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  • 1
    Electronic Resource
    Electronic Resource
    Histopathology of Edwardsiella ictaluri in channel catfish, Ictalurus punctatus (Rafinesque) (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 8 (1985), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1985.tb00961.x
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  • 2
    Electronic Resource
    Electronic Resource
    Susceptibility of five species of fish to Edwardsiella ictaluri (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 6 (1983), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. Five species of fingerling fish, channel catfish, Ictalurus punctatus, tilapia, Sarotherodon aureus, golden shiner, Notemigonus crysoleucas, largemouth bass, Micropterus salmoides and bighead carp, Aristichthys nobilis, were tested to determine their susceptibility to the bacterium, Edwardsiella ictaluri, at 26°C, Channel catfish demonstrated high susceptibility to E. ictaluri as 100% of those fish injected with 1.5 × 103 cells died within 10 days. Tilapia demonstrated slight susceptibility to the pathogen while golden shiner, bighead carp and largemouth bass were not susceptible. E. ictaluri was isolated from a higher percentage of peritoneal cavities, livers and kidneys of channel catfish than of other species. Sequential growth of E. ictaluri in the liver of channel catfish is described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1983.tb00075.x
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  • 3
    Electronic Resource
    Electronic Resource
    Histopathology of experimental Streptococcus sp. infection in tilapia, Oroochromis niloticus (L.), and channel catfish, Ictafurus punctatus (Ratinesque) (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 19 (1996), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Nile tilapia, Oreochromis niloticus (L.), and channel catfish, Ictalurus punctatus (Rafinesque), were experimentally infected by immersion with three isolates (Lake, DL8O5 and MS91452) of Streptococcus sp. from diseased fish. To enhance infection, the lateral body surface of each fish was scraped prior to bacterial exposure. The Lake and DL8O5 isolates caused exophthalmia, ocular opacity and ocular haemorrhage in some tilapia. Histopathology of these fish revealed; meningitis; polyserositis of heart, liver, spleen, ovary and kidney; splenitis; ovaritis; and myocarditis. Isolate MS91452 induced only mild granulomas in spleen, kidney and ovary of tilapia. The Lake and DL8O5 isolates induced endophthalitis, Channel catfish infected with the Lake and DL805 isolates developed similar eye lesions to tilapia. Histologic lesions caused by all three isolates in channel catfish consisted of meningoencephalitis, mild myocarditis, splenitis and ovaritis, but these lesions were not as severe as in Nile tilapia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1996.tb00130.x
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  • 4
    Electronic Resource
    Electronic Resource
    Histopathology, electron microscopy and isolation of channel catfish virus in experimentally infected European catfish, Silurus glanis L. (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 11 (1988), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract Two groups of European catfish, Silurus glanis L., fingerlings were infected with channel catfish virus (CCV) by either intraperitoneal injection with 105 TCID50 of CCV, or bathing in water containing 105 TCID50 of CCV per 1·0 ml. The virus was isolated from spleen, intestine and brain of CCV-injected fish at day 1 and the titres ranged from 102·1 to 103·3 TCID50/g. However, the tissue distribution of CCV was irregular and no virus was isolated after day 3 post-exposure. In CCV-bathed fish, the virus was isolated only from the liver of one specimen at day 3 post-exposure. No clinical signs of CCV disease developed in any of the fish. Specimens in each regime from all sampling periods showed some minor histopathological changes, but there were no differences between treatments. Lesions included oedema and focal haemorrhage in the liver and the spleen was congested. Electron micrographs of tissue samples showed the presence of a few virus particles around the nuclei of kidney, spleen and intestinal cells, and in or around a myelinated nerve within the optic lobes of infected fish during the first 4 days of infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1988.tb01230.x
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  • 5
    Electronic Resource
    Electronic Resource
