scholarly journals Parasite fauna of Lutjanus synagris commercialized in the fish market from Bragança-PA, Brazil

2020 ◽  
Vol 1 (3) ◽  
Author(s):  
Natalino da Costa Sousa ◽  
Daiana Silva Dos Santos ◽  
Silmara Rosa Silva ◽  
Alexandre Vaz Da Silva ◽  
Jucimauro de Araújo P. Junior ◽  
...  
Keyword(s):  
Public Health ◽  
Marine Fish ◽  
Parasite Fauna ◽  
Mean Intensity ◽  
Taxonomic Level ◽  
Relative Dominance ◽  
Fish Market ◽  
Total Prevalence ◽  
Low Diversity ◽  
Zoonotic Parasites

Studies about the parasite fauna of marine fish highlights as an important problem for public health with zoonotic parasites or affecting the fish quality. Thus, this study evaluated the parasite fauna of Lutjanus synagris commercialized in the fish market from Bragança-PA. In laboratory, 58 fish were measured, weighted and conducted to parasitological analysis to determine parasitological indexes and relative dominance. Every parasite was fixed and identified until to the lowest taxonomic level. Through the parasitological analysis, it found Cymothoidae, Digenea, Cucullanus sp. and Procamallanus (Spirocamallanus) sp., with total prevalence 67.24%. Digenea showed the highest prevalence and mean intensity values. For nematode, Cucullanus sp. obtained the greater prevalence and relative dominance, while Procamallanus (Spirocamallanus) sp. showed the greater mean intensity and abundance. Cymothoidae showed the lowest prevalence and mean intensity values. As conclusion, the parasite fauna of L. synagris has been noted with low diversity, reporting the nematode occurrence Procamallanus (Spirocamallanus).

scholarly journals Bioinformatics Approach to Mitigate Mislabeling in EU Seafood Market and Protect Consumer Health

2021 ◽  
Vol 18 (14) ◽  
pp. 7497
Author(s):  
Gabriella Vindigni ◽  
Alfredo Pulvirenti ◽  
Salvatore Alaimo ◽  
Clara Monaco ◽  
Daniela Spina ◽  
...  
Keyword(s):  
Dna Barcoding ◽  
Value Chain ◽  
Morphological Characteristics ◽  
Molecular Techniques ◽  
Consumer Information ◽  
Fish Market ◽  
Fishery Policy ◽  
Fisheries Policy ◽  
Consumer Interests ◽  
Zoonotic Parasites

Fisheries products are some of the most traded commodities world-wide and the potential for fraud is a serious concern. Fish fraud represents a threat to human health and poses serious concerns due to the consumption of toxins, highly allergenic species, contaminates or zoonotic parasites, which may be present in substituted fish. The substitution of more expensive fish by cheaper species, with similar morphological characteristics but different origins, reflects the need for greater transparency and traceability upon which which the security of the entire seafood value-chain depends. Even though EU regulations have made significant progress in consumer information by stringent labelling requirements, fraud is still widespread. Many molecular techniques such as DNA barcoding provide valuable support to enhance the Common Fisheries Policy (CFP) in the protection of consumer interests by unequivocally detecting any kind of fraud. This paper aims to highlight both the engagement of EU fishery policy and the opportunity offered by new biotechnology instruments to mitigate the growing fraud in the globalized fish market and to enforce the food security system to protect consumers’ health. In this paper, after a presentation of EU rules on fish labeling and a general overview on the current state of the global fish market, we discuss the public health implications and the opportunities offered by several techniques based on genetics, reporting a case study to show the efficacy of the DNA barcoding methodology in assessing fish traceability and identification, comparing different species of the Epinephelus genus, Mottled Grouper (Mycteroperca rubra) and Wreckfish (Polyprion americanus), often improperly sold with the commercial name of “grouper”.

scholarly journals Distribution of larval anisakids in blue whiting off Portuguese fish market

2007 ◽  
Vol 44 (1) ◽  
pp. 21-24 ◽  
Author(s):  
C. Cruz ◽  
C. Barbosa ◽  
A. Saraiva
Keyword(s):  
Body Length ◽  
Body Cavity ◽  
Mean Intensity ◽  
Blue Whiting ◽  
Host Body ◽  
Fish Market

