Journal of fish diseases最新文献_第3页

First Report of 'Soft Flesh' Induced by the Parasite Kudoa thyrsites (Myxosporea) in Commercial Codfish From Norway. 关于挪威商业鳕鱼中寄生虫 Kudoa thyrsites (Myxosporea) 引发 "软肉 "的首次报告。

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-15 DOI: 10.1111/jfd.14067

Lucilla Giulietti, Arne Levsen, Miguel Bao, Egil Karlsbakk, Julia E Storesund, Hui-Shan Tung, Paolo Cipriani

{"title":"First Report of 'Soft Flesh' Induced by the Parasite Kudoa thyrsites (Myxosporea) in Commercial Codfish From Norway.","authors":"Lucilla Giulietti, Arne Levsen, Miguel Bao, Egil Karlsbakk, Julia E Storesund, Hui-Shan Tung, Paolo Cipriani","doi":"10.1111/jfd.14067","DOIUrl":"https://doi.org/10.1111/jfd.14067","url":null,"abstract":"Kudoa thyrsites is a myxosporean parasite that infects the skeletal muscle of various teleost fish species globally. Severe infections lead to 'soft flesh' in fish fillets, resulting in food spoilage and subsequent discard. While K. thyrsites has previously been identified in migratory Atlantic mackerel in the northern Northeast Atlantic Ocean, it has not been observed in resident or farmed fish species in Norwegian waters until now. This study presents the first evidence of K. thyrsites infection and the associated 'soft flesh' condition in resident commercially important gadoid species from Norwegian waters, including Norwegian coastal cod (NCC), Northeast Arctic cod (NEA) and tusk. Molecular analyses confirmed the parasitic infection in 'soft flesh'-affected fish sampled from multiple coastal locations in Norway. The life cycle of Kudoa remains unknown but likely involves an alternating annelid host as in other myxosporeans. These findings in resident hosts suggest that the parasite completes its life cycle also at higher latitudes, in northern Norway. Consequently, there is a risk for the Norwegian fishing industry, as the effect of the parasite on fish fillet texture can occasionally occur and impact both consumer acceptance and industry revenues.","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14067"},"PeriodicalIF":2.2,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142829101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

'Pasteurised' Tilapia: Drastic Mortality of Gyrodactylus cichlidarum During the Spring 2024 Heat Wave.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-13 DOI: 10.1111/jfd.14068

Julio Cesar Miranda-Aguirre, Adriana García-Vásquez, Martha Salazar-Ulloa, Germán Muñoz-Córdova, Miguel Rubio-Godoy

引用次数: 0

Lack of Evidence for European Eel Infection by Anguillicola crassus in Madeira Island, Macaronesia.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-13 DOI: 10.1111/jfd.14065

Inês Órfão, Rui Monteiro, Teresa Portela, Sílvia Almeida, Ricardo Rocha, João Canning-Clode, Isabel Domingos

引用次数: 0

Pejerrey (Odontesthes bonariensis) Under Siege: Main Infectious Diseases and Their Role in Aquaculture and Wild Populations Amidst Environmental Change. 被围困的鲮鱼：主要传染病及其在环境变化中对水产养殖和野生种群的作用。

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-13 DOI: 10.1111/jfd.14064

Aarón Torres-Martínez, Miguel Mancini, Fabian Grosman, Gustavo Manuel Somoza, Carlos Augusto Strüssmann

{"title":"Pejerrey (Odontesthes bonariensis) Under Siege: Main Infectious Diseases and Their Role in Aquaculture and Wild Populations Amidst Environmental Change.","authors":"Aarón Torres-Martínez, Miguel Mancini, Fabian Grosman, Gustavo Manuel Somoza, Carlos Augusto Strüssmann","doi":"10.1111/jfd.14064","DOIUrl":"https://doi.org/10.1111/jfd.14064","url":null,"abstract":"The pejerrey (Odontesthes bonariensis) is a key species for recreational and commercial fisheries in Argentina and holds significant aquaculture potential. It has been introduced to various countries worldwide, including Japan, where intensive aquaculture has developed. However, infectious diseases present major challenges to its cultivation, as pejerrey is susceptible to diverse pathogens, including bacteria, fungi and parasites. The primary bacterial pathogens affecting pejerrey include the genera Aeromonas, Pseudomonas and Mycobacterium (M. piscida). Fungal-like pathogens such as Saprolegnia spp., and fungal pathogens such as Achyla racemosa and Fusarium species (F. solani and F. semitectum) are also prevalent. Additionally, pejerrey hosts external and internal parasites, primarily Lernaea cyprinacea and members of the genera Cangatiella, Gyrodactylus, Contracaecum and Diplostomum. This review explores the primary infectious diseases affecting pejerrey, focusing on their symptoms, epidemiology and causative pathogens, based on literature from multiple countries and languages. Although no new diseases have emerged, we have identified persistent challenges that have remained unsolved for decades, highlighting the need for further research. Understanding the biology and epidemiology of these pathogens is crucial for expanding the aquaculture of pejerrey. Moreover, we examine how environmental changes, such as global warming, pollution and alien species, may influence disease dynamics in wild populations, stressing the need for management measures to preserve this valuable resource.","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14064"},"PeriodicalIF":2.2,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142824126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Molecular Identification of Spironucleus vortens From the Digestive Tract of Discus (Symphysodon discus Heckel, 1840) and Its Association With Mixed Bacterial Coinfection.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-13 DOI: 10.1111/jfd.14070

