Biosecurity

Though many are still at the pilot stage and haven’t been proven at an industrial scale, analysis from Spheric Research suggests that indoor shrimp farming has huge potential to transform the wider industry.

Lake Volta might be the most productive aquaculture centre in Ghana, but the current model of fish farming on the lake is unsustainable, according to Dr Kofitsyo Cudjoe, a senior adviser at the Norwegian Veterinary Institute’s Aquatic Animal Health and Welfare…

The environmental impacts of aquaculture are often in the spotlight. The need for sustainable practices is now firmly embedded in the minds of the public, governments and industry – but this sometimes presents trade-offs in fish welfare.

Following a challenging seven years, Nigeria’s first commercial-scale black tiger prawn producer is now up, running and ready to supply high end markets with ASC certified shrimp – from Lagos, to Rotterdam and beyond.

Asia’s shrimp farmers need to reboot their attitude to biosecurity and stocking densities, argues Robins McIntosh, in a follow-on to Monday’s article on the dangers of disinfection*.

The past few months have been gruelling for a number of tilapia farmers on the Kenyan side of Lake Victoria, with the deaths of hundreds of millions of fish.

The overuse of disinfectants, coupled with farmers’ willingness to exceed their systems’ carrying capacities, have been key factors in the downfall of the Asian shrimp sector over the last decade, according to Robins McIntosh*.

More first movers are needed to unlock a market that could have a potentially pivotal impact on the future of key fed aquaculture sectors such as salmon farming*.

Benjamin Orishaba, a 28-year-old Ugandan, is currently managing three tilapia hatcheries for a government fish farming project in Cote D’Ivoire and also runs his own aquaculture consultancy company.

A new multi-cohort trial has demonstrated the efficacy of semi-closed containment systems (SCCS) for Atlantic salmon – with results showing lower lice counts, higher growth rates, higher final weights and higher survival rates for salmon in Preline’s SCCS comp…

Stolt Sea Farm is already one of the leading flatfish farming companies in the West – producing over 7,000 tonnes of turbot and sole in sustainable land-based facilities – and it has ambitious plans to expand.

A new analysis finds that the industry still needs to lay critical groundwork before offshore salmon aquaculture is seaworthy.

Stronger and larger aquaculture units and enclosed set ups could be the next stage of aquatech, according to a review of Norway’s development license scheme for Atlantic salmon.

While the introduction of invasive non-native species such as Nile perch and water hyacinth have had a catastrophic impact on the biodiversity of Lake Victoria, a growing number of initiatives to control them may help to limit the damage and create new jobs.

Paulo Tahara, who farms tilapia at Estância Tahara, in São Paulo state, hopes that the practice and financial benefits brought about by improving the welfare of the fish on his farm will help persuade others to do the same, and perhaps even inspire local legis…

Collectively managed ”sea allotments”, which produce mussels for consumption by local communities, are a growing trend in Denmark, as more people bid to produce environmentally sustainable – and delicious – local seafood.