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Salmon Farmers Invest in Green Technology

Press Release Well Boat Will Reduce Therapeutant Use and Improve Sea Lice Management St George – The Ronja Carrier, chartered from the Norwegian company Solvtrans, will be in the Bay of Fundy for the next six months to help salmon farmers control sea lice on salmon farms. Salmon will be carefully pumped from the farm enclosure into the hold of the well boat where they will be immersed in a mixture of seawater and approved therapeutant to remove sea lice, a naturally occurring parasite. Fish are then returned to their enclosure. ....View More


NB Salmon Farmers Trigger Over Half A Billion Dollars of Economic Activity Across Canada

Press Release St. George, NB – Based on three key indicators – GDP, employment and labour income a new socio-economic report commissioned by the Department of Fisheries and Oceans demonstrates how the Canadian aquaculture industry generates over $2 billion annually for the national economy with New Brunswick triggering over half a billion dollars of economic activity across Canada. ....View More


Sea Lice Research Development Workshop Report Jan 2010

In 2009 NB DAA, in support of the aquaculture industry, applied to the Pest Management Regulatory Agency (PMRA) for the Emergency Registration (ER) of two bath treatments, ALPHA MAX® and Salmosan®, as alternatives to SLICE® for sea lice treatment. ....View More



Carotenoids: Essential for Normal Growth and Development

The characteristic pink to red-orange color of wild and farmed salmon is due to the presence of two molecules called astaxanthin and canthaxanthin. In addition to salmon, astaxanthin gives many crustaceans – such as shrimp, crayfish, crabs and lobster – their characteristic color.

Astaxanthin and canthaxanthin are members of a class of naturally occurring pigments known as carotenoids. While beta-carotene – the pigment that makes carrots orange – is the most familiar carotenoid, these pigments are found almost everywhere: in bacteria, plankton, fungi, fish, reptiles, insects, birds, mammals, flowers, leaves and fruits.

All of these living organisms require carotenoids for their proper growth and development. Carotenoids are like vitamins; if intakes are inadequate, health may be compromised. Only plants - and their microscopic relatives called microalgae – can actually make carotenoids. Animals must obtain carotenoids by eating plant material – or by eating an animal that consumes plant material.

In the wild, salmon fulfill their requirement for carotenoids by eating small crustaceans and fish – whose food sources include the carotenoid-producing microalgae. Like their wild relatives, farmed salmon also need astaxanthin for their normal growth and development. However, within their sea cages, farmed salmon do not have access to sufficient small crustaceans and fish to meet their carotenoids requirements. As a result, salmon farmers must add carotenoids, along with other key vitamins and minerals, to the salmon diet to ensure good health as well as proper skin and flesh color.