Anisakis simplex s.l. parasitization in mackerel (Scomber japonicus) caught in the North of Morocco — Prevalence and analysis of risk factors

Abattouy, Naima; Valero, A.; Benajiba, Mohamed Hassan; Lozano, J.; Martı́n-Sánchez, Joaquina

doi:10.1016/j.ijfoodmicro.2011.07.026

Cited by 40 publications

(39 citation statements)

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“…Compared to other studies, very similar patterns exist in general, and the variation might be attributed to the initial sampling effort (sample size and period) and/or the sampling ground (ecological and oceanographic characteristics). Similarly, Abattouy et al (50) concluded that the potential risk factors of Anisakis in fish are influenced by the fishing season and fishing grounds and the sex, weight, and length (age) of the fish, for example, previously observed higher values for anchovies (100%) and hake (88%) and lower values for chub mackerel (54%) (43). In the Aegean Sea (47), prevalences in hake (66.6%) and chub mackerel (75%) were similar to our findings, while the prevalences in sardines (5.5%) and anchovies (3.9) were much lower, probably due to the smaller sample size (36 and 77, respectively) and different fishing grounds.…”

Section: Discussionmentioning

confidence: 94%

“…The highest level of infection was observed in the warm part of the year, which in the literature has been described as typical for Anisakis spp. (50,53). Likewise, Gutiérrez-Galindo et al (53) reported the highest intensity in mackerel from the Spanish Mediterranean coast in the summer season.…”

Section: Discussionmentioning

confidence: 95%

“…Mladineo (43) reported a negative correlation for anchovies and a significant positive correlation for hake, while in a more recent work (25), the same author reported a high positive correlation for anchovies. Rello et al (21) also reported a positive correlation between four groups of anchovies of different lengths and the prevalence of the parasite, and Abattouy et al (50) recorded a high correlation between parasitic infection and age (length and weight) in S. japonicus from Moroccan coast waters. The only negative correlation in our study was found between the length of the cage-farmed tuna and the abundance of nematodes, indicating that larger individuals were less infected, in contrast to other examined hosts.…”

Section: Discussionmentioning

confidence: 96%

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Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Mladineo

Poljak

2014

Appl Environ Microbiol

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Consumption of raw or thermally inadequately treated fishery products represents a public health risk, with the possibility of propagation of live Anisakis larvae, the causative agent of the zoonotic disease anisakidosis, or anisakiasis. We investigated the population dynamics of Anisakis spp. in commercially important fish-anchovies (Engraulis encrasicolus), sardines (Sardina pilchardus), European hake (Merluccius merluccius), whiting (Merlangius merlangus), chub mackerel (Scomber japonicus), and Atlantic bluefin tuna (Thunnus thynnus)-captured in the main Adriatic Sea fishing ground. We observed a significant difference in the numbers of parasite larvae (1 to 32) in individual hosts and between species, with most fish showing high or very high Anisakis population indices. Phylogenetic analysis confirmed that commercial fish in the Adriatic Sea are parasitized by Anisakis pegreffii (95.95%) and Anisakis simplex sensu stricto (4.05%). The genetic structure of A. pegreffii in demersal, pelagic, and top predator hosts was unstructured, and the highest frequency of haplotype sharing (n ‫؍‬ 10) was between demersal and pelagic fish.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 96%

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Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Mladineo

Poljak

2014

Appl Environ Microbiol

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“…However, considering the feeding behaviour of the reported cetacean definitive hosts, e.g. Ziphius cavirostris cuvier, Phy- 2,3,6,11,17,25,27,30,31,32,33,38,39,41,44,45 Abattouy et al 2011;2 -Abollo et al 2001;3 -Abollo et al 2003;4 -Baldwin et al 2011;5 -Bernadi et al 2011;6 -chaligiannis et al 2012;7 -chou et al 2011;8 -cross et al 2007;9 -Du et al 2010;10 -Dzido et al 2009;11 -Farjallah et al 2008a;12 -Farjallah et al 2008b;13 -Hermida et al 2012;14 -iñiguez et al 2009;15 -Karl et al 2011;16 -Kellermanns et al 2007;17 -Kijewska et al 2009;18 -Klimpel et al 2004;19 -Klimpel et al 2006;20 -Klimpel et al 2007;21 -Klimpel et al 2008;22 -Klimpel et al 2010a;23 -Klimpel et al 2010b;24 -Klimpel et al 2011;25 -Kuhn et al 2011;26 -lee et al 2009;27 -MacKenzie et al 2002;28 -Marques et al 2006;29 -Marques et al 2009;30 -Mattiucci and Nascetti 2006;31 -Mattiucci and Nascetti 2007;32 -Mattiucci and Nascetti 2008;33 -Mattiucci et al 1997;34 -Mattiucci et al 2001;…”

