Sanitary-parasitological status of Lena river within the city Yakutsk
The purpose of the research: to evaluate the sanitary-parasitological status of urban waste water and the effectiveness of its disinvasion at the station of biological elimination of Yakutsk. Materials and methods. Taking of water samples and their sanitary-parasitological research have run in compl...
Published in: | Russian Journal of Parasitology |
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Language: | Russian |
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Federal Scientific Centre VIEV
2019
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Online Access: | https://doi.org/10.31016/1998-8435-2018-12-2-38-45 https://doaj.org/article/00f29999e3684585857480a0e6af547d |
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ftdoajarticles:oai:doaj.org/article:00f29999e3684585857480a0e6af547d 2024-01-21T10:07:57+01:00 Sanitary-parasitological status of Lena river within the city Yakutsk N. Ch. Tonoeva E. A. Udaltsov E. A. Efremova 2019-10-01T00:00:00Z https://doi.org/10.31016/1998-8435-2018-12-2-38-45 https://doaj.org/article/00f29999e3684585857480a0e6af547d RU rus Federal Scientific Centre VIEV https://vniigis.elpub.ru/jour/article/view/492 https://doaj.org/toc/1998-8435 https://doaj.org/toc/2541-7843 1998-8435 2541-7843 doi:10.31016/1998-8435-2018-12-2-38-45 https://doaj.org/article/00f29999e3684585857480a0e6af547d Российский паразитологический журнал, Vol 12, Iss 2, Pp 38-45 (2019) гельминты дифиллоботриоз риск заражения обсеменение объекты окружающей среды санитарно-паразитологический мониторинг сточные воды качество воды helminths tapeworm disease risk of infection semenation natural environment location sanitary-parasitological monitoring waste water quality of water Biology (General) QH301-705.5 article 2019 ftdoajarticles https://doi.org/10.31016/1998-8435-2018-12-2-38-45 2023-12-24T01:42:10Z The purpose of the research: to evaluate the sanitary-parasitological status of urban waste water and the effectiveness of its disinvasion at the station of biological elimination of Yakutsk. Materials and methods. Taking of water samples and their sanitary-parasitological research have run in compliance to generally accepted in parasitology methods and confirmed statutory documents. For evaluation of the epidemical situation on tapeworm disease morbidity parameters were used, long-time average annual morbidity parameter. Results and discussion. Evaluation of parasitological pollution of sewer waste water in Yakutsk has shown that in water samples taken before clean-up as well as dregs from degritter ascaride and difillobotriida eggs were registered in 100 % cases. Ascaride and difillobotriida eggs were educed after mechanical treatment and in dregs from n-filter in 100% and 80% respectively, and also after repeated mechanical treatment and bio-treatment of water by active sludge in 33% and 17% specimens respectively. Sound eggs of ascariasis and diphyllobothriasis germs were founded in 18% and 9% water specimens respectively post-run ultraviolet irradiation. Eggs of enterobiasis germ were founded in 17% specimens of waste water. Mechanical treatment and bio-treatment cut a share of positive specimen to 8%. Seat worm’s eggs haven’t found in water samples after ultraviolet irradiation of drains. During all period of research taeniidae’s hexacanths and whipworm’s eggs haven’t found. Disinvasion methods, applied at sewage treatment facilities of Yakutsk, don’t guarantee the germs eradication of parasitic disease and don’t warrant epidemiological water safety as for ascaride and difillobotriida germs. Public utility drains, polluted by propagative forms of bio- and soil-transmitted helminth, are among of factors conditioning negative sanitary-parasitological situation of Lena river, having detrimental effect on ecological and epidemiological situation upon parasitic disease in the region. Article in Journal/Newspaper lena river Yakutsk Directory of Open Access Journals: DOAJ Articles Yakutsk Russian Journal of Parasitology 12 2 38 45 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
Russian |
topic |
гельминты дифиллоботриоз риск заражения обсеменение объекты окружающей среды санитарно-паразитологический мониторинг сточные воды качество воды helminths tapeworm disease risk of infection semenation natural environment location sanitary-parasitological monitoring waste water quality of water Biology (General) QH301-705.5 |
