Trout

The aquaculture industry is increasingly reliant upon industrially compounded aquafeeds, and the availability of cost-effective feedstuffs is a serious constraint to continued growth within the aquaculture sector, write Jesse T. Trushenski and Alexis Bergman.

Effective bath immunization systems may be very helpful to the salmon industry, particularly during the freshwater growth stages in which vaccination through injection is not possible, write Dr Juan Battaglia Aljaro, Velsquez S. and Ilardi P., Veterqumica S.A.…

Individual differences in moving activity in a novel environment are linked to individual differences in vulnerability to angling, according to an experimental study completed at the University of Eastern Finland and the Finnish Game and Fisheries Research Ins…

Research into the use of recirculating aquaculture systems (RAS) addresses the question of how to achieve profitable production while consistently recycling water and nutrients with minimal fresh water demand and waste production. M Buric et al, University of …

Jan G. Davidsen and his graduate students are spies. They use listening stations and special tags they attach to their subjects to track their movements. They follow their subjects winter and summer, day and night.They are in pursuit of secrets and are relentl…

Proliferative kidney disease is a widespread disease of farmed and wildsalmonid populations in Europe and North America, caused by the myxozoan parasite Tetracapsuloides bryosalmonae. Ahmed Abd-Elfattah et al, University of Veterinary Medicine, Austria, evalua…

Salmon lice Lepeophtheirus salmonis Kryer may affect survival and growth ofanadromous salmonids through physiological stress and/or behavioural changes. Using acoustic telemetry tracking, Karl ystein Gjelland et al, Norwegian Institute for Nature Research, inv…

Two real-time reverse transcription polymerase chain reaction (rRT-PCR) assaysunder consideration for deployment to multiple testing laboratories across the USA were evaluated for diagnostic sensitivity and specificity on tissue homogenates obtained from natur…

Eight laboratories worked collectively to evaluate 4 real-time RT-PCR (rRT-PCR) protocols targeting viral hemorrhagic septicemia virus (VHSV) being considered for deployment to a USA laboratory testing network, write Janet V. Warg et al, National Veterinary Se…