Anna Pastuszka, Krzysztof Puk, Leszek Guz

{"title":"Molecular Identification of Spironucleus vortens From the Digestive Tract of Discus (Symphysodon discus Heckel, 1840) and Its Association With Mixed Bacterial Coinfection.","authors":"Anna Pastuszka, Krzysztof Puk, Leszek Guz","doi":"10.1111/jfd.14070","DOIUrl":"https://doi.org/10.1111/jfd.14070","url":null,"abstract":"This study presents the first case in Poland of isolation and molecular identification of the Spironucleus vortens parasite from the digestive tract of diseased ornamental fish belonging to the species discus fish (Symphysodon discus Heckel, 1840). Recently, an increasing percentage of fish submitted for testing to the Department of Biology and Fish Diseases, have been observed that show typical symptoms of hole-in-the-head disease, therefore it is important to have accurate information about this disease. In preparation of this work, two fish were studied. The polymerase chain reaction (PCR) used a pair of primers designed specifically for this experiment. The amplification product was sequenced and the partial sequence of small ribosomal subunit (18S rRNA) was deposited in the GenBank database. The obtained nucleotide sequence showed a high percentage of identity with the compared sequence of the S. vortens reference strain (98.52%). Additionally, the presence of potentially dangerous bacteria belonging to four species, namely Citrobacter braakii, Acinetobacter lwoffi, Pseudomonas putida and Comamonas testosteroni was confirmed in the material collected from the tested fish. Bacterial isolates were examined biochemically. An antibiotic susceptibility testing showed that in three of the four isolates there appeared resistance to the drugs used. Trial Registration: Clinical trial registration was not required for this study.","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14070"},"PeriodicalIF":2.2,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of Prebiotic and Probiotic Diets on Gut Bacterial Microbiota and Susceptibility to Edwardsiella ictaluri Challenge in Oxytetracycline-Treated Channel Catfish.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-12 DOI: 10.1111/jfd.14066

Caitlin E Older, Bradley M Richardson, Matt J Griffin, J Grant Reifers, Penelope M Goodman, Cynthia Ware, Delbert M Gatlin, David J Wise, Fernando Y Yamamoto

引用次数: 0

Melanisation in Salmonid Skeletal Muscle: A Review.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-11 DOI: 10.1111/jfd.14063

Håvard Bjørgen, Espen Rimstad, Erling Olaf Koppang

{"title":"Melanisation in Salmonid Skeletal Muscle: A Review.","authors":"Håvard Bjørgen, Espen Rimstad, Erling Olaf Koppang","doi":"10.1111/jfd.14063","DOIUrl":"https://doi.org/10.1111/jfd.14063","url":null,"abstract":"Melanisation can occur in the musculature of fish. A well-known form is the melanised focal changes, or 'black spots', in the fillet of farmed Atlantic salmon (Salmo salar). The aetiology of black spots has not been fully determined, though recent research has emphasised the role of fat necrosis in their development. The initial stages of the changes are observed as focal haemorrhages or 'red spots', and these can progress into melanised focal changes (MFCs). The focal haemorrhages are acute changes characterised by necrotic myocytes and adipocytes and diffuse haemorrhage in the tissue. These changes evolve into a chronic inflammation dominated by fibrosis, encapsulated lipid droplets or pseudocysts, presence of epithelioid cells, granulomas of varying character, giant cells and melano-macrophages, whose presence accounts for the discolouration. The inflammation ranges from mild to severe, and the severity of the lesion has been associated with localised piscine orthoreovirus 1 (PRV 1) replication in macrophages and melano-macrophages within granulomas. The possibility of a genetic impact on the condition has not been supported by available data. The lipid composition and the antioxidative properties of the feed have been shown to affect the development of the changes. Physiological and environmental factors are also believed to influence the prevalence and severity of the condition. Here, we review the current state of knowledge concerning melanisation in fish skeletal musculature, with a special emphasis on the MFCs in Atlantic salmon.","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14063"},"PeriodicalIF":2.2,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142807248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Von Willebrand Factor in Weibel-Palade Bodies of Endothelial Cells Involved in the Immune Response to Hirame Novirhabdovirus Infection in a Teleost Paralichthys olivaceus.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-11 DOI: 10.1111/jfd.14069

