Dominic Nanton

Towards the Digital Salmon: From a reactive to a pre-emptive research strategy in aquaculture (DigiSal)

Salmon farming in the future must navigate conflicting and shifting demands of sustainability, shifting feed prices, disease, and product quality. The industry needs to develop a flexible, integrated basis of knowledge for rapid response to new challenges. Project DigiSal will lay the foundations for a Digital Salmon: an ensemble of mathematical descriptions of salmon physiology, combining ...

Salmon farmed on modern feeds contains less of the healthy, long-chain fatty acids (EPA and DHA) than before. Up until the turn of the millennium, farmed salmon were fed fish oil as a replacement for their omega-3 rich natural prey. However, fish oil is now a scarce resource, and more than half of the fat in modern feeds comes from plant oils that are inexpensive, but devoid of long-chain omega-3 fatty acids. How can we increase the omega-3 content of salmon on sustainable feeds?

One option is ...

At the GenoSysFat startup meeting 2015-04-22, Dominic Nanton of EWOS described the feeds they made for GenoSysFat.

Describes recipes with linseed oil (LNO) and palm oil (PO) to provide the 18:3n-3 precursor to EPA and DHA and match saturation of 100% fish oil (FO) control diet at ca 0.7 mass% EPA+DHA.

Page 2: Overview Page 3-4: Description of feeds. Feed no., Code, Initial fish weight (g), Feed size (mm), Fish number (3000), Feed (kg) Page 5-7: Feed formulations. Feed number, Feed name, Feed size ...

Describes how the DNA was isolated from salmon intestinal samples before preparations of 16S rRNA gene amplicons for the Illumina MiSeq system.