Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters
11 pages, 5 figures, 3 tables Haddock and whiting are two species of the family Gadidae that are exploited by fisheries mainly in European waters, the former being one of the most important seafood resources in Scotland (UK). The present study aimed to quantify prevalence, abundance and intensity of...
Published in: | Fisheries Research |
---|---|
Main Authors: | , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Elsevier
2018
|
Subjects: | |
Online Access: | http://hdl.handle.net/10261/163353 https://doi.org/10.1016/j.fishres.2017.09.008 |
id |
ftcsic:oai:digital.csic.es:10261/163353 |
---|---|
record_format |
openpolar |
spelling |
ftcsic:oai:digital.csic.es:10261/163353 2024-02-11T10:02:27+01:00 Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters Pierce, Graham J. Bao, Miguel MacKenzie, K. Dunser, A. Giulietti, Lucilla Cipriani, Paolo Mattiucci, Simonetta Hastie, Lee C. 2018 http://hdl.handle.net/10261/163353 https://doi.org/10.1016/j.fishres.2017.09.008 en eng Elsevier Postprint https://doi.org/10.1016/j.fishres.2017.09.008 Sí Fisheries Research 202: 122-133 (2018) 0165-7836 http://hdl.handle.net/10261/163353 doi:10.1016/j.fishres.2017.09.008 open Anisakis simplex s.s Zoonotic parasite Haddock Whiting Infection levels artículo http://purl.org/coar/resource_type/c_6501 2018 ftcsic https://doi.org/10.1016/j.fishres.2017.09.008 2024-01-16T10:29:42Z 11 pages, 5 figures, 3 tables Haddock and whiting are two species of the family Gadidae that are exploited by fisheries mainly in European waters, the former being one of the most important seafood resources in Scotland (UK). The present study aimed to quantify prevalence, abundance and intensity of infection of the zoonotic parasite Anisakis spp. and other ascaridoid nematodes in these fish as part of a study on the risk to consumers. Fish were sourced from research trawling surveys during 2013–2015, aiming to cover a range of size-classes and different times of year. Samples were obtained from the North Sea, west coast of Scotland and the Barents Sea. Fish were stored frozen prior to separation of viscera and fillets and the use of pressing and UV visualisation to locate, identify and count Anisakis spp. and other ascaridoids in fillets (divided into 8 parts), liver and other viscera. A subsample of Anisakis spp. collected from haddock were identified genetically by means of two diagnostic markers (mtDNA cox2 and EF1 α-1 nuclear DNA), and all were identified as A. simplex (s. s.). Both fish species showed moderate to high infection levels with Anisakis spp. (likely A. simplex (s. s.)) in the visceral organs and cavity, and rather low infection in the musculature. Those A. simplex (s. s.) larvae present in the musculature were mostly found in the anterior ventral area. In both fish species, the infection rate increased with fish length and in haddock a negative relationship was observed between Anisakis spp. numbers in muscle and body condition. From our sampling of Anisakis spp. in fish muscle, in Scotland, whiting presents a greater human health risk than haddock in Scotland. The risk arising from consumption of haddock from the Barents Sea (with 72% prevalence of Anisakis) is markedly higher, although in all cases the risk of infection in humans can be minimised if fish are frozen or adequately cooked prior to consumption. We present previously unpublished information on reported cases of anisakiasis in ... Article in Journal/Newspaper Barents Sea Northeast Atlantic Digital.CSIC (Spanish National Research Council) Barents Sea Fisheries Research 202 122 133 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Anisakis simplex s.s Zoonotic parasite Haddock Whiting Infection levels |
spellingShingle |
Anisakis simplex s.s Zoonotic parasite Haddock Whiting Infection levels Pierce, Graham J. Bao, Miguel MacKenzie, K. Dunser, A. Giulietti, Lucilla Cipriani, Paolo Mattiucci, Simonetta Hastie, Lee C. Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters |
topic_facet |
Anisakis simplex s.s Zoonotic parasite Haddock Whiting Infection levels |
description |
11 pages, 5 figures, 3 tables Haddock and whiting are two species of the family Gadidae that are exploited by fisheries mainly in European waters, the former being one of the most important seafood resources in Scotland (UK). The present study aimed to quantify prevalence, abundance and intensity of infection of the zoonotic parasite Anisakis spp. and other ascaridoid nematodes in these fish as part of a study on the risk to consumers. Fish were sourced from research trawling surveys during 2013–2015, aiming to cover a range of size-classes and different times of year. Samples were obtained from the North Sea, west coast of Scotland and the Barents Sea. Fish were stored frozen prior to separation of viscera and fillets and the use of pressing and UV visualisation to locate, identify and count Anisakis spp. and other ascaridoids in fillets (divided into 8 parts), liver and other viscera. A subsample of Anisakis spp. collected from haddock were identified genetically by means of two diagnostic markers (mtDNA cox2 and EF1 α-1 nuclear DNA), and all were identified as A. simplex (s. s.). Both fish species showed moderate to high infection levels with Anisakis spp. (likely A. simplex (s. s.)) in the visceral organs and cavity, and rather low infection in the musculature. Those A. simplex (s. s.) larvae present in the musculature were mostly found in the anterior ventral area. In both fish species, the infection rate increased with fish length and in haddock a negative relationship was observed between Anisakis spp. numbers in muscle and body condition. From our sampling of Anisakis spp. in fish muscle, in Scotland, whiting presents a greater human health risk than haddock in Scotland. The risk arising from consumption of haddock from the Barents Sea (with 72% prevalence of Anisakis) is markedly higher, although in all cases the risk of infection in humans can be minimised if fish are frozen or adequately cooked prior to consumption. We present previously unpublished information on reported cases of anisakiasis in ... |
format |
Article in Journal/Newspaper |
author |
Pierce, Graham J. Bao, Miguel MacKenzie, K. Dunser, A. Giulietti, Lucilla Cipriani, Paolo Mattiucci, Simonetta Hastie, Lee C. |
author_facet |
Pierce, Graham J. Bao, Miguel MacKenzie, K. Dunser, A. Giulietti, Lucilla Cipriani, Paolo Mattiucci, Simonetta Hastie, Lee C. |
author_sort |
Pierce, Graham J. |
title |
Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters |
title_short |
Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters |
title_full |
Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters |
title_fullStr |
Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters |
title_full_unstemmed |
Ascaridoid nematode infection in haddock (Melanogrammus aeglefinus) and whiting (Merlangius merlangus) in Northeast Atlantic waters |
title_sort |
ascaridoid nematode infection in haddock (melanogrammus aeglefinus) and whiting (merlangius merlangus) in northeast atlantic waters |
publisher |
Elsevier |
publishDate |
2018 |
url |
http://hdl.handle.net/10261/163353 https://doi.org/10.1016/j.fishres.2017.09.008 |
geographic |
Barents Sea |
geographic_facet |
Barents Sea |
genre |
Barents Sea Northeast Atlantic |
genre_facet |
Barents Sea Northeast Atlantic |
op_relation |
Postprint https://doi.org/10.1016/j.fishres.2017.09.008 Sí Fisheries Research 202: 122-133 (2018) 0165-7836 http://hdl.handle.net/10261/163353 doi:10.1016/j.fishres.2017.09.008 |
op_rights |
open |
op_doi |
https://doi.org/10.1016/j.fishres.2017.09.008 |
container_title |
Fisheries Research |
container_volume |
202 |
container_start_page |
122 |
op_container_end_page |
133 |
_version_ |
1790598401058930688 |