AbstractSpecimens of Micromesistius poutassou (n=238) obtained in a fish market of Oporto, Portugal, were examined for the presence of larval anisakids. Anisakis sp. L3 larvae (prevalence = 77.7 %; mean intensity = 5.8; mean abundance = 4.5) and Hysterothylacium sp. L3 larvae (prevalence = 5 %; mean intensity = 4.1; mean abundance = 0.2) were found in body cavity, mesenteries, liver and muscles. The Anisakis sp. intensity and abundance were significantly related to the host body length. The percentage of Anisakis sp. in muscle was inversely related to the host length.

scholarly journals Occurrence and Spatial Distribution of Dibothriocephalus Latus (Cestoda: Diphyllobothriidea) in Lake Iseo (Northern Italy): An Update

2020 ◽  
Vol 17 (14) ◽  
pp. 5070
Author(s):  
Vasco Menconi ◽  
Paolo Pastorino ◽  
Ivana Momo ◽  
Davide Mugetti ◽  
Maria Cristina Bona ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Perca Fluviatilis ◽  
Northern Italy ◽  
Commercial Fishing ◽  
European Perch ◽  
Chi Square ◽  
Mean Intensity ◽  
Southern Area ◽  
Total Prevalence ◽  
The Mean

Dibothriocephalus latus (Linnaeus, 1758) (Cestoda: Diphyllobothriidea; syn. Diphyllobothrium latum), is a fish-borne zoonotic parasite responsible for diphyllobothriasis in humans. Although D. latus has long been studied, many aspects of its epidemiology and distribution remain unknown. The aim of this study was to investigate the prevalence, mean intensity of infestation, and mean abundance of plerocercoid larvae of D. latus in European perch (Perca fluviatilis) and its spatial distribution in three commercial fishing areas in Lake Iseo (Northern Italy). A total of 598 specimens of P. fluviatilis were caught in 2019. The total prevalence of D. latus was 6.5%. However, there were significant differences between areas (10.2% North; 7.3% Center; 1.5% South) (Chi-square test, p = 0.0018). The mean intensity of infestation ranged from 1 larva in southern area to 1.2 larvae in both the central and northern (Pisogne) areas. In addition, the mean abundance ranged from 0.02 in the southern area to 0.26 in the northern area (Pisogne). The total number of larvae (anterior dorsal—AD = 21; anterior ventral—AV = 1; posterior dorsal—PD = 15; posterior ventral—PV = 5) differed significantly between the four anatomical quadrants (Kruskal–Wallis test; p = 0.0001). The prevalence of D. latus plerocercoid larvae in European perch from Lake Iseo has long been investigated, but without an appropriate sampling design. With the present study, a broader analysis in spatial distribution has been added to the existing literature, revealing new information about D. latus distribution and occurrence in Lake Iseo, with new data that will be useful for health authorities and future studies.

scholarly journals First record of Neoxysomatium brevicaudatum through the non-invasive sampling of Anguis fragilis: complementary morphological and molecular detection

2011 ◽  
Vol 86 (1) ◽  
pp. 125-129 ◽  
Author(s):  
R. Jones ◽  
D.S. Brown ◽  
E. Harris ◽  
J. Jones ◽  
W.O.C. Symondson ◽  
...  
Keyword(s):  
Mitochondrial Gene ◽  
Nematode Species ◽  
First Record ◽  
Parasite Fauna ◽  
Ribosomal Gene ◽  
Morphological Identification ◽  
Morphological Examination ◽  
Mean Intensity ◽  
Anguis Fragilis ◽  
The Uk

AbstractRelatively few studies have examined the parasite fauna of British reptiles, partly due to the cryptic nature and low population density of these hosts. Here we examined 12 populations of the slow worm Anguis fragilis which, unlike other UK lizards, occurs at locally high population densities. Morphological examination of non-invasively collected faecal samples revealed the presence of Neoxysomatium brevicaudatum and a second unidentified nematode species. Although previously unrecorded from slow worms in the UK, N. brevicaudatum was present in 38% of animals (mean intensity 70.9, range 1–686). Morphological identification was confirmed by sequencing the 18S ribosomal gene. The use of the species-specific, cytochrome oxidase I mitochondrial gene primers proved an efficient alternative to conventional, microscope screening for parasites, although the original identification of N. brevicaudatum was dependent upon morphological characters. Sequencing also identified the second, smaller nematode as belonging to the Rhabdiasidae family: this species was even more common at a prevalence of 83% (mean intensity 102.8, range 1–2000). While increasing our knowledge of the UK macroparasite fauna, this work demonstrates the benefits of a combined morphological–molecular approach.

