V. Vlashev, G. Dineva

Abstract. In the article is studied the impact of the generated vacuum in the teat cup milking chamber of the milking clusters for milking cows manufactured by the companies De Laval, Spaggiari and Gea Farm Technologies . New milking liners as well as ones with hours worked resources have been examined. The survey was conducted by a Device for Integrated Diagnostics of Milking Machines . The resulting data are presented in graphic and tabular form.