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Journal of Fish Diseases

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https://www.readbyqxmd.com/read/28736920/obtainment-and-evaluation-of-adjuvant-effect-of-the-aromatic-geranyl-derivative-filifolinone-in-bacterin-of-piscirickettsia-salmonis
#1
M Parra, B Valenzuela, M Imarai, B Modak
No abstract text is available yet for this article.
July 24, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28731211/comparative-pathogenicity-of-vibrio-spp-photobacterium-damselae-ssp-damselae-and-five-isolates-of-aeromonas-salmonicida-ssp-achromogenes-in-juvenile-atlantic-halibut-hippoglossus-hippoglossus
#2
T J Bowden, I R Bricknell, B M Preziosi
Juvenile Atlantic halibut (~100 mg, Hippoglossus hippoglossus) were exposed to Vibrio proteolyticus, a Vibrio spp. isolate, Photobacterium damselae ssp. damselae and five different isolates of Aeromonas salmonicida ssp. achromogenes via an hour-long bath immersion to ascertain their variation in pathogenicity to this fish species. Results were analysed using Kaplan-Meier survival analysis. Analysis of the data from challenges using A. salmonicida ssp. achromogenes revealed three survival values of zero and a spread of values from 0 to 28...
July 21, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28718925/a-historical-review-of-the-key-bacterial-and-viral-pathogens-of-scottish-wild-fish
#3
REVIEW
I S Wallace, P McKay, A G Murray
Thousands of Scottish wild fish were screened for pathogens by Marine Scotland Science. A systematic review of published and unpublished data on six key pathogens (Renibacterium salmoninarum, Aeromonas salmonicida, IPNV, ISAV, SAV and VHSV) found in Scottish wild and farmed fish was undertaken. Despite many reported cases in farmed fish, there was a limited number of positive samples from Scottish wild fish, however, there was evidence for interactions between wild and farmed fish. A slightly elevated IPNV prevalence was reported in wild marine fish caught close to Atlantic salmon, Salmo salar L...
July 18, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28708277/first-detection-of-gas-bubble-disease-and-rickettsia-like-organisms-in-paphies-ventricosa-a-new-zealand-surf-clam
#4
P M Ross, A Pande, J B Jones, J Cope, G Flowers
No abstract text is available yet for this article.
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28708262/characterization-of-spac-type-erysipelothrix-sp-isolates-causing-systemic-disease-in-ornamental-fish
#5
E K Pomaranski, S R Reichley, R Yanong, J Shelley, D B Pouder, J C Wolf, K V Kenelty, B Van Bonn, F Oliaro, B Byrne, K A Clothier, M J Griffin, A C Camus, E Soto
Since 2012, low-to-moderate mortality associated with an Erysipelothrix sp. bacterium has been reported in ornamental fish. Histological findings have included facial cellulitis, necrotizing dermatitis and myositis, and disseminated coelomitis with abundant intralesional Gram-positive bacterial colonies. Sixteen Erysipelothrix sp. isolates identified phenotypically as E. rhusiopathiae were recovered from diseased cyprinid and characid fish. Similar clinical and histological changes were also observed in zebrafish, Danio rerio, challenged by intracoelomic injection...
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28707706/the-bone-degenerative-processes-in-senile-fishes-from-holocene-brazilian-shell-mounds
#6
O Aguilera, I Rocha, M S Lopes, I Lima, R T Lopes, A S Machado, R B Guimarães, M A C Crapez, M C Tenório, A Nepomuceno
Zooarchaeological collections from shell mounds in Rio de Janeiro (2,470-4,632 cal BP) contain a high prevalence of swollen fish bones belonging to the Atlantic spadefish (Chaetodipterus faber), crevalle jack (Caranx hippos) and fat snook (Centropomus parallelus). Given the lack of knowledge of the bone degenerative process in senile fishes, this study analysed hyperostotic bone in zooarchaeological and modern specimens to obtain high-resolution morphology and microstructure reconstruction. We used microCT as well as X-ray diffraction to characterize the crystallographic changes associated with fish senility...