scholarly journals Echinococcus granulosusPrevalence in Dogs in Southwest Nigeria

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Oyeduntan Adejoju Adediran ◽  
Temitope Ubaidat Kolapo ◽  
Emmanuel Chibuike Uwalaka
Keyword(s):  
Public Health ◽  
Canis Familiaris ◽  
Domestic Dogs ◽  
Enzyme Linked Immunosorbent Assay ◽  
Parasitic Disease ◽  
Companion Dogs ◽  
Total Prevalence ◽  
Significant Difference ◽  
Southwest Nigeria ◽  
Cystic Hydatid

Echinococcosis is a public health parasitic disease that is cosmopolitan (Echinococcus granulosus) in its distribution. Domestic dogs (Canis familiaris) have been recognised as the definitive host of the parasite. The present study was carried out to determine the prevalence of canine echinococcosis in Southwest Nigeria using direct enzyme linked immunosorbent assay (ELISA) to detect sera antigen. Two hundred and seventy-three (273) canine sera were tested for the presence ofEchinococcusantigen. Purpose of keeping (hunting or companion), age (young or adult), and sex of each dog were considered during sampling. Total prevalence recorded was 12.45% (34/273). There was significant difference (P<0.05) between hunting (15.94%) and companion dogs (1.52%) but there was no significant difference (P>0.05) between young and adult dogs. There was no association between sex and prevalence of canine echinococcosis. The result of this study established the presence of canine echinococcosis in Southwest Nigeria; thus there is the possibility of occurrence of zoonotic form of the disease (human cystic hydatid diseases) in the region.

scholarly journals Prevalence and economic loss of bovine tuberculosis in a municipal abattoir, Abeokuta Southwestern Nigeria

2020 ◽  
Vol 40 (2) ◽  
pp. 216-223
Author(s):  
B. B. Oluwasile ◽  
O. J. Awoyomi ◽  
O. O. Kehinde
Keyword(s):  
Public Health ◽  
Bovine Tuberculosis ◽  
Economic Loss ◽  
Cross Sectional Study ◽  
Human Consumption ◽  
Sectional Study ◽  
Southwestern Nigeria ◽  
Cross Sectional ◽  
Total Prevalence ◽  
Significant Difference

A 12 month cross-sectional study was carried out at Lafenwa Abattoir Abeokuta, Southwestern Nigeria from July, 2011 to June, 2012. This was to determine the prevalence and economic loss of bovine tuberculosis in this abattoir. A total of 928 cases of bovine tuberculosis out of 52,273 cattle slaughtered during this period were condemned, representing a total prevalence of 1.78% (95% CI: 1.31- 2.14%). Typical tuberculous lesions were found in the Lung, Liver and Spleen, higher rate of organ condemnation was observed in the lung followed by liver and spleen. There was statistically significant difference in rate of organ condemnation (P<0.05). The monthly prevalence and sequence plot revealed an epidemic tendency for bovine tuberculosis during this period and there was statistically significant difference between prevalence of bovine tuberculosis and seasonal occurrence. An estimated total loss of N1.2 million (US$7,367) due to bovine tuberculosis was observed in this abattoir for the year. It was concluded that bovine tuberculosis is prevalent with epidemic tendency in cattle destined for human consumption, also with attending serious public health implications and huge loss to both the butchers and national economy.

scholarly journals Anisakis simplexLarvae: Infection Status in Marine Fish and Cephalopods Purchased from the Cooperative Fish Market in Busan, Korea

2011 ◽  
Vol 49 (1) ◽  
pp. 39 ◽  
Author(s):  
Seon Hee Choi ◽  
Jung Kim ◽  
Jin Ok Jo ◽  
Min Kyung Cho ◽  
Hak Sun Yu ◽  
...  
Keyword(s):  
Marine Fish ◽  
Infection Status ◽  
Fish Market

scholarly journals Helminth communities and host-parasite relationships in argentine brown rat (Rattus norvegicus)

