Helmintofauna of turbot Scophthalmus maximus (Linnaeus, 1758) from the southern Baltic Sea including new data

Skrzypczak, M.; Rolbiecki, Leszek

doi:10.1515/pjvs-2015-0077

Cited by 4 publications

(1 citation statement)

References 22 publications

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“…A wide range of GLU and TP observed in the wild-caught group (0.05-16.4 mmol/L and 10-46 g/L, respectively), combined with generally decreased other energy metabolites (TRIG), indicate possible starvation that is frequent in wild populations and could also be caused by Bothriocephalus scorpii detected in the wild-caught turbot intestine. B. scorpii, the most common parasite in turbot [30], causes a progressive intestine necrosis and atrophy, leading to malnutrition and lower resistance to stress [31] that could be the reason for significantly higher A/G ratio, which is often used as an indicator of stress response [27]. Reduction in plasma TRIG levels in the wild-caught fish could be attributed to lipolysis during starvation [32].…”

Section: Discussionmentioning

confidence: 99%

Comparative Study of Physiological Changes in Turbot Scophthalmus maximus in Different Living Conditions

et al. 2022

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The aim of this study was to compare the organismal responses of farmed and wild-caught turbot, Scophthalmus maximus, based on analyses of biochemical plasma parameters, leukocyte profile, and histological tissue profile of gills, kidney, liver, intestine, and spleen, as well as gene expression of stress proteins in kidney and liver tissue. The results revealed significant differences in plasma triglycerides (TRIG), total protein (TP), albumin (ALB), globulin (GLOB), bilirubin (TBIL), creatinine (CRE) levels, creatine kinase (CK), and superoxide dismutase (SOD) activities that were higher, and A/G ratio, calcium (Ca) and phosphorus (P) concentrations, alkaline phosphatase (ALP), and glutathione peroxidase (GPx) activity, which were lower in farmed population. The neutrophil-leukocyte (N:L) ratio and gene expression of HSP70, HSP90, and WAP65-2 were increased in the wild-caught turbot. The wild-caught turbot were infested with the gill digenean parasite Dactylogyrus sp. and tapeworm Bothriocephalus scorpii. The obtained results provide valuable data for the assessment of the physiological responses of turbot for future comparative studies of the effects of various endogenous and exogenous factors on homeostasis of this species.

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Section: Discussionmentioning

confidence: 99%

Comparative Study of Physiological Changes in Turbot Scophthalmus maximus in Different Living Conditions

et al. 2022

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Great sandeel (Hyperoplus lanceolatus) as a putative transmitter of parasite Contracaecum osculatum (Nematoda: Anisakidae)

2017

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In the Baltic Sea, the great sandeel (Hyperoplus lanceolatus), a common fish species that inhabits sandy substrates, is an important element in the diet of marine mammals, sea birds, and piscivorous fish. It can also act as a transmitter of parasites to its predators, but parasitological studies on this species are limited. We sampled great sandeels in April 2016 in two areas of the southern Baltic Sea (SB-south of Bornholm and GG-the Gulf of Gdansk) and found parasitic anisakid nematodes in both locations. The only one species of nematode parasites has been detected: liver worm (Contracaecum osculatum) with average prevalence of infection 8.96%. This is the first study to report on infection of H. lanceolatus with anisakid nematodes in the southern Baltic Sea and our results suggest that the great sandeel may play a role in the transmission of liver worm in the food web of this marine environment.

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Fish Acanthocephalans as Potential Human Pathogens

Buchmann,

Karami

2024

Curr Clin Micro Rpt

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Purpose of Review Acanthocephalans attach to the gastro-intestinal mucosa of the host (mammals, birds, reptiles, amphibians, fish) by use of a proboscis equipped with a series of hooks. Teleosts serve as definitive hosts to some acanthocephalans, which can affect the nutritive status of the fish, due to absorption of nutrients in the gut, but they are not infective to humans. Other acanthocephalans, residing as larvae/juveniles in other compartments of the fish, apply mammals (whales, seals) as definitive hosts. They are as shown in this review potentially zoonotic, as consumption of live larvae in infected fish may lead to human infection associated with severe abdominal symptoms. Recent Findings Acanthocephalans, belonging to the genera Bolbosoma and Corynosoma, occur in their larval/juvenile stage in various body compartments of fish (paratenic hosts). They use marine mammals (cetaceans and pinnipeds) as definitive hosts, in which the adult parasite attaches to the gastro-intestinal mucosa. Eggs from the female acanthocephalan leave the host with faeces, and in the marine environment, they are ingested by small crustaceans (amphipods, isopods, copepods, krill), serving as intermediate hosts. When fish ingest the infected crustacean, the larva will infect the fish (then serving as paratenic host) awaiting predation by a marine mammal. Human consumption of raw or semi-raw fish dishes may lead to infection, development of symptoms, hospitalization and in some cases surgery. Summary Increases of marine mammal populations (seals and whales) in marine waters with exploitable fish stocks may increase the general infection pressure and thereby increase occurrence (prevalence and intensity) of the larval stages in fish. This may increase the risk of human infection. Preventive measures (prior freezing or heat treatment) are recommended before consumption of fishery products.

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Helmintofauna of turbot Scophthalmus maximus (Linnaeus, 1758) from the southern Baltic Sea including new data

Cited by 4 publications

References 22 publications

Comparative Study of Physiological Changes in Turbot Scophthalmus maximus in Different Living Conditions

Comparative Study of Physiological Changes in Turbot Scophthalmus maximus in Different Living Conditions

Great sandeel (Hyperoplus lanceolatus) as a putative transmitter of parasite Contracaecum osculatum (Nematoda: Anisakidae)

Fish Acanthocephalans as Potential Human Pathogens

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