spellingShingle |
гельминты дифиллоботриоз риск заражения обсеменение объекты окружающей среды санитарно-паразитологический мониторинг сточные воды качество воды helminths tapeworm disease risk of infection semenation natural environment location sanitary-parasitological monitoring waste water quality of water Biology (General) QH301-705.5 N. Ch. Tonoeva E. A. Udaltsov E. A. Efremova Sanitary-parasitological status of Lena river within the city Yakutsk |
topic_facet |
гельминты дифиллоботриоз риск заражения обсеменение объекты окружающей среды санитарно-паразитологический мониторинг сточные воды качество воды helminths tapeworm disease risk of infection semenation natural environment location sanitary-parasitological monitoring waste water quality of water Biology (General) QH301-705.5 |
description |
The purpose of the research: to evaluate the sanitary-parasitological status of urban waste water and the effectiveness of its disinvasion at the station of biological elimination of Yakutsk. Materials and methods. Taking of water samples and their sanitary-parasitological research have run in compliance to generally accepted in parasitology methods and confirmed statutory documents. For evaluation of the epidemical situation on tapeworm disease morbidity parameters were used, long-time average annual morbidity parameter. Results and discussion. Evaluation of parasitological pollution of sewer waste water in Yakutsk has shown that in water samples taken before clean-up as well as dregs from degritter ascaride and difillobotriida eggs were registered in 100 % cases. Ascaride and difillobotriida eggs were educed after mechanical treatment and in dregs from n-filter in 100% and 80% respectively, and also after repeated mechanical treatment and bio-treatment of water by active sludge in 33% and 17% specimens respectively. Sound eggs of ascariasis and diphyllobothriasis germs were founded in 18% and 9% water specimens respectively post-run ultraviolet irradiation. Eggs of enterobiasis germ were founded in 17% specimens of waste water. Mechanical treatment and bio-treatment cut a share of positive specimen to 8%. Seat worm’s eggs haven’t found in water samples after ultraviolet irradiation of drains. During all period of research taeniidae’s hexacanths and whipworm’s eggs haven’t found. Disinvasion methods, applied at sewage treatment facilities of Yakutsk, don’t guarantee the germs eradication of parasitic disease and don’t warrant epidemiological water safety as for ascaride and difillobotriida germs. Public utility drains, polluted by propagative forms of bio- and soil-transmitted helminth, are among of factors conditioning negative sanitary-parasitological situation of Lena river, having detrimental effect on ecological and epidemiological situation upon parasitic disease in the region. |
format |
Article in Journal/Newspaper |
author |
N. Ch. Tonoeva E. A. Udaltsov E. A. Efremova |
author_facet |
N. Ch. Tonoeva E. A. Udaltsov E. A. Efremova |
author_sort |
N. Ch. Tonoeva |
title |
Sanitary-parasitological status of Lena river within the city Yakutsk |
title_short |
Sanitary-parasitological status of Lena river within the city Yakutsk |
title_full |
Sanitary-parasitological status of Lena river within the city Yakutsk |
title_fullStr |
Sanitary-parasitological status of Lena river within the city Yakutsk |
title_full_unstemmed |
Sanitary-parasitological status of Lena river within the city Yakutsk |
title_sort |
sanitary-parasitological status of lena river within the city yakutsk |
publisher |
Federal Scientific Centre VIEV |
publishDate |
2019 |
url |
https://doi.org/10.31016/1998-8435-2018-12-2-38-45 https://doaj.org/article/00f29999e3684585857480a0e6af547d |
geographic |
Yakutsk |
geographic_facet |
Yakutsk |
genre |
lena river Yakutsk |
genre_facet |
lena river Yakutsk |
op_source |
Российский паразитологический журнал, Vol 12, Iss 2, Pp 38-45 (2019) |
op_relation |
https://vniigis.elpub.ru/jour/article/view/492 https://doaj.org/toc/1998-8435 https://doaj.org/toc/2541-7843 1998-8435 2541-7843 doi:10.31016/1998-8435-2018-12-2-38-45 https://doaj.org/article/00f29999e3684585857480a0e6af547d |
op_doi |
https://doi.org/10.31016/1998-8435-2018-12-2-38-45 |
container_title |
Russian Journal of Parasitology |
container_volume |
12 |
container_issue |
2 |
container_start_page |
38 |
op_container_end_page |
45 |
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1788698567870775296 |