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Sensors 2016, 16(10), 1597; doi:10.3390/s16101597

The Usability of a Pressure-Indicating Film to Measure the Teat Load Caused by a Collapsing Liner

1
Leibniz Institute for Agricultural Engineering and Bioeconomy e.V. (ATB), Department of Engineering for Livestock Management, Max-Eyth-Allee 100, Potsdam 14469, Germany
2
Hochschule Neubrandenburg, University of Applied Sciences, Department of Agricultural Machinery, Brodaer Straße 2, Neubrandenburg 17033, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 8 August 2016 / Revised: 13 September 2016 / Accepted: 23 September 2016 / Published: 28 September 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1812 KB, uploaded 28 September 2016]   |  

Abstract

Prevention of damage to the teat and mastitis requires determination of the teat load caused by a collapsing liner. The aim of this study was to test a pressure-indicating film designed to measure the pressure between a collapsing liner and artificial teats. The Ultra Super Low and the Extreme Low pressure-indicating films were tested on two types of artificial teat. The experiments were performed with a conventional milking cluster equipped with round silicone liners. For each teat and film type, 30 repetitions were performed. Each repetition was performed with a new piece of film. Kruskal-Wallis tests were performed to detect differences between the pressure values for the different teats. The area of regions where pressure-indication color developed was calculated to determine the most suitable film type. Both film types measured the pressure applied to both artificial teats by the teat cup liner. Thus, the pressure-indicating films can be used to measure the pressure between a collapsing liner and an artificial teat. Based on the results of the present investigation, a pressure-indicating film with the measurement ranges of both film types combined would be an optimal tool to measure the overall pressure between an artificial teat and a collapsing liner. View Full-Text
Keywords: teat load; liner collapse; pressure-indicating film; artificial teat; machine milking teat load; liner collapse; pressure-indicating film; artificial teat; machine milking
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Demba, S.; Elsholz, S.; Ammon, C.; Rose-Meierhöfer, S. The Usability of a Pressure-Indicating Film to Measure the Teat Load Caused by a Collapsing Liner. Sensors 2016, 16, 1597.

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