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Near-infrared spectroscopic sensing system for on-line milk quality assessment in a milking robot

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Title: Near-infrared spectroscopic sensing system for on-line milk quality assessment in a milking robot
Authors: Kawasaki, Masataka Browse this author
Kawamura, Shuso Browse this author →KAKEN DB
Tsukahara, Maki Browse this author
Morita, Shigeru Browse this author
Komiya, Michio Browse this author
Natsuga, Motoyasu Browse this author
Keywords: Quality control
Management system
Issue Date: 1-Aug-2008
Publisher: Elsevier
Journal Title: Computers and Electronics in Agriculture
Volume: 63
Issue: 1
Start Page: 22
End Page: 27
Publisher DOI: 10.1016/j.compag.2008.01.006
Abstract: A near-infrared (NIR) spectroscopic sensing system was constructed on an experimental basis. This system enabled NIR spectra of raw milk to be obtained in an automatic milking system (milking robot system) over a wavelength range of 600 nm to 1050 nm. Calibration models for determining three major milk constituents (fat, protein and lactose), somatic cell count (SCC) and milk urea nitrogen (MUN) of unhomogenized milk were developed, and the precision and accuracy of the models were validated. The coefficient of determination (r2) and standard error of prediction (SEP) of the validation set for fat were 0.95 and 0.25%, respectively. The values of r2 and SEP for lactose were 0.83 and 0.26%, those for protein were 0.72 and 0.15%, those for SCC were 0.68 and 0.28 log SCC/mL, and those for MUN were 0.53 and 1.50 mg/dL, respectively. These results indicate that the NIR spectroscopic system can be used to assess milk quality in real time in an automatic milking system. The system can provide dairy farmers with information on milk quality and physiological condition of an individual cow and, therefore, give them feedback control for optimizing dairy farm management. By using the system, dairy farmers will be able to produce high-quality milk and precision dairy farming will be realized.
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 川村 周三

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