Acronym NA
Category
Aquaculture
Title Parvicapsula pseudobranchicola: Øke kunnskapen og redusere tap - Parvicapsula pseudobranchicola: Increase knowledge and reduce loss Programme National Programme
Instrument (FP6)
Contact Type (FP7)
Strand (Interreg)
NA
Theme (FP7)
Activity Area (FP6)
Regional Area (Interreg)
Action (COST)
NA
Specific Programme (FP7)
NA
Funding source National Coordinator Øyvind Brevik Coordinator email oyvind.brevik@mainstream.cl
Coordinator institution
NA
Institutions involved
NA - Grieg Seafood Finnmark AS (Norway) ,
IMR - Institute of Marine Research (Norway) ,
NA - Lerøy Aurora AS (Norway) ,
NVI - Norwegian Veterinary Institute (Norway) ,
UiB - University of Bergen (Norway) ,
Start year 2013 End year 2017 Funding (€) € 712,725 Website https://www.fhf.no/prosjekter/prosjektbasen/900896/ Summary The disease parvicapsulosis in salmon is caused by a microscopic parasite, Parvicapsula pseudobranchicola , from a very special group of parasites called mucosal spores (Myxozoa, Myxosporea). The disease was discovered in farmed salmon in the sea in Troms and Finnmark in 2002, in connection with extensive mortality. Since then, the parasite has been detected in farmed salmon in all areas with farming in Norway.
Parvicapsulosis represents a significant disease problem, with increasing severity in the north. The infections can cause mortality, but the most common consequence is reduced growth and ""production"" of tapered fish. During severe parvicapsulose outbreaks, 1000–10,000 tapered fish will be found in some cages. These fish are unresponsive to stimuli and faint on the surface. Parvicapsulosis is one of the most damaging diseases of the sea phase in Troms and Finnmark.
11 years after the parasite was first described, the industry has no treatment or prophylactic measures against the parasite. This is due to lack of knowledge about the parasite's life cycle in and outside the fish.
Project background from previous projects shows that the parasite has an infection window in the period June – October, where the infection pressure is greatest in September.
Objectives: To increase knowledge about the parasite and look at measures to reduce losses associated with disease outbreaks of P. pseudobranchicola.
Sub-objective
• To identify the main host of P. pseudobranchicola (Activity A1).
• To identify risk factors in connection with outbreaks of parvicapsulosis, and use this to improve the production strategy (Activity A2).
• To document mortality in Parvicapsulose fainters (Activity A3).
• To describe tissue tropism and characterize the development of P. pseudobranchicola in salmon (Activity A4).
• To measure the effect of smolt size and seawater habituation on the development of parvicapsulosis (Activity A5).
• To develop a filtering method for the detection ofP. pseudobranchicola spores in seawater (Activity A6).
• To conduct field trials with skirts as a measure against infection with P. pseudobranchicola (Activity A7).
Keywords
Engineering;
Fish;
Cage aquaculture;
Disease;
Salmon;
Open sea aquaculture;
Parasite;
Fish health;
Bacteria;
Marine Region
76
Not associated to marine areas
0
Marine Region Map
