Contamination of Soil of a Number of Territories of the South of Russia With Parasitic Agents

Khutoryanina,; Dimidova,; Dumbadze,; Tverdokhlebova,

doi:10.31016/978-5-6046256-1-3.2021.22.530-536

Cited by 2 publications

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“…С 2019 г. в соответствии с решением коллегии Федеральной службы по надзору в сфере защиты прав потребителей и благо получия человека в целях обеспечения эпи демиологического благополучия населения особое внимание уделяется проблемам сани тарной паразитологии. Санитарно паразито логические исследования -это неотъемле мый компонент комплексной оценки сани тарного состояния объекта [3][4][5][6][7][8].…”

Section: Introductionunclassified

Сontаminаtion of soil with pаthogens of helminth-protozoаlinvаsions in Аstrаkhаn Region for 2016–2020

Nikeshina

Arakelyan

Шендо

et al. 2022

Perm Medical Journal

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Objective. To study the parasitic contamination of the soil in Astrakhan Region based on the materials of the Center for Hygiene and Epidemiology in Astrakhan Region for 20162020. Materials and methods. The research work was carried out on the basis of the Department of Infectious Diseases and Epidemiology of Astrakhan State Medical University of the Ministry of Healthcare of the Russian Federation, the Sanitary Department of the Center for Hygiene and Epidemiology in Astrakhan Region as well as the Department of Rospotrebnadzor in Astrakhan Region. Results. In total, during the analyzed period, 4243 soil samples were selected and examined from various places in the territory of Astrakhan Region, 8486 studies were performed. The number of samples, which do not meet sanitary and parasitological standards, was 5.6 % (237 samples). The samples of soil were taken in places, regulated by normative documents, according to instructions of the Department of Rospotrebnadzor in Astrakhan Region including places of crop production (collective farms, state farms, agricultural lands) 1.7 % (71 samples), the zone of industrial enterprises, transport highways, places of application of pesticides and mineral fertilizers 4.7 % (198 samples), the territories of livestock complexes and farms 3.7 % (157 samples), the residential zone (the territory intended for residential, public (public-business) and recreational zones as well as separate parts of engineering and transport infrastructure, other objects, the placement and activity of which does not have an impact requiring special sanitary protection zones) 86.8 % (3682 samples), including the territory of children's institutions and playgrounds (kindergartens, orphanages) 83.5 % (3076 samples) of the number of all the examined selected and investigated samples from the residential zone, places of locations of water sources 0.8 % (36 samples) as well as the territories of other objects of supervision (medical and preventive institutions, beaches, places for development etc.) 2.3 % (99 samples). Conclusions. Contamination of the soil with eggs and larvae of geohelminths (toxocara eggs and strongylid larvae) indicates contamination of these objects with feces of invaded animals (the role of stray animals (dogs) in soil contamination is not excluded). The contamination of the soil with eggs of ascaris, opisthorchis, oncospheres of teniids and cysts of amoebas suggests that these objects are contaminated with sewage water resulting from accidents.

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Section: Introductionunclassified

Сontаminаtion of soil with pаthogens of helminth-protozoаlinvаsions in Аstrаkhаn Region for 2016–2020

Nikeshina

Arakelyan

Шендо

et al. 2022

Perm Medical Journal

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“…На распространение токсокароза среди людей оказывают такие факторы, как рост числа собак и кошек в населенных пунктах, их высокая пораженность токсокарами, интенсивность экскреции яиц половозрелыми гельминтами, обитающими в кишечнике животных, устойчивость яиц во внешней среде. В современных условиях токсокароз становится наиболее социально значимым гельминтозом с высоким риском заражения в городах [1][2][3][4][5][6][7][8][9][10].…”

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Experimental Toxocariasis in Rabbits

Vasilevich,

Bachinskaya,

Gonchar

2023

Innov. prodovol. bezop.

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Toxocariasis as a zoonosis represents a medical and veterinary problem. In the structure of human larval helminthiases, toxocariasis accounts for more than 60%. In non-specific hosts, including humans, toxocara larvae undergo visceral larva migrans, primarily damaging the liver, lungs, and other organs and tissues. Constant reinvasion accumulates second and third-stage larvae in the bodies of nonspecific (paratenic) hosts. In our research, we considered the problem of soil parasitological contamination on rabbit farms and the risks of rabbit infection, emphasising the need to study the involvement of rabbits as paratenic hosts in toxocariasis. We selected rabbits of the Soviet chinchilla breed as experimental animals. Toxocara eggs were administered orally to the animals. Hematological studies were conducted using commonly accepted methods. To detect specific IgG class antibodies, rabbit serum was analysed by enzyme-linked immunosorbent assay (ELISA). The presence of IgG class antibodies in the blood serum of rabbits at a positive titer (1:100) in ELISA allows us to conclude that rabbits, along with other animals, serve as paratenic hosts for Toxocara canis. Haematological research results indicated the absence of significant differences and remained within the physiological norm throughout the entire experiment.

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Contamination of Soil of a Number of Territories of the South of Russia With Parasitic Agents

Cited by 2 publications

References 0 publications

Сontаminаtion of soil with pаthogens of helminth-protozoаlinvаsions in Аstrаkhаn Region for 2016–2020

Сontаminаtion of soil with pаthogens of helminth-protozoаlinvаsions in Аstrаkhаn Region for 2016–2020

Experimental Toxocariasis in Rabbits

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