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28707705/a-minchinia-mercenariae-like-parasite-infects-cockles-cerastoderma-edule-in-galicia-nw-spain
#7
A Ramilo, E Abollo, A Villalba, M J Carballal
The cockle Cerastoderma edule fishery has traditionally been the most important shellfish species in terms of biomass in Galicia (NW Spain). In the course of a survey of the histopathological conditions affecting this species in the Ria of Arousa, a haplosporidan parasite that had not been observed in Galicia was detected in one of the most productive cockle beds of Galicia. Uni- and binucleate cells and multinucleate plasmodia were observed in the connective tissue mainly in the digestive area, gills and gonad...
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28707704/first-record-of-glugea-plecoglossi-takahashi-egusa-1977-a-microsporidian-parasite-of-ayu-plecoglossus-altivelis-altivelis-temminck-schlegel-1846-in-mainland-china
#8
Q J Zhou, F C Chai, J Chen
No abstract text is available yet for this article.
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28707703/poorly-differentiated-soft-tissue-sarcoma-in-an-arabian-carpet-shark-chiloscyllium-arabicum-gubanov-a-case-report
#9
A C Camus, M M Ibrahiem, F A Alhizab, T A Aboellail, A M Ibrahim
No abstract text is available yet for this article.
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28707702/secondary-immune-response-of-rainbow-trout-following-repeated-immersion-vaccination
#10
R M Jaafar, A Al-Jubury, J K Chettri, I Dalsgaard, P W Kania, K Buchmann
Teleosts are able to raise a protective immune response, comprising both innate and adaptive elements, against various pathogens. This is the basis for a widespread use of vaccines, administered as injection or immersion, in the aquaculture industry. It has been described that repeated injection vaccination of fish raises a secondary immune response, consisting of rapid, accelerated and increased antibody reaction. This study reports how rainbow trout responds to repeated immersion vaccination against yersiniosis (ERM) caused by the bacterial pathogen Yersinia ruckeri...
July 14, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28699699/involvement-of-cholinergic-and-adenosinergic-systems-on-the-branchial-immune-response-of-experimentally-infected-silver-catfish-with-streptococcus-agalactiae
#11
M D Baldissera, C F Souza, P H Doleski, K L S Moreira, M L da Veiga, M I U M da Rocha, R C V Santos, B Baldisserotto
It has been recognized that the cholinergic and adenosinergic systems have an essential role in immune and inflammatory responses during bacterial fish pathogens, such as the enzymes acetylcholinesterase (AChE) and adenosine deaminase (ADA), which are responsible for catalysis of the anti-inflammatory molecules acetylcholine (ACh) and adenosine (Ado) respectively. Thus, the aim of this study was to investigate the involvement of the cholinergic and adenosinergic systems on the immune response and inflammatory process in gills of experimentally infected Rhamdia quelen with Streptococcus agalactiae...
July 12, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28699689/first-report-of-streptococcus-parauberis-in-a-cultured-freshwater-ornamental-fish-the-ram-cichlid-mikrogeophagus-ramirezi-myers-harry-1948
#12
Carlo C Lazado, Sophie Fridman, Tamar Sinai, Dina Zilberg
No abstract text is available yet for this article.
July 12, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28699669/detection-of-mycobacterium-marinum-m-%C3%A2-peregrinum-m-%C3%A2-fortuitum-and-m-%C3%A2-abscessus-in-aquarium-fish
#13
K Puk, T Banach, A Wawrzyniak, Ł Adaszek, J Ziętek, S Winiarczyk, L Guz
No abstract text is available yet for this article.
July 12, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28699666/apoptosis-inhibition-of-atlantic-salmon-salmo-salar-peritoneal-macrophages-by-piscirickettsia-salmonis
#14
S Díaz, M E Rojas, M Galleguillos, C Maturana, P I Smith, F Cifuentes, I Contreras, P A Smith
To improve the understanding of the piscirickettsiosis pathogenesis, the in vivo apoptosis modulation of peritoneal macrophages and lymphocytes was studied in juvenile Salmo salar intraperitoneally injected with Piscirickettsia salmonis. Five fish were sampled at post-exposure days 1, 5, 8 (preclinical), 20 (clinical) and 40 (post-clinical period of the disease), and the leucocytes of their coelomic washings were analysed by flow cytometry (using the JC-1 cationic dye), TUNEL and cytology to detect apoptotic cells...
