High prevalence of infections and pathological changes in burbot (Lota lota) from a polluted lake (Lake Mjøsa, Norway).
Identifieur interne : 000135 ( Main/Exploration ); précédent : 000134; suivant : 000136High prevalence of infections and pathological changes in burbot (Lota lota) from a polluted lake (Lake Mjøsa, Norway).
Auteurs : Vidar Berg [Norvège] ; Mulualem A. Zerihun ; Anders J Rgensen ; Elisabeth Lie ; Ole B. Dale ; Janneche Utne Skaare ; Jan L. LycheSource :
- Chemosphere [ 1879-1298 ] ; 2013.
Descripteurs français
- KwdFr :
- Animaux (MeSH), Foie (métabolisme), Gadiformes (microbiologie), Gadiformes (métabolisme), Ignifuges (analyse), Ignifuges (métabolisme), Ignifuges (toxicité), Lacs (composition chimique), Maladies des poissons (anatomopathologie), Maladies des poissons (microbiologie), Maladies des poissons (épidémiologie), Norvège (MeSH), Polluants chimiques de l'eau (analyse), Polluants chimiques de l'eau (métabolisme), Polluants chimiques de l'eau (toxicité), Pollution chimique de l'eau (statistiques et données numériques), Polychlorobiphényles (analyse), Polychlorobiphényles (métabolisme), Polychlorobiphényles (toxicité), Prévalence (MeSH), Surveillance de l'environnement (MeSH), Éthers de polyhalogénophényle (analyse), Éthers de polyhalogénophényle (métabolisme), Éthers de polyhalogénophényle (toxicité).
- MESH :
- analyse : Ignifuges, Polluants chimiques de l'eau, Polychlorobiphényles, Éthers de polyhalogénophényle.
- anatomopathologie : Maladies des poissons.
- composition chimique : Lacs.
- microbiologie : Gadiformes, Maladies des poissons.
- métabolisme : Foie, Gadiformes, Ignifuges, Polluants chimiques de l'eau, Polychlorobiphényles, Éthers de polyhalogénophényle.
- statistiques et données numériques : Pollution chimique de l'eau.
- toxicité : Ignifuges, Polluants chimiques de l'eau, Polychlorobiphényles, Éthers de polyhalogénophényle.
- épidémiologie : Maladies des poissons.
- Animaux, Norvège, Prévalence, Surveillance de l'environnement.
- Wicri :
- geographic : Norvège.
English descriptors
- KwdEn :
- Animals (MeSH), Environmental Monitoring (MeSH), Fish Diseases (epidemiology), Fish Diseases (microbiology), Fish Diseases (pathology), Flame Retardants (analysis), Flame Retardants (metabolism), Flame Retardants (toxicity), Gadiformes (metabolism), Gadiformes (microbiology), Halogenated Diphenyl Ethers (analysis), Halogenated Diphenyl Ethers (metabolism), Halogenated Diphenyl Ethers (toxicity), Lakes (chemistry), Liver (metabolism), Norway (MeSH), Polychlorinated Biphenyls (analysis), Polychlorinated Biphenyls (metabolism), Polychlorinated Biphenyls (toxicity), Prevalence (MeSH), Water Pollutants, Chemical (analysis), Water Pollutants, Chemical (metabolism), Water Pollutants, Chemical (toxicity), Water Pollution, Chemical (statistics & numerical data).
- MESH :
- chemical , analysis : Flame Retardants, Halogenated Diphenyl Ethers, Polychlorinated Biphenyls, Water Pollutants, Chemical.
- chemical , metabolism : Polychlorinated Biphenyls, Water Pollutants, Chemical.
- chemical , toxicity : Polychlorinated Biphenyls, Water Pollutants, Chemical.
- geographic : Norway.
- chemistry : Lakes.
- epidemiology : Fish Diseases.
- chemical , metabolism : Flame Retardants, Gadiformes, Halogenated Diphenyl Ethers, Liver.
- microbiology : Fish Diseases, Gadiformes.
- pathology : Fish Diseases.
- statistics & numerical data : Water Pollution, Chemical.
- chemical , toxicity : Flame Retardants, Halogenated Diphenyl Ethers.
- Animals, Environmental Monitoring, Prevalence.
