Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/51968
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dc.contributor.authorHughes, R.en
dc.contributor.authorTivey, D.en
dc.contributor.authorButler, R.en
dc.date.issued2008en
dc.identifier.citationPoultry Science, 2008; 87(9):1804-1809en
dc.identifier.issn0032-5791en
dc.identifier.issn1525-3171en
dc.identifier.urihttp://hdl.handle.net/2440/51968-
dc.description.abstractThis study describes experiments using simple helmets to collect breath samples from individual birds for measurement of (13)CO(2), H(2), and CH(4), which form the basis for various diagnostic tests for intestinal dysfunction in humans. Peak enrichment in (13)C in breath CO(2) occurred between 5 and 30 min postingestion by 18-d-old chickens administered a gelatin capsule containing approximately 3.6 mg of (13)C-octanoic acid dissolved in vegetable oil. For 25-d-old chickens given 10 mL of homogenized cooked corn by oral gavage, peak enrichment occurred 60 to 90 min postingestion. In fully fed 25-d-old chickens, H(2) and CH(4) concentrations in breath ranged from 7 to 115 ppm and from 0 to 5.5 ppm, respectively. Following an overnight fast, H(2) and CH(4) concentrations in breath ranged from 0.5 to 7.5 ppm and 0 to 3.0 ppm, respectively, in the same chickens. Ranges in H(2) (1.0 to 56.5 ppm) and CH(4) (0 to 8.0 ppm) concentrations widened considerably 3 h after oral gavage with approximately 130 mg of lactulose (an indigestible disaccharide) dissolved in 5 mL of water. The results from these investigations indicate that collection of re-breathed air samples from chickens is plausible, which opens the way for development of noninvasive methods for evaluating gastrointestinal functions in chickens.en
dc.description.statementofresponsibilityR. J. Hughes, D. R. Tivey, and R. N. Butleren
dc.language.isoenen
dc.publisherPoultry Science Assoc Incen
dc.subjectpoultry; expired breath; carbon dioxide; hydrogen; methaneen
dc.titleA method for collecting breath samples from individual chickens for analysis of ¹³CO₂, H₂, and CH₄en
dc.title.alternativeA method for collecting breath samples from individual chickens for analysis of (CO2)-C-13, H-2, and CH4en
dc.typeJournal articleen
dc.identifier.doi10.3382/ps.2007-00420en
pubs.publication-statusPublisheden
Appears in Collections:Agriculture, Food and Wine publications

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