Colorimetric method as alternative to chromium (III) quantification in cattle feces

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dc.creatorAlexandra Torres Ospina
dc.creatorJulián Andrés Zapata
dc.creatorJesús Humberto Gil Gonzalez
dc.creatorLuis Giraldo
dc.creatorDiana Marcela Valencia
dc.date2020
dc.date.accessioned2026-07-07T03:58:37Z
dc.descriptionOne of the main factors to establish productivity of grazing cattle is the estimation of forage intake. For this, the most widely used technique is based on the estimation of fecal output using chromium dioxide as external marker. However, quantification can be expensive and sometimes not precise due to the methodology used for this purpose. Therefore, the aim of this study was to validate the colorimetric method for chromium quantification and to implement it in the estimation of fecal output in grazing cattle. The temperature, the digestion time and the wavelength for the measurement were evaluated. The method was validated for selectivity, linearity, detection and quantification limits, precision, accuracy, and stability. Results showed that temperature and digestion time are critical to improve sensitivity and quantification limits. The validation demonstrated that the method is suitable for the quantification of Cr2O3 in a wide range of concentrations, being statistically comparable with a reference method, and offering a reliable low cost and easy to implement alternative, to estimate fecal output in bovine digestibility studies.
dc.formatapplication/pdf
dc.identifier1806-2636
dc.identifierhttps://www.redalyc.org/articulo.oa?id=303162575031
dc.identifierhttps://www.redalyc.org/journal/3031/303162575031/
dc.identifierhttps://www.redalyc.org/journal/3031/303162575031/html/
dc.identifierhttps://www.redalyc.org/journal/3031/303162575031/303162575031.epub
dc.identifierhttps://www.redalyc.org/journal/3031/303162575031/movil
dc.identifier10.4025/actascianimsci.v42i1.48906
dc.identifier.urihttp://hdl.handle.net/123456789/449259
dc.languageen
dc.publisherUniversidade Estadual de Maringá
dc.relationhttp://www.redalyc.org/revista.oa?id=3031
dc.rightsActa Scientiarum. Animal Sciences
dc.sourceActa Scientiarum. Animal Sciences (Brasil) Vol.42
dc.subjectAgrociencias
dc.titleColorimetric method as alternative to chromium (III) quantification in cattle feces
dc.typeartículo científico

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Acta Scientiarum. Animal Sciences - Universidade Estadual de Maringá