Research Article Open Access

Measurement of Lipid Supplements in Poultry Feed by Infrared Spectroscopy

Authors

CORRESPONDING AUTHOR
Ronald A. Holser
Quality and Safety Assessment Research Unit, United States Department of Agriculture, 950 College Station Road, Athens, GA 30605, USA
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Samantha A. Hawkins
Quality and Safety Assessment Research Unit, United States Department of Agriculture, 950 College Station Road, Athens, GA 30605, USA
Published on: August 15, 2011
DOI 10.3923/ijps.2011.677.679
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Abstract

Rapid measurement of a fatty acid supplement in poultry feed formulations was performed using near Infrared (NIR) spectroscopy with chemometric analysis. A standard feed formulation was amended with up to 10 wt% fatty acid supplement containing Docosahexaenoic Acid (DHA) and scanned from 10,000 cm-1 to 4000 cm-1. Spectra were evaluated by Principal Component Analysis (PCA) to detect outliers followed by Partial Least Square (PLS) regression. Models were developed with first derivative spectra. A typical dataset of 36 spectra was subdivided with 30 spectra used for model calibration and 6 spectra for the validation set. The PLS model produced a regression coefficient of 0.98314 with an RMSEC value of 0.44772. This technique provided a rapid method to analyze the amount of fatty acids in supplemented feeds.

Keywords:

Chemometrics, poultry, rations, spectroscopy

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Copyright (c) 2011 Asian Network for Scientific Information

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This work is licensed under a Creative Commons Attribution 4.0 International License.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

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How to Cite

Holser, R. A., & Hawkins, S. A. (2011). Measurement of Lipid Supplements in Poultry Feed by Infrared Spectroscopy. International Journal of Poultry Science, 10(9), 677–679. https://doi.org/10.3923/ijps.2011.677.679
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