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The aim of the investigations was the development of a milking system for the purpose of its use for control examinations of EEB, brucellosis and IBR using ELISA. The examinations were performed on 18 chosen farms and in 309 individual farms free of brucellosis and generally free of BLV and BHV-1. A total of 2250 milking cows from 4 voivodships in the south-west of Poland were examined. The blood...
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