Sanitary and Hygienic Expertise of Seasonal Contamination of Pastures in the region North Caucasus with Invasive Elements of Nematodes of the Genus Nematodirus Ransom, 1907
Sanitary and Hygienic Expertise of Seasonal Contamination of Pastures in the region North Caucasus with Invasive Elements of Nematodes of the Genus Nematodirus Ransom, 1907
Zarema Alimsultanova Magomedova1, Kheda Khalitovna Dadaeva1, Roza Said-Akhmedovna Zakhkieva1, Islam Khasanovich Shakhbiev1*, Boris Kazievich Laipanov2
ABSTRACT
Sanitary and helminthological studies of soil, grass and water samples in the lowland, foothill and mountainous zones of the North Caucasus region (Chechen Republic) revealed a different degree of their infection with eggs of nematodes of the genus Nematodirus Ransom, 1907. In the lowland zone of the Chechen Republic, 37.50% of soil samples, 23.00% of water samples were contaminated with invasive elements, respectively, in the foothill zone, 41.00% and 26.50% of samples, in the mountainous zone - 29.00% and 15 .00% of soil and water samples. In all climatic zones, on average, 27.83% of soil and water samples were contaminated with eggs of nematodes of the genus Nematodirus, with an average of 10.59 ± 0.97 ind. eggs of nematodes in 4-5 g of each soil and water sample. Contamination of soil and water from pastures, places of accumulation of animals, from the banks of foothill rivers, from rural households, from agricultural territories, from the territory of hayfields with eggs of the genus Nematodirus amounted to 40.59%, 38.11%, respectively, 33.90%, 37, 06%, 30.77%, 25.28% of soil samples, which indicates a moderate circulation of nematodiosis pathogens in the infrastructures of the foothill zone. In addition, it should be noted that these levels of environmental pollution by eggs of the genus Nematodirus are quite enough for the active implementation of the epizootic process of nematodiosis in animals in the North Caucasus region during the period (spring-summer-autumn).
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