Section: Resultsunclassified

Global assessment of molecularly identified Anisakis Dujardin, 1845 (Nematoda: Anisakidae) in their teleost intermediate hosts

Kühn¹,

Hailer²,

Palm³

et al. 2013

FOLIA PARASIT

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“…There are also several records from African countries (Abattouy et al 2011, Farjallah et al 2008, Kijewska et al 2009). So far, no updated information is available for Atlantic mackerels fished off continental Portugal, and no attempt has been made to identify the anisakids isolated from S. scombrus to the species level (Rego et al 1985).…”

Section: Introductionmentioning

confidence: 99%

Comparison of anisakid infection levels between two species of Atlantic mackerel (<em>Scomber colias</em> and <em >S. scombrus</em>) off the Atlantic Portuguese coast

et al. 2017

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Summary:Anisakiasis is a problematic zoonotic infection associated with the consumption of raw or undercooked fish. Atlantic mackerel (Scomber colias) is of high commercial interest in Portugal and has been reported as a common host of Anisakis spp. In this study, the occurrence of anisakids is evaluated in S. colias and also Scomber scombrus, and the potential zoonotic risk associated with consumption of these two fishes is evaluated according to the recorded infection levels. These were found to be high for both fish species: a mean intensity and prevalence of 21.7 worms/fish and 85% for S. colias, and 16.4 worms/fish and 83.3% for S. scombrus, respectively. No correlation was detected between anisakid intensity and host total length, total weight, condition factor, and hepatosomatic and gonadosomatic indices for both fish species, but significantly higher intensity values were detected for more mature S. scombrus, i.e. fish recording a higher gonadosomatic index. Molecular tools allowed the identification of two species of Anisakis, A. simplex (s.s.) and A. pegreffii. They differed in their occurrence: in S. colias the prevalence of A. simplex (s.s.) was 18% and that of A. pegreffii was 82%, whereas in S. scombrus the prevalence of A. simplex (s.s.) was 73% and that of A. pegreffii was 27%. Occasionally, worms of Hysterothylacium aduncum were identified for both fish. The different infection levels of the two Anisakis species in both hosts off the Portuguese coast raise the hypothesis of a different life cycle at the level of the invertebrate intermediate host. S. colias lives in deeper waters than S. scombrus, and the differences found in infection levels suggest that A. pegreffii main first intermediate host also live in deeper waters, compared with A. simplex (s.s.) main first intermediate host. The higher infection levels of A. simplex (s.s.) (most infectious to humans) in S. scombrus suggest that its consumption when slightly cooked, as in grilled fish (so popular in Portugal), could be more problematic for the development of anisakiasis in humans than the consumption of S. colias and thus be of potential public health concern.Keywords: anisakids; Anisakis pegreffii; Anisakis simplex (s.s.); Atlantic mackerels; Portuguese coast; molecular identification; food safety. Comparación de los niveles de infección de anisákidos entre dos especies de caballa del Atlántico (Scomber colias y S. scombrus), de la costa atlántica portuguesaResumen: La anisakiasis es una zoonosis problemática asociada con el consumo de pescado crudo o poco cocinado. La caballa del Atlántico (Scomber colias) es un pez de mayor interés comercial en Portugal y se ha informado que es un hospedador común de Anisakis spp. En este estudio, la incidencia de anisákidos se evalúa en S. colias y Scomber scombrus, y el potencial riesgo zoonótico asociado con el consumo de estos dos peces se evalúa de acuerdo a los niveles de infección registrados. Estos se encontraron altos para ambas especies de peces -intensidad media y la prevalencia de 21.7 gu...

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Anisakis simplex s.l. parasitization in mackerel (Scomber japonicus) caught in the North of Morocco — Prevalence and analysis of risk factors

Cited by 40 publications

References 32 publications

Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Global assessment of molecularly identified Anisakis Dujardin, 1845 (Nematoda: Anisakidae) in their teleost intermediate hosts

Comparison of anisakid infection levels between two species of Atlantic mackerel (<em>Scomber colias</em> and <em >S. scombrus</em>) off the Atlantic Portuguese coast

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