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After the success in controlling and reducing the pollution load on recipient water courses, consisting of domestic sewage and industrial effluents, the relative share of rainwater pollution has grown. Consequently, urban rain water management is now given a relatively high priority for future action.This paper describes the institutional framework for urban sewerage, including the distribution of...
The examinations were done on 222 heifers; 112 animals were given Paratect Bolus in May, 110 animals served as a control. The heifers were grazed on separated pastures. The observations were continued to October, body weight were determined every month and faeces from 30 animals from each group vere examined to the presence of egges of parasites. Moreover, grass was examined for the presence of invasive...
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