Some Studies on Parasitic Infestations in Some Marine Water Fish with Special Reference on Isopoda

Khalil, Riad H.; Saad, Talaat T.; El-Hamid, Tamer M. Abd

doi:10.12816/0026638

Cited by 5 publications

(6 citation statements)

References 3 publications

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“…Sluggish movement and loss of condition may be attributed to that plerocercoid encystations disturbed muscle function and interfere with the fish motion (Eissa, 2002). The current study showed hemorrhagic skin; this sign agreed with that obtained by Khalil et al (2014). Postmortem lesions revealed congested or anemic organs.…”

Section: Discussionsupporting

confidence: 92%

Advanced Studies on the Endo-Parasitic Diseases (Digeneasis and Larval Cestodiasis) Affecting some Marine Fishes in Ismailia Governorate

Eissa¹,

Meselhy²,

Ismail³

et al. 2020

Egypt. J. of Aquatic Biolo. and Fish.

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Section: Discussionsupporting

confidence: 92%

Advanced Studies on the Endo-Parasitic Diseases (Digeneasis and Larval Cestodiasis) Affecting some Marine Fishes in Ismailia Governorate

Eissa¹,

Meselhy²,

Ismail³

et al. 2020

Egypt. J. of Aquatic Biolo. and Fish.

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“…The necrotic muscle were infiltrated with mononuclear cells and milanomacrophages. These results were in agreement with Purivirojkul(2012), Jerônimoet al (2014) and Khalil et al (2014) The histopathological changes due to monogenean infestations of gills of the examined fishes were presence of the parasite on the surface of the gill filaments in the form of basophilic part, massive destruction in both primary and secoundry lamellae. severe hyperplasia, severe congestion of branchial blood vessels, mononuclear cell infiltration and vacuolation of the epithelial lining of the secondary lamellae.…”

Section: Discussionsupporting

confidence: 91%

“…diseases affecting marine fishes are numerous and they cause high losses in marine culture sector in Egypt especially in sea bass and darak. (Khalil et al, 2014). Helminthes are among the most important parasites, they include nematodes, trematodes, cestodes and acanthocephalans which affecting both wild and cultured marine fishes (Hussen et al, 2012).…”

Section: Studies On the Prevailing Parasitic Diseases In Some Marine mentioning

confidence: 99%

Studies on the Prevailing Parasitic Diseases in Some Marine Fishes

Eissa

El-Lamie

Aly

et al. 2017

Egyptian Veterinary Medical Society of Parasitology Journal (EV

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This study has been applied on 200 marine fish (100 Dicentrarchus labrax and 100 Scomberomorus commerson) that randomly collected from Ismailia Provinces. No pathognomonic clinical abnormalities were recorded, however some infested fish showed hemorrhagic areas on gill cover, abdomen and on the bases of fins with presence of one or more isopoda with excessive mucus secretions. The postmortem findings were Marbling of the gills with excessive mucus secretion, sticking of the gill tips and greyish coloration. In some cases, liver was pale with peticheal haemorrhage, Stomach and intestine showed congestion, enlargement, thickening and inflammation of their walls. The total prevalence of parasitic infestation among examined fishes was 59%. The highest percentage was in Scomberomorous commerson (88%) followed by D. labrax (29%). The identified parasites were monogenetic trematodes (55%), Acanthocephalan (1.5%),) and Nematodes (3% (.The total seasonal prevalence of the detected parasites was the highest in summer (66%) and the lowest in autumn (48%). The relationship between length and parasitic prevalence was recorded. Molecular detection of Diplectanidae family using conventional PCR technique was evaluated using a DNA mixture prepared from the target pathogens. It was conducted using two universal primers for Trematode (ITS-2), which yielded amplification products of 539 bp. As expected, a PCR product of predicted size (539 bp) was generated in all examined samples and was finally identified as Diplectanum species. Histopathological changes of the naturally infestedfish with various parasites were recorded.

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“…Aphanomyces sp. where finally the fish die due to inability of the fish to feed as a result of eye opacity; the result agree with (Khalil, 1993;El-gamal, 2000;Marzouk et al, 2003;Diab, 2006;El-Atta, 2008;Bassiouny et al, 2019).…”

Section: Advances In Animal and Veterinary Sciencessupporting

confidence: 73%

Insight into Isolation, Identification and Antimicrobial Sensitivity of some Moulds Isolated from Fresh Water Fishes

Tawab¹,

Hofy²,

Moustafa³

et al. 2020

Adv. Anim. Vet. Sci.

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| The expanding recurrence of invasive fungal infection and the high mortality associated with dispersed fungal disease have highlighted the requirement for fast recognizable proof of infectious molds. The current study was conducted to identify the most prevalent mycotic diseases among cultured freshwater fishes with special focus on isolation, molecular identification and antimicrobial sensitivity testing. A total number of 300 examined cultured freshwater fishes; 200 Oreochromis niloticus (120 apparently healthy and 80 showing clinical signs) and 100 Clarias gariepinus (30 apparently healthy and 70 showing clinical signs), were collected alive from five freshwater fish farms at Kafr El Sheikh Governorate all over the year 2018. Clinically, examined Oreochromis niloticus revealed scale detachment, fins erosion, pale body coloration and eye opacity particularly in fish naturally infected with Aphanomycess, Aspergillus, Pencillium and Fusarium; however, infected Clarias gariepinus showed scattered hemorrhagic patches on the ventral abdomen. Mycological examination revealed the isolation of 900 fungal isolates; 570 fungal isolates from Oreochromis niloticus and 330 isolates from C. gariepinus. Aphanomyces invadans was the predominant fungi among diseased fishes mainly from skin, fins and gills. However, Aspergillus flavus, Aspergillus niger and Alternaria sp. were the most predominant fungi isolated from apparently healthy fishes mainly from internal organs. Molecular identification was performed using inter-transcriped spacer (ITS) gene for the most prevalent isolates among either diseased or apparently healthy fishes. Developed PCR assay specific primer detect not only Aphanomyces invadans showing clear bands at 569 bp molecular weight, but also Asperigillus flavus and Asperigillus niger showing clear bands at 595 and 600 bp molecular weight, respectively. Anti-fungal sensitivity test revealed that all mould isolates are sensitive to Nystatin and the majority was resistant to Voriconazole. Briefly, being normal mycoflora, most fungi still can cause infections to fishes. Consequently, proper health management practices should be adapted while fish rearing.Citation | El-Tawab AAA, El-Hofy FI, Moustafa EM, Halawa MR (2020). Insight into isolation, identification and antimicrobial sensitivity of some moulds isolated from fresh water fishes. Adv. Anim. Vet. Sci. 8(2): 174-182.

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Some Studies on Parasitic Infestations in Some Marine Water Fish with Special Reference on Isopoda

Cited by 5 publications

References 3 publications

Advanced Studies on the Endo-Parasitic Diseases (Digeneasis and Larval Cestodiasis) Affecting some Marine Fishes in Ismailia Governorate

Advanced Studies on the Endo-Parasitic Diseases (Digeneasis and Larval Cestodiasis) Affecting some Marine Fishes in Ismailia Governorate

Studies on the Prevailing Parasitic Diseases in Some Marine Fishes

Insight into Isolation, Identification and Antimicrobial Sensitivity of some Moulds Isolated from Fresh Water Fishes

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