University of Twente Student Theses


Design of a mastitis indicator sensor

Heijdens, R.H.M. (2019) Design of a mastitis indicator sensor.

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Abstract:Mastitis is one of the most common and costly diseases for dairy farms. The early detection of this disease can prevent many economic losses. Mastitis is associated with an increase in white blood cells in the milk. Cells behave as small capacitances till a specific frequency. At this frequency, the cells capacitances decrease. Measuring capacitances at specific frequencies enables the estimation of cell concentration in liquids. By using electrodes not connected to the liquid, capacitances of liquids at specific frequencies linked to the cell decay is measured. This method is able to detect differences in the capacitance of yeast concentrations. However, the milk measurements do not show the same response as the yeast concentration. Other substances in milk mask the decay in capacitance, making it unable to detect the cell concentration in milk.
Item Type:Essay (Master)
Nedap, Groenlo, Netherlands
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:30 exact sciences in general, 50 technical science in general, 53 electrotechnology
Programme:Embedded Systems MSc (60331)
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