Qiujie Gan, Heng Chi, Xianghu Meng, Xiaoqian Tang, Jing Xing, Xiuzhen Sheng, Wenbin Zhan

{"title":"Von Willebrand Factor in Weibel-Palade Bodies of Endothelial Cells Involved in the Immune Response to Hirame Novirhabdovirus Infection in a Teleost Paralichthys olivaceus.","authors":"Qiujie Gan, Heng Chi, Xianghu Meng, Xiaoqian Tang, Jing Xing, Xiuzhen Sheng, Wenbin Zhan","doi":"10.1111/jfd.14069","DOIUrl":"https://doi.org/10.1111/jfd.14069","url":null,"abstract":"von Willebrand factor (vWF) is a large multimeric sialoglycoprotein that plays key roles in normal haemostasis, inflammation regulation, angiogenesis and cancer metastasis in mammals. The gene, protein sequences and functions of vWF in flounder Paralichthys olivaceus (PovWF) were analysed in this study. PovWF possesses an 8550-bp open reading frame (ORF) that encodes a 2849 amino acid protein. PovWF mRNA is highly expressed in the heart and gill, followed by the intestine, skin, spleen, kidney, muscle and liver. PovWF positive cells are mainly endothelial cells (ECs), predominantly located along the inner lining of blood vessels, enclosing the bloodstream. After being infected with hirame novirhabdovirus (HIRRV), flounder exhibits a dark body colour, congested fins and visceral membranes. Histopathologic analysis revealed that the ECs of diseased fish had compromised integrity, accompanied by a significant increase in number of cells within blood vessels. Immunofluorescence and ultrastructural studies showed that virions infect ECs can induce morphological and functional alterations, which lead to the release of vWF and facilitate the migration of neutrophils into tissues to exert antiviral functions. This research pinpoints the role of vWF in the immune response to HIRRV infection in teleost. It offers an in-depth and all-encompassing understanding of the pathophysiological interaction between HIRRV and endothelial cells during invasive infections in fish.","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14069"},"PeriodicalIF":2.2,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142807250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dietary Iron Fortification Did Not Affect the Intestinal Microbiome for Channel Catfish (Ictalurus punctatus) Juveniles, but Decreased Their Resistance Against Edwardsiella ictaluri.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-10 DOI: 10.1111/jfd.14060

Fernando Y Yamamoto, Caitlin E Older, Lester H Khoo, Nicholas Romano, Bradley M Richardson, Brian D Ott, David J Wise, Cynthia Ware, Penelope M Goodman, J Grant Reifers, Matt J Griffin

引用次数: 0

Gill Health in Fish Farmed in Recirculating Aquaculture Systems (RAS): A Review.

IF 2.2 3区农林科学

Journal of fish diseases Pub Date : 2024-12-09 DOI: 10.1111/jfd.14057

Håvard Bjørgen, Erling Olaf Koppang, Barbara F Nowak

{"title":"Gill Health in Fish Farmed in Recirculating Aquaculture Systems (RAS): A Review.","authors":"Håvard Bjørgen, Erling Olaf Koppang, Barbara F Nowak","doi":"10.1111/jfd.14057","DOIUrl":"https://doi.org/10.1111/jfd.14057","url":null,"abstract":"Recirculating Aquaculture Systems (RAS) have been proposed as the future of aquaculture, because they can be used anywhere regardless of access to water, they offer high level of control over farming environment, including biosecurity, and are considered to be sustainable. However, despite of continuous development, there can be still issues with water quality affecting gill health of fish farmed in these systems. This review provides an overview of fish gill structure and gill immune response, and discusses the known impacts of RAS on gill health. Several experimental studies have inadequately reported conditions, particularly water quality, making it difficult to determine if the observed effects were due to water quality issues or RAS system itself. It is crucial for studies investigating the impact of RAS on fish to report water quality during the study. Furthermore, assessments of RAS effects on gill health should include sufficient independent replicates and flow through controls using a common water source. Various methods have been used to assess gill health in RAS, including gill histology, presence of pathogens, gene expression in the gills and gill microbiome analysis. Differences in gill health in fish from RAS and a flow through system have been shown for a number of freshwater and marine fish species. However, these results have been inconsistent across studies, and some results have been challenging to interpret as indicators of gill health. Holistic studies including a number of different methods to assess fish gills would give more conclusive results. More research is needed, in particular, on brackish and marine RAS, to fully understand their impacts on gill health.","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14057"},"PeriodicalIF":2.2,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142794806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0