Evaluation of the reliability and repeatability of automated milk urea nitrogen testing

The purpose of this study was to evaluate the reliability (precision and accuracy), and repeatability of an infrared method of determining milk urea nitrogen. The reference method used for the reliability assessment was a wet-chemistry, enzymatic determination of milk urea nitrogen. Reliability and...

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Veröffentlicht in:	Canadian journal of veterinary research 2003-01, Vol.67 (1), p.60-63
Hauptverfasser:	Arunvipas, P, VanLeeuwen, J A, Dohoo, I R, Keefe, G P
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Autoanalysis - veterinary Dairying - methods Milk - chemistry Reproducibility of Results Sensitivity and Specificity Short Communication Spectrophotometry, Infrared - methods Spectrophotometry, Infrared - veterinary Urea - analysis
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Zusammenfassung:	The purpose of this study was to evaluate the reliability (precision and accuracy), and repeatability of an infrared method of determining milk urea nitrogen. The reference method used for the reliability assessment was a wet-chemistry, enzymatic determination of milk urea nitrogen. Reliability and repeatability, as measured by concordance correlation coefficients, were 0.97 and 0.99, respectively.
ISSN:	0830-9000