Nueva Pescanova’s plans for starting the world’s first commercial octopus farm may have caused an uproar in some quarters of the mainstream media, but aquaculture of the animals could be the best hope for sustaining wild stocks.
Efua Konyim Okai, correspondent for The Fish Site, reflects on a recent visit to the first-ever AFRAQ event, which took place in Egypt at the end of March.
Replacing fish oil with linseed oil – a popular dietary supplement for humans – is emerging as a workable nutrition strategy for artic char, brook charr and their reciprocal hybrids.
Emerging research has shown that nutraceuticals in aquafeed can delay the onset and progress of clinical signs of amoebic gill disease (AGD) in farmed Atlantic salmon.
A side-by-side comparison of conventional and insect-based aquafeed ingredients has found that insect meals and oils come with a larger carbon footprint and require more energy to produce than marine ingredients – but this discrepancy might be short-lived.