July 12, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28677232/virulence-associated-factors-in-vibrio-cholerae-non-o1-non-o139-and-v-%C3%A2-mimicus-strains-isolated-in-ornamental-fish-species
#15
V Zago, M Zambon, M Civettini, O Zaltum, A Manfrin
During recent decades, ornamental fish have proven to be one of the fastest growing categories of pets in Europe. In this framework, we evaluated both the potential pathogenic and zoonotic risks caused by 53 Vibrio cholerae non-O1/non-O139 and a Vibrio mimicus strain isolated from ornamental fish species mostly originating from South-East Asia countries between 2000 and 2015 in Italy. All the strains were firstly identified at species level by biochemical, phylogenetic and mass spectrometry (matrix-assisted laser desorption ionization time of flight) methods, and then studied to reveal the presence of the main virulence and colonization-associated factors, as ctxA, ace, zot, stn/sto, toxR, rtxA, hlyA and tcpA by multiplex and single endpoint PCR assays...
July 5, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28677159/gas-gland-adenoma-in-a-lined-seahorse-hippocampus-erectus-perry-1810
#16
J M Stilwell, S M Boylan, S Howard, A C Camus
No abstract text is available yet for this article.
July 5, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28677150/histopathological-changes-on-the-gills-of-asp-aspius-aspius-and-european-catfish-silurus-glanis-caused-by-lamproglena-pulchella-and-a-lamproglena-sp-copepoda-lernaeidae-respectively
#17
K Molnár, A Avenant-Oldewage, B Sellyei, Á Varga, C Székely
In a parasitology survey of Hungarian fishes, heavy infections of parasitic copepods Lamproglena pulchella and a Lamproglena sp. were found in the gills of the asp and the European catfish, respectively. Individuals of both fish species were emaciated and infected with hundreds of Lamproglena. Copepods located close to the tip of gill filaments and formed a depression at the attachment sites. In histological sections, cell degenerations and local haemorrhages were present adjacent to the maxillipeds and where the maxillary claws pierced the gill tissue...
July 5, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28661024/a-follow-up-study-of-selected-biomarkers-of-health-in-cod-gadus-morhua-l-collected-from-the-southern-baltic-off-the-polish-coast
#18
J D Borucinska, D Morka, Z Grabowski, H Smith
Selected biomarkers of health were examined in 50 post-spawning cod Gadus morhua collected in November 2015 from the southern Baltic. The biomarkers included condition factor (CF), macroscopic lesions, histopathology of spleen, liver and gonads, and morphometry of follicular atresia and hepatic and splenic melanomacrophage cells (MMC). All fish appeared in good body condition. One fish had a dermal ulcer, and in seven, macroscopic nematodes were noted within body cavity. Microscopic lesions in the liver included biliary myxozoanosis, microsporidial and necrocentric granulomas, parasitic hepatitis, multifocal necrosis, foci of cellular alterations, spongiosis, peliosis and cytoplasmic fibrillar inclusions...
June 29, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28661002/an-epidemiological-study-of-cataracts-in-wild-and-farmed-lumpfish-cyclopterus-lumpus-l-and-the-relation-to-nutrition
#19
T Jonassen, M Hamadi, S C Remø, R Waagbø
Twelve groups of farmed lumpfish and one of wild lumpfish were screened for cataract and sampled for fish muscle tissue, whole heart and both eye lenses to investigate possible relations between cataract and tissue free amino acid concentrations. Cataract prevalence ranged from 20% to 100%, with the highest average score of 7.3 (max 8) and incidences of severe cataract (>5) in all groups. Cataract could not be explained by suboptimal histidine concentrations in the feed. Neither muscle nor cardiac tissues had concentrations of free histidine compounds...
June 29, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28631828/development-of-a-colloidal-gold-immunochromatographic-assay-gica-for-the-rapid-detection-of-spiroplasma-eriocheiris-in-commercially-exploited-crustaceans-from-china
#20
H Liu, Y Xiu, Y Xu, M Tang, S Li, W Gu, Q Meng, W Wang
Spiroplasma eriocheiris is an emerging pathogen in freshwater crustaceans. In recent years, Eriocheir sinensis, Procambarus clarkii, Litopenaeus vannamei, Macrobrachium rosenbergii and Macrobrachium nipponense had been infected by this pathogen in China. An immunochromatographic strip test using gold nanoparticles was developed for rapidly detecting this pathogen. The strip test based on the principle of sandwich immunoassay by the specific combination between the pathogen and polyclonal antibody on a nitrocellulose membrane...
June 20, 2017: Journal of Fish Diseases
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