Previous and current trends in the usage of antimicrobial drugs in Norwegian aquaculture
نویسندگان
چکیده
The sales figures of antimicrobial (AM) drugs for farmed Atlantic salmon (Salmo salar) and rainbow trout (Oncorhynchus mykiss) in Norwegian aquaculture was high, although varying, in the period 1981-1994. Since then the usage in these species has been negligible in spite of the huge increase in the biomass fish produced. This is mainly due to the introduction of efficient vaccines against the major bacterial diseases in these fish species. Also, the selection of fish-farm locations with good water exchange rates as well as a general improvement of the hygiene is believed to have contributed to the favourable health status of farmed salmonids in Norwegian aquaculture.
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