One year ahead of the deadline for implementation of complete organic aquaculture life cycle - organic ova/fry is available from danish hatcheries.According to the EU Regulation on Organic Aquaculture, the fish production shall exclusively be based on organic fry from 2016. Particularly, in organic farming, medication is only allowed within very strict limits. Therefore, the robustness of the fry to diseases is crucial. Especially, this concerns the most serious trout fry disease in Danish aquaculture, Rainbow Trout Fry Syndrome (RTFS). The robustness of the fry seems to be related to larval developmental rate and to the dietary content of specific Ω-3 fatty acids (HUFAs). Therefore a recently launched project Robustfish are going to perform stress and... |