The effect of milking equipment on raw milk quality. Laboratory experiment
2002
Luik, M. | Leola, A. | Henno, M. (Estonian Agricultural Univ., Tartu (Estonia))
Activation of lypolysis during milking normally results from faulty design and instalation, and inadequate maintenance of milking equipment, and is associated with excessive air intake into the system, causing turbulence. Majority of pipeline milking systems used in Estonian dairy farms have been instaled in 70s and 80s. Their mounting does not meet the requirements of ISO 6690 and 5707. In recent years, besides installing of new milking equipment, the reconstruction of old ones has been started. There is little information on the effect of that kind of reconstruction on raw milk quality. In this study, the effect of three factors on induced lipolysis were investigated on original laboratory experimental equipment. The parameters of studied factors - the time of agitation the intensiveness of agitation and the rate of aeration - were changed independently. A preliminary study showed these three factors. Aeration rate was mainly responsible for the increased FFA content of raw milk.
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