    Serological detection of Edwardsiella ictaluri Hawke lipopolysaccharide antibody in serum of channel catfish, Ictalurus punctatus Rafinesque (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 10 (1987), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. Bacterial agglutination, passive haemagglutination, complement-dependent passive haemolysis, indirect immunofluorescence, agar gel immunodiffusion and agglutination with fractions of immunized fish serum were compared for detecting humoral antibody to the lipopolysacchande (LPS) of Edwardsiella icialuri Hawke in channel catfish. Bacterial agglutination titres averaged 1: 672; passive haemagglutination titres averaged 1: 1152; and complement-dependent haemolysis titres averaged 1: 2360. Serum from non-vaccinated fish ranged from 0 to 1:32. Indirect fluorescence and immunodiffusion demonstrated positive reactions to the LPS antibody. Fractionation of immune sera produced three fractions, one of which strongly haemagglutinated E. ictaluri but the other two did not. All six serological techniques were sensitive to E. ictaluri LPS antibody.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1987.tb01062.x
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  • 6
    Electronic Resource
    Electronic Resource
    Serological comparison of golden shiner virus, chum salmon virus, reovirus 13P2 and catfish reovirus (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 11 (1988), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1988.tb00741.x
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  • 7
    Electronic Resource
    Electronic Resource
    Edwardsiella ictaluri from walking catfish, Clarias batrachus L., in Thailand (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 10 (1987), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1987.tb00729.x
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  • 8
    Electronic Resource
    Electronic Resource
    An assessment of the antigenic homogeneity of Edwardsiella ictaluri using monoclonal antibody (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 11 (1988), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. Monoclonal antibodies were made against the reference strain of Edwardsiella ictaluri (ATCC 3320). Antibody produced by one of seven anti-E. ictaluri hybridomas reacted positively by the immunofluorescent antibody technique against 17 other E. ictaluri isolates. All hybridoma antibodies failed to react with six other bacterial species pathogenic to fish including E. tarda. Ouchterlony tests indicated that four anti-E. ictaluri clones produced only one kind of immunoglobulin. Electrophoresis of 14 different E. ictaluri isolates indicated identical protein bands at 36 and 60 kilodaltons (KD) in all isolates except an isolate from Thailand. Using the immunoblot method, channel catfish anti-E. ictaluri serum reacted with protein bands at 34 and 60 KD, which indicates that this molecular weight protein in the bacterium may be the dominant immunoprotein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1988.tb00749.x
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  • 9
    Electronic Resource
    Electronic Resource
    Toxicity and efficacy of Furanace on channel catfish Ictalurus punctatm (Rafinesque) infected experimentally with Aeromonas hydrophila (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 3 (1980), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. The 96-h medium tolerance limit of Furanace (nifurpirinol: P-7138) for channel catfish Ictalurus punctatus at 21°C was 0-94 mg/1. The most effective treatment level for channel catfish, experimentally infected with Aeromonas hydrophila, was 2mg/1 for 6.5 h. Furanace at 0.5 and 1.0 mg/1 in brain heart infusion agar reduced in vitro growth of A. hydrophila and at 2.0 mg/1 growth was completely
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1980.tb00192.x
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  • 10
    Electronic Resource
    Electronic Resource
    Vaccination of channel catfish, Ictalurus punctatus (Rafinesque), by immersion and oral booster against Edwardsiella ictaluri (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 16 (1993), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. A commercially prepared vaccine against Edwardsiella ictaluri was used to vaccinate 12-day-old channel catfish fry by immersion, or by immersion plus an oral booster 2 months later. One month after the fish were fed the booster vaccine, they were challenged by waterborne exposure to 2·1 × 106 cells ml−1 of E. ictaluri. Immersion only vaccinated fish suffered 6·7% mortality and immersion plus oral-boosted fish had a 3·3% mortality. Mortality among non-vaccinated controls was 96·7% and was significantly (P 〈 0·01) above the vaccinated mortality. The relative per cent survival for the immersion-only fish was 93·1, while it was 96·6 for the immersion plus oral-boosted fish. Agglutinating antibody titres of the vaccinated fish were significantly (P 〈 0·05) higher than the control fish. When the ponds were drained 6 months after stocking, 42·7% of non-vaccinated, 56·3% of immersion-only and 70·8% of immersion plus oral-boosted fish were harvested. Survival of immersion plus orally-boosted fish was significantly (P 〈 0·05) higher than the controls of immersion-only fish. Duplicate populations of immersion plus oral-booster-vaccinated fish grew 34% and 56% faster, respectively, on an average daily gain than the control fish, while immersion-only fish in one pond grew 20% less per day and fish in the second pond grew 48% faster.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1993.tb00848.x
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