Automatic cluster removerâs: a method to check them

F. Neijenhuis; P.H. Hogewerf; H.W. Houwers; H.J. Schuiling

Automatic cluster removerâs: a method to check them

In: Mastitis control

Authors:

F. Neijenhuis

F. Neijenhuis WUR, Animal Sciences Group, Animal Production, P.O. Box 65, 8200 AB Lelystad, the Netherlands Corresponding author: francesca.neijenhuis@wur.nl

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P.H. Hogewerf

P.H. Hogewerf WUR, Animal Sciences Group, Animal Production, P.O. Box 65, 8200 AB Lelystad, the Netherlands Corresponding author: francesca.neijenhuis@wur.nl

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H.W. Houwers

H.W. Houwers WUR, Animal Sciences Group, Animal Production, P.O. Box 65, 8200 AB Lelystad, the Netherlands Corresponding author: francesca.neijenhuis@wur.nl

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H.J. Schuiling

H.J. Schuiling WUR, Animal Sciences Group, Animal Production, P.O. Box 65, 8200 AB Lelystad, the Netherlands Corresponding author: francesca.neijenhuis@wur.nl

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Type:: Chapter

Pages:: 341â348

DOI:: https://doi.org/10.3920/9789086866496_081

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Cluster removal is an important issue in milking parlor efficiency and udder health. Udder health can be negatively influenced by incorrect settings or improper functioning of the automatic cluster removal devices (ACR). Research has shown that there are two main issues in cluster removal: settings of the device and response of the equipment to the settings (slow and/or variable). During periodic check-up of the milking machine the performance of the automatic cluster removal systems in general is not evaluated, for reasons of not being aware of the problems and because of lack of equipment to test the actual settings. Therefore a device and test method have been developed and tested, that can be used within the periodic check procedure on milking machines. With this method the cluster removal performance can be tested and evaluated. The device can simulate different flow patterns as occurring at the end of a milking. The method reproduces always the same flow patterns and is not influenced by vacuum level. One measurement categorises the cluster removal settings in: accurate, within tolerances and out of specifications (difference between cluster removal flow setting and actual flow at the moment of cluster removal respectively â¤40 g/min, â¤60 g/min and â¥60 g/min). In order to obtain suitable simulation characteristics to characterise the cluster removal performance in a milking parlor, an evaluation of several milking installations was made. A time efficient test method was developed to accurately measure the cluster removal threshold levels. The general advice to farmers and technicians is to test detachment levels after installation, every 2 years during servicing, and when problems are observed. This advice will be implemented into the Dutch Quality Assurance System of Milking installations (KOM). Furthermore, advices to farmers and technicians about maintenance and set up of the milking equipment were given.

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Mastitis control

From science to practice

E-Book ISBN:: 9789086866496

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2008

Subjects
- Life Sciences

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Automatic cluster removerâs: a method to check them

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Mastitis control

From science to practice

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Automatic cluster removerâs: a method to check them