Functional feeds

Jim Treasurer, co-editor of a new comprehensive publication on sea lice, looks back on over three decades of working to combat aquaculture’s best known and most costly ectoparasites.

Flexible ingredient formulations, enzymes, optimised microbiomes and genetics are playing their part in bringing multiple farmed fish species closer to precision nutrition, according to Alltech’s global manager of aquaculture research.

A traditional Chinese herbal prophylactic, containing bioavailable phytonutrients recovered from the Camellia sinensis tea bush, has been shown to protect shrimp from outbreaks of AHPND and WSSV.

Researchers are beginning to highlight the potential of immunostimulants as a sustainable disease prevention strategy for shrimp aquaculture. Here’s a run-down of how these molecules work, their origins and how they can be used to combat outbreaks of white spo…

There’s plenty of room for improvement in both shrimp feeds and genetics according to Ronnie Tan, Johan Brouwer and Willem van der Pijl.

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.

Indonesia’s aquafeed producers – be they industrial players or farmers who produce feed independently – are increasingly looking towards the use of local and sustainable alternatives to fish meal and soy.

Shrimp fed diets containing FeedKind, a novel microbial protein produced by Calysta, have been shown to be more resistant to Vibrio parahaemolyticus – the source of early mortality syndrome (EMS).

Heidi Kuehnle, founder and CEO of Kuehnle AgroSystems, has developed an innovative, patented means for producing natural astaxanthin – one of the key ingredients in feeds for species including Atlantic salmon and vannamei shrimp.