Abstract
The article presents the results of studies on the integrated assessment of the pollution of objects and infrastructure in the North Caucasus region with Toxocara canis eggs (Werner, 1782). The soil and reservoirs of 63 villages and 9 cities of Kabardino-Balkaria are at risk for the contamination by eggs of the causative agent Toxocara Canis (Werner, 1782) and are dangerous for humans and animals. The contamination of soil and water with Toxocara eggs in the North Caucasus region occurs via the chain: “dog-feces-water-soil-agricultural animals and humans”, which causes the activity of the epidemic process of invasion with 80-100% egg contamination. Indices of contamination load with eggs Toxocara Canis (Werner, 1782) of soil from the territory of well-equipped households amounted to 33.0%, not landscaped - 92%, soils in the places of keeping dogs and kitchen gardens -100%. In the soil from the territories of schools and parks, Toxocara Canis eggs (Werner, 1782) were found in 70-96% samples. Toxocara Canis (Werner, 1782), extensive indices of contamination of the soil of agricultural objects accounted for in scrapings from feeders -58%, scrapings from the floor - 93%, soil of courtyards - 100%; water from puddles and water holes - 100%, soils of the territory of cattle-breeding farms 80-100%. In the suburban areas, there is a high level of contamination with eggs of Toxocara Canis (Werner, 1782). Eggs of the nematode Toxocara Canis (Werner, 1782) are found in 80% of soil samples; In 65% of dill samples, 74% of parsley samples, 66% of cilantro samples, 70% of salad samples, 63% of sorrel samples, 37% of the samples of green peas, 44% of tomato samples, 62% of the samples of cabbage, 56% of samples of cucumbers of open ground, when eggs are detected, respectively, 27.6 ± 3.1; 11.8 ± 1.2; 17.2 ± 1.5; 19.0 ± 1.6; 16.7 ± 1.4; 18.3 ± 1.7; 10.5 ± 1.1; 13.2 ± 1.3; 15.4 ± 1.5; 12.7 ± 1.2 specimens in 100 g of the sample. On average, Toxocara Canis eggs (Werner, 1782) were found in 61.7% of the samples from the investigated objects with the presence of 16.24 ± 1.56 specimens per 100 g of sample.
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