precision of the method. Wheat flour (6% protein diet) had the highest variation and, therefore, the lowest precision (CV of 7.10%). The interlaboratory variation (CV value) for 3 of the 4 laboratories was considerably lower, less than half that for the 4 laboratories. An analysis of variance of apparent nitrogen digestibility data indicated significant (P less than 0.05) effects for the 4-laboratory group due to laboratories and protein diets at both 10 and 6% protein levels, and for the 3-laboratory group at the 10% protein level. The 3-laboratory ANOVA for the 6% diets indicated a significant effect (P less than 0.05) due to diet only. |
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Authors:
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M L Happich; C E Bodwell; L R Hackler; J G Phillips; P H Derse; J G Elliott; D T Hopkins; G F Parsons; E E Prescher; E S Robaidek |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal - Association of Official Analytical Chemists Volume: 67 ISSN: 0004-5756 ISO Abbreviation: J Assoc Off Anal Chem Publication Date: 1984 May-Jun |
Date Detail:
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Created Date: 1984-09-04 Completed Date: 1984-09-04 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 7505559 Medline TA: J Assoc Off Anal Chem Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 621-2 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Biological Assay Dietary Proteins / analysis*, metabolism Digestion* Feces / analysis Nitrogen / metabolism* Rats |
| Chemical | |
Reg. No./Substance:
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0/Dietary Proteins; 7727-37-9/Nitrogen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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