Abstract
The aim of the present study was to investigate whether exposure to high levels of persistent organic pollutants (POPs) affected a fish population in Lake Mjøsa. Lake Mjøsa is known to be contaminated by polybrominated diphenyl ethers (PBDEs), a subgroup of brominated flame retardants from local industrial activities. Fish from Lake Losna, a less contaminated lake located close to Lake Mjøsa, was used as reference (control). The sampling of burbot (Lota lota) was carried out between 2005 and 2008. Hepatic levels of POPs were analysed in burbot from the two lakes, and the fish were examined for bacterial- and parasite infection and histopathological changes. The levels of polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethanes (DDTs), and PBDEs were about 10, 15 and 300 times higher in fish from Lake Mjøsa compared to fish from Lake Losna. Mycobacterium salmoniphilum was present in 7% and 35% of the fish from Lake Losna and Lake Mjøsa respectively. Significantly higher number of external and visceral macroscopic lesions, histopathological diffuse changes and granulomas were seen in fish from Lake Mjøsa compared to Lake Losna. Furthermore the parasite infection was higher and the hepatic lipid content was significantly lower in burbot from Lake Mjøsa. The results of the present study suggest that the high level of contamination in Lake Mjøsa could have a negative impact on the health status of wild fish inhabiting the lake.
DOI: 10.1016/j.chemosphere.2012.10.017
PubMed: 23149183
Affiliations:
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qualifier="toxicité" xml:lang="fr"><term>Ignifuges</term><term>Polluants chimiques de l'eau</term><term>Polychlorobiphényles</term><term>Éthers de polyhalogénophényle</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Maladies des poissons</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Environmental Monitoring</term><term>Prevalence</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Norvège</term><term>Prévalence</term><term>Surveillance de l'environnement</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Norvège</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of the present study was to investigate whether exposure to high levels of persistent organic pollutants (POPs) affected a fish population in Lake Mjøsa. Lake Mjøsa is known to be contaminated by polybrominated diphenyl ethers (PBDEs), a subgroup of brominated flame retardants from local industrial activities. Fish from Lake Losna, a less contaminated lake located close to Lake Mjøsa, was used as reference (control). The sampling of burbot (Lota lota) was carried out between 2005 and 2008. Hepatic levels of POPs were analysed in burbot from the two lakes, and the fish were examined for bacterial- and parasite infection and histopathological changes. The levels of polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethanes (DDTs), and PBDEs were about 10, 15 and 300 times higher in fish from Lake Mjøsa compared to fish from Lake Losna. Mycobacterium salmoniphilum was present in 7% and 35% of the fish from Lake Losna and Lake Mjøsa respectively. Significantly higher number of external and visceral macroscopic lesions, histopathological diffuse changes and granulomas were seen in fish from Lake Mjøsa compared to Lake Losna. Furthermore the parasite infection was higher and the hepatic lipid content was significantly lower in burbot from Lake Mjøsa. The results of the present study suggest that the high level of contamination in Lake Mjøsa could have a negative impact on the health status of wild fish inhabiting the lake.</div></front></TEI><affiliations><list><country><li>Norvège</li></country><region><li>Østlandet</li></region><settlement><li>Oslo</li></settlement></list><tree><noCountry><name sortKey="Dale, Ole B" sort="Dale, Ole B" uniqKey="Dale O" first="Ole B" last="Dale">Ole B. Dale</name><name sortKey="J Rgensen, Anders" sort="J Rgensen, Anders" uniqKey="J Rgensen A" first="Anders" last="J Rgensen">Anders J Rgensen</name><name sortKey="Lie, Elisabeth" sort="Lie, Elisabeth" uniqKey="Lie E" first="Elisabeth" last="Lie">Elisabeth Lie</name><name sortKey="Lyche, Jan L" sort="Lyche, Jan L" uniqKey="Lyche J" first="Jan L" last="Lyche">Jan L. Lyche</name><name sortKey="Skaare, Janneche Utne" sort="Skaare, Janneche Utne" uniqKey="Skaare J" first="Janneche Utne" last="Skaare">Janneche Utne Skaare</name><name sortKey="Zerihun, Mulualem A" sort="Zerihun, Mulualem A" uniqKey="Zerihun M" first="Mulualem A" last="Zerihun">Mulualem A. Zerihun</name></noCountry><country name="Norvège"><region name="Østlandet"><name sortKey="Berg, Vidar" sort="Berg, Vidar" uniqKey="Berg V" first="Vidar" last="Berg">Vidar Berg</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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