Near-IR spectroscopy predictions can determine the digestibility and feed intake from feedlot lambs

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dc.contributor.authorAlmeida, M. T.C. [UNESP]
dc.contributor.authorDelphino, T. R. [UNESP]
dc.contributor.authorPaschoaloto, J. R. [UNESP]
dc.contributor.authorCarvalho, V. B. [UNESP]
dc.contributor.authorPerez, H. L. [UNESP]
dc.contributor.authorD'Aurea, E. M.O. [UNESP]
dc.contributor.authorD'Aurea, A. P. [UNESP]
dc.contributor.authorHomem Junior, A. C. [UNESP]
dc.contributor.authorFavaro, V. R. [UNESP]
dc.contributor.authorEzequiel, J. M.B. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T16:53:52Z
dc.date.available2018-12-11T16:53:52Z
dc.date.issued2018-03-01
dc.description.abstractThis research was carried out to validate the effectiveness of the Near-IR spectroscopy method in predicting intake and digestibility of DM and nutrients of diets for feedlot lambs, in order to compare with the conventional laboratory method. Samples of diets, ort,s and feces of forty Santa Ines lambs were subjected to both methods and analyzed for DM, MM, NDF, ADF, CP, and EE for future calculations for intake and digestibility. Most of the model's correlation coefficient was in the range of 0.66 to 0.81, being suitable for quantitative prediction. Highest values for CP content of 0.85 (diets) and 0.87 (orts) were observed. There were high correlations between the methods to predicting intake (average values of 0.93) and digestibility (average values of 0.93). Correlations between the variables obtained by the prediction of NIRS and the conventional method were adequate, showing that regardless of the method, the nutritional content of diets, orts and feces can be used to calculate the intake and digestibility of DM and nutrients of lambs' diets. The Near-IR spectroscopy method is recommended for accuracy, speed and low cost compared to conventional method.en
dc.description.affiliationUniversidade Estadual Paulista - Unesp
dc.description.affiliationUnespUniversidade Estadual Paulista - Unesp
dc.format.extent597-605
dc.identifierhttp://dx.doi.org/10.1590/1678-4162-9548
dc.identifier.citationArquivo Brasileiro de Medicina Veterinaria e Zootecnia, v. 70, n. 2, p. 597-605, 2018.
dc.identifier.doi10.1590/1678-4162-9548
dc.identifier.fileS0102-09352018000200597.pdf
dc.identifier.issn1678-4162
dc.identifier.issn0102-0935
dc.identifier.scieloS0102-09352018000200597
dc.identifier.scopus2-s2.0-85048235671
dc.identifier.urihttp://hdl.handle.net/11449/171091
dc.language.isopor
dc.relation.ispartofArquivo Brasileiro de Medicina Veterinaria e Zootecnia
dc.relation.ispartofsjr0,248
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectChemical composition
dc.subjectDigestibility
dc.subjectIntake
dc.subjectNIRS
dc.subjectOvine
dc.titleNear-IR spectroscopy predictions can determine the digestibility and feed intake from feedlot lambsen
dc.titlePredições da espectroscopia no infravermelho próximo podem determinar a digestibilidade e o consumo alimentar de cordeiros confinadospt
dc.typeArtigo

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