2008 ◽  
Vol 45 (3) ◽  
pp. 126-129 ◽  
Author(s):  
I. Gomez Villafañe ◽  
M. Robles ◽  
M. Busch
Keyword(s):  
Rattus Norvegicus ◽  
Parasite Fauna ◽  
Individual Characteristics ◽  
Hymenolepis Diminuta ◽  
Nippostrongylus Brasiliensis ◽  
Intensity Of Infection ◽  
Mean Intensity ◽  
Poultry Farms ◽  
Syphacia Muris ◽  
The Mean

AbstractThe aims of this research were: 1) to determine the helminth parasite fauna of seventy two Rattus norvegicus (Berkenhout, 1769) individuals inhabiting poultry farms in the Pampean region of Argentina; 2) to examine the relationship between parasitism and individual characteristics of the hosts, and 3) to analyze the associations among helminths. The study was carried out in twenty-four poultry farms from autumn 2000 to winter 2001. Nematodes were found in the intestine or caecum rectum of the 74 % of rats and cestodes were found along all the intestine of the 28 % of rats. Heterakis spumosa (Travassos 1914) was a central species, whereas Syphacia muris, Yamaguti 1941, Nippostrongylus brasiliensis (Travassos 1914) and Hymenolepis diminuta (Rudolphi 1819) were satellite species. Helminths do not affect rat survival and growth of rats. Rats parasitized with H. spumosa and H. diminuta were larger and older than non-parasitized rats. The intensity of infection with H. spumosa significantly increased with rat age. Rats parasitized with Nippostrongylus brasiliensis and Syphacia muris did not differ in size and age with respect to non-parasitized ones. The mean intensity of infections per host was 33.74, 74.28, higher than 200, and 3.10 for H. spumosa, S. muris, N. brasiliensis and H. diminuta, respectively. The mean intensity of infection with H. spumosa was higher in summer than in the other seasons, while the higher mean intensity of infection with N. brasiliensis and S. muris occurred in autumn. Infections with Heterakis spumosa and Syphacia muris, and with Syphacia muris and Nippostrongylus brasiliensis were independent; while Heterakis spumosa and Nippostrongylus brasiliensis were negatively associated.

scholarly journals Prevalence Of Parasites In Freshwater Fishes In The Southern Part Of Ligawasan Marsh, Philippines

2021 ◽  
Vol 1 ◽  
pp. 93-102
Author(s):  
Sarip Tarita Ampatuan Ali
Keyword(s):  
Public Health ◽  
Oreochromis Niloticus ◽  
Freshwater Fishes ◽  
Fish Parasites ◽  
Anabas Testudineus ◽  
Mean Intensity ◽  
Representative Species ◽  
Clarias Macrocephalus ◽  
Microscopy Method ◽  
Channa Striata

Ligawasan Marsh, the largest river basin in Mindanao is home of common fishes such as dalag, pupuyo, hito, tilapia and gourami. Fish parasites pose a great threat to freshwater fishes to public health and economy of an area. This study aims to examine the Prevalence of Parasites in Freshwater Fishes in the Southern Part of Ligawasan Marsh; Endoparasites in the representative species; Mean intensity and abundance infection of the Endoparaites. The study utilized necropsy, dissection and microscopy method to examine Endoparasites. Trematodes Clinostomum sp, suspected Camallanus sp., a Neocamallanus sp. and a member of Order Spirurida, all nematodes were recovered. The study yielded that Fish parasites in Channa striata Anabas testudineus had prevalence in Kabuntalan and Datu Piang. Nine Acanthocephalan recovered in Oreochromis niloticus had also prevalence rate. Suspected trematode cysts and eggs were also recovered in Trichopodus trichopterus and Clarias macrocephalus. Thus, it is concluded that there is prevalence of nematodes and trematodes species in C. striata, A. testudineus, O. niloticus, C. macrocephalus and T. trichopterus The Camallanus sp and Neocamallanus sp, both common aquarium parasites are first found in the Southern part of Ligawasan Marsh.

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