Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water

© 2017 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 40(2017), 10 vom: 01. Okt., Seite 1387-1394
1. Verfasser: Wiik-Nielsen, J (VerfasserIn)
Weitere Verfasser: Gjessing, M, Solheim, H T, Litlabø, A, Gjevre, A-G, Kristoffersen, A B, Powell, M D, Colquhoun, D J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Branchiomonas cysticola Epitheliocystis gill disease recirculation aquaculture systems water born infection
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520 |a © 2017 John Wiley & Sons Ltd. 
520 |a Elucidation of the role of infectious agents putatively involved in gill disease is commonly hampered by the lack of culture systems for these organisms. In this study, a farmed population of Atlantic salmon pre-smolts, displaying proliferative gill disease with associated Candidatus Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Atlantic salmon gill pox virus (SGPV) infections, was identified. A subpopulation of the diseased fish was used as a source of waterborne infection towards a population of naïve Atlantic salmon pre-smolts. Ca. B. cysticola infection became established in exposed naïve fish at high prevalence within the first month of exposure and the bacterial load increased over the study period. Ca. P. salmonis and SGPV infections were identified only at low prevalence in exposed fish during the trial. Although clinically healthy, at termination of the trial the exposed, naïve fish displayed histologically visible pathological changes typified by epithelial hyperplasia and subepithelial inflammation with associated bacterial inclusions, confirmed by fluorescent in situ hybridization to contain Ca. B. cysticola. The results strongly suggest that Ca. B. cysticola infections transmit directly from fish to fish and that the bacterium is directly associated with the pathological changes observed in the exposed, previously naïve fish 
650 4 |a Journal Article 
650 4 |a Branchiomonas cysticola 
650 4 |a Epitheliocystis 
650 4 |a gill disease 
650 4 |a recirculation aquaculture systems 
650 4 |a water born infection 
700 1 |a Gjessing, M  |e verfasserin  |4 aut 
700 1 |a Solheim, H T  |e verfasserin  |4 aut 
700 1 |a Litlabø, A  |e verfasserin  |4 aut 
700 1 |a Gjevre, A-G  |e verfasserin  |4 aut 
700 1 |a Kristoffersen, A B  |e verfasserin  |4 aut 
700 1 |a Powell, M D  |e verfasserin  |4 aut 
700 1 |a Colquhoun, D J  |e verfasserin  |4 aut 
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773 1 8 |g volume:40  |g year:2017  |g number:10  |g day:01  |g month:10  |g pages:1387-1394 
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