Microalgae can increase efficiency and sustainability of recirculating aquaculture systems

Incorporating microalgae into recirculating aquaculture systems (RAS) can more effectively manage waste while transforming it into valuable products, according to researchers in Germany and Belgium.

photo of green algae under the microscope

Microalgae can increase efficiency and sustainability of recirculating aquaculture systems

Sound Science

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Stomach-resistant oral vaccines could offer fish farmers easier vaccine administration

Oral vaccines hold a great deal of promise for fish farmers. Easier and quicker to administer than injected vaccines, they are also potentially suitable for fish that are too small for injection vaccination, including larval stages.

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Molecular testing sheds new light on troublesome microorganism which threatens fish

A new molecular approach has revealed the ubiquitous and opportunistic nature of Saprolegnia parasitica, a fungal-like microorganism that can cause significant disease and economic loss.

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The future of sea louse control on salmon farms: do genetic technologies hold the key?

Genetic technologies could give salmon farmers the crucial tools they need to prevent sea louse infestations, according to researchers.

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Revealing farmed sea bream’s diverse microbiome could aid health improvements

The microbiome of gilthead seabream farmed in the Mediterranean appears to be very distinct from that of their surrounding environment — offering new insight which may help in managing health issues associated with the species.

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How to balance fish welfare and environmental protection in aquaculture

Fish farmers’ efforts to protect the environment often come at a cost to fish welfare, say scientists at the University of Melbourne, in a new opinion paper.

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Columnaris disease affects Nile tilapia eggs and larvae, study suggests

Columnaris disease, a potentially devastating condition affecting freshwater finfish, has been found infecting Nile tilapia eggs and larvae for the first time.

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Understanding, but not application, of sustainable health measures in Vietnam’s pangasius industry

Pangasius farmers in Vietnam generally view vaccination in a positive light and are concerned about antibiotic use, although further work is required to ensure sustainable practices are widely implemented, new research led by University of Stirling suggests.

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Lack of coordination threatens biosecurity in Spanish marine-fish farming

Spain’s marine aquaculture industry needs to make changes in order to meet biosecurity threats, according to a new EU-backed report.