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.
Alexsandra Caseiro is one of the stalwarts of the Brazilian aquaculture sector, spending two decades in the feed sector, before setting up her own consultancy firm, operating mainly in in Chile, Peru, Ecuador, Venezuela, Mexico and Brazil.