Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea
Atlantic cod (Gadus morhua) is an important commercial fish species on the world market. The aim of our studies was to explore the presence, intensity of infection and distribution of the zoonotic nematodes of the different genera of Anisakidae in the muscle tissue of G. morhua from the Norwegian Se...
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Online Access: | https://doi.org/10.1016/j.oceano.2022.03.003 https://doaj.org/article/f9389176456744edb6509875b1946a9e |
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ftdoajarticles:oai:doaj.org/article:f9389176456744edb6509875b1946a9e 2023-05-15T15:27:20+02:00 Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea Katarzyna Nadolna-Ałtyn Magdalena Podolska Joanna Pawlak Beata Szostakowska 2022-07-01T00:00:00Z https://doi.org/10.1016/j.oceano.2022.03.003 https://doaj.org/article/f9389176456744edb6509875b1946a9e EN eng Elsevier http://www.sciencedirect.com/science/article/pii/S0078323422000446 https://doaj.org/toc/0078-3234 0078-3234 doi:10.1016/j.oceano.2022.03.003 https://doaj.org/article/f9389176456744edb6509875b1946a9e Oceanologia, Vol 64, Iss 3, Pp 489-502 (2022) Anisakis Pseudoterranova Atlantic cod Gadus morhua North Atlantic Oceanography GC1-1581 article 2022 ftdoajarticles https://doi.org/10.1016/j.oceano.2022.03.003 2022-12-30T23:51:57Z Atlantic cod (Gadus morhua) is an important commercial fish species on the world market. The aim of our studies was to explore the presence, intensity of infection and distribution of the zoonotic nematodes of the different genera of Anisakidae in the muscle tissue of G. morhua from the Norwegian Sea. Cod from fishing areas FAO IIa1 (n = 50) and FAO IIa2 (n = 56) were sampled in March 2017. The unskinned flesh of each fish was examined using a white-light transilluminator. Collected parasites were identified to the genus level, and a subsample was identified using molecular methods. We found a higher prevalence of infection with Anisakis than with Pseudoterranova in the musculature of cod from both fishing areas. In FAO IIa1, a lower prevalence of infection with Pseudoterranova was recorded (14%) than in FAO IIa2 (∼39%). However, the intensity of infection was higher (53) in FAO IIa2 than in FAO IIa1 (8 parasites per fish). The opposite was found with Anisakis (prevalence 88% in FAO IIa1 and ∼55% in FAO IIa2, intensity up to 30 and up to 25 parasites per fish respectively). Most Anisakis larvae were present in the belly flaps (predominantly the left side), while Pseudoterranova spp. were dispersed with descending frequency in belly flaps, dorsal fillet and caudal fillet. Molecular identification revealed the presence of A. simplex (s.s.), P. decipiens (s.s.) and P. krabbei in both areas, and a hybrid of P. decipiens and P. krabbei in FAO IIa2. Article in Journal/Newspaper atlantic cod Gadus morhua North Atlantic Norwegian Sea Directory of Open Access Journals: DOAJ Articles Norwegian Sea Oceanologia 64 3 489 502 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Anisakis Pseudoterranova Atlantic cod Gadus morhua North Atlantic Oceanography GC1-1581 |
spellingShingle |
Anisakis Pseudoterranova Atlantic cod Gadus morhua North Atlantic Oceanography GC1-1581 Katarzyna Nadolna-Ałtyn Magdalena Podolska Joanna Pawlak Beata Szostakowska Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea |
topic_facet |
Anisakis Pseudoterranova Atlantic cod Gadus morhua North Atlantic Oceanography GC1-1581 |
description |
Atlantic cod (Gadus morhua) is an important commercial fish species on the world market. The aim of our studies was to explore the presence, intensity of infection and distribution of the zoonotic nematodes of the different genera of Anisakidae in the muscle tissue of G. morhua from the Norwegian Sea. Cod from fishing areas FAO IIa1 (n = 50) and FAO IIa2 (n = 56) were sampled in March 2017. The unskinned flesh of each fish was examined using a white-light transilluminator. Collected parasites were identified to the genus level, and a subsample was identified using molecular methods. We found a higher prevalence of infection with Anisakis than with Pseudoterranova in the musculature of cod from both fishing areas. In FAO IIa1, a lower prevalence of infection with Pseudoterranova was recorded (14%) than in FAO IIa2 (∼39%). However, the intensity of infection was higher (53) in FAO IIa2 than in FAO IIa1 (8 parasites per fish). The opposite was found with Anisakis (prevalence 88% in FAO IIa1 and ∼55% in FAO IIa2, intensity up to 30 and up to 25 parasites per fish respectively). Most Anisakis larvae were present in the belly flaps (predominantly the left side), while Pseudoterranova spp. were dispersed with descending frequency in belly flaps, dorsal fillet and caudal fillet. Molecular identification revealed the presence of A. simplex (s.s.), P. decipiens (s.s.) and P. krabbei in both areas, and a hybrid of P. decipiens and P. krabbei in FAO IIa2. |
format |
Article in Journal/Newspaper |
author |
Katarzyna Nadolna-Ałtyn Magdalena Podolska Joanna Pawlak Beata Szostakowska |
author_facet |
Katarzyna Nadolna-Ałtyn Magdalena Podolska Joanna Pawlak Beata Szostakowska |
author_sort |
Katarzyna Nadolna-Ałtyn |
title |
Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea |
title_short |
Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea |
title_full |
Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea |
title_fullStr |
Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea |
title_full_unstemmed |
Distribution of anisakid nematodes in the muscle tissue of cod (Gadus morhua) from the Norwegian Sea |
title_sort |
distribution of anisakid nematodes in the muscle tissue of cod (gadus morhua) from the norwegian sea |
publisher |
Elsevier |
publishDate |
2022 |
url |
https://doi.org/10.1016/j.oceano.2022.03.003 https://doaj.org/article/f9389176456744edb6509875b1946a9e |
geographic |
Norwegian Sea |
geographic_facet |
Norwegian Sea |
genre |
atlantic cod Gadus morhua North Atlantic Norwegian Sea |
genre_facet |
atlantic cod Gadus morhua North Atlantic Norwegian Sea |
op_source |
Oceanologia, Vol 64, Iss 3, Pp 489-502 (2022) |
op_relation |
http://www.sciencedirect.com/science/article/pii/S0078323422000446 https://doaj.org/toc/0078-3234 0078-3234 doi:10.1016/j.oceano.2022.03.003 https://doaj.org/article/f9389176456744edb6509875b1946a9e |
op_doi |
https://doi.org/10.1016/j.oceano.2022.03.003 |
container_title |
Oceanologia |
container_volume |
64 |
container_issue |
3 |
container_start_page |
489 |
op_container_end_page |
502 |
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1766357775318777856 |