Ecological effects of different water purification on the organism of Wistar rats
The work deals with the influence of the degree of purification of drinking water on hematological indices and the changes occurring in the liver of mammals by the example of Wistar rats. Animal experiments was conducted in compliance with all rules and regulations of work with laboratory animals. Water samples from surface sources with different content of pollutants were used. Basically, water pollution is due to anthropogenic factors, including ingress of untreated and inadequately treated wastewater of various industries. The study was carried out of the impact of water contaminants on the state of health of experimental animals drinking this water. The animals in the experiment were divided into three groups, depending on the kind of water they had. As a control, the original values of hematological parameters in experimental animals at the beginning of the experience were used. The results showed that tap water is not clean enough to be drunk by animals, it had a depressing effect on the body of animals, although in the short term a pronounced negative effect was not observed. Non-purified, untreated water had a negative impact on the animal organisms, it was reflected by changes in the liver of rats and in their hematological parameters. However, water purified by BEH (baroelectrochemical method), as compared with untreated water and water from the Jauza river, had a positive effect on rats. The conclusion is proved that it is necessary to use only purified water contributing to optimal development of animals, and, consequently, of humans throughout the whole life cycle.