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Effect of ozone and hydrogen peroxide on off-flavor compounds and water quality in a recirculating aquaculture system
Pettersson, Samu Johannes; Lindholm-Lehto, Petra Camilla; Pulkkinen, Jani Tapio; Kiuru, Tapio; Vielma, Jouni (Elsevier BV, 2022)The recirculating aquaculture system (RAS) is an ever-developing technology for producing fish with a low environmental impact. However, off-flavors can be a major problem in RAS fish production. Off-flavor compounds are ... -
The effects of different combinations of fixed and moving bed bioreactors on rainbow trout (Oncorhynchus mykiss) growth and health, water quality and nitrification in recirculating aquaculture systems
Pulkkinen, Jani T.; Eriksson-Kallio, Anna M.; Aalto, Sanni L.; Tiirola, Marja; Koskela, Juha; Kiuru, Tapio; Vielma, Jouni (Elsevier BV, 2019)The effect of bioreactor design on nitrification efficiency has been well studied, but less is known about the overall impacts on water quality. Besides nitrification, submerged fixed bed bioreactors (FBBR) trap fine solid ... -
The effect of peracetic acid on microbial community, water quality, nitrification and rainbow trout (Oncorhynchus mykiss) performance in recirculating aquaculture systems
Suurnäkki, Suvi; Pulkkinen, Jani T.; Lindholm-Lehto, Petra C.; Tiirola, Marja; Aalto, Sanni L. (Elsevier, 2020)Microbial biofilters control water quality and enable the overall function of recirculation aquaculture systems (RAS). Changes in environmental conditions can affect the abundance and interactions of the diverse microbial ... -
Effect of peracetic acid on levels of geosmin, 2-methylisoborneol, and their potential producers in a recirculating aquaculture system for rearing rainbow trout (Oncorhynchus mykiss)
Lindholm-Lehto, P. C.; Suurnäkki, Suvi; Pulkkinen, Jani; Aalto, Sanni L.; Tiirola, Marja; Vielma, J. (Elsevier BV, 2019)In recirculating aquaculture systems (RAS)s, off-flavors and odors, mainly caused by geosmin (GSM) and 2-methylisoborneol (MIB), can accumulate in the flesh of fish from RAS water, reducing the profitability of production. ... -
Depuration of geosmin- and 2-methylisoborneol-induced off-flavors in recirculating aquaculture system (RAS) farmed European whitefish Coregonus lavaretus
Lindholm-Lehto, P.C.; Vielma, J.; Pakkanen, H.; Alén, R. (Springer, 2019)European whitefish Coregonus lavaretus has increasingly become an important species for aquatic food production, especially in the Nordic countries. Whitefish is produced in traditional cage and pond operations, and in ...