Nutrition

The level of success we get in catfish farming is usually tied to the level of management practices we decide to put in place in conjuction with the level of efficiency we achieve from our culture systems, writes Lanre Ogunsina, Fish Unlimited. Part 2 and 3 co…

Tilapia has drawn much attention lately and been recognized by FAO as the most potent culture fish species in supplying human protein source of the Century.

Atlantic halibut (Hippoglossus hippoglossus) is a marine, cold-water flat fish that is farmed in Canada, Iceland, the UK and Norway. The development of halibut aquaculture began in the 1980's but it is only in recent years that many of the challenges in farmin…

Feed represents the largest production cost in tilapia (Oreochromis niloticus). As a result of ever increasing raw material prices, nutritionists are under continuous pressure to reduce formulation cost and search for cheaper, alternative ingredients, write Gi…

In a collaborative research project between the University of Stirling and Rothamsted Research, scientists have developed genetically modified (GM) plants that can produce up to 20 per cent of eicosapentaenoic acid (EPA), one of the two omega-3 LC PUFA conferr…

This article, by Oleksandr A. Byelashov & Mark E. Griffin (Omega Protein Inc.), contributes to the ongoing debate regarding the sustainability of fishmeal and fish oil in aquaculture diets. It demonstrates why the Fish In, Fish Out metric, which is frequen…

Not all species may suffer from climate change. A new analysis shows that Dolly Varden, a species of char common in southeast Alaska, adjust their migrations so they can keep feasting on a key food source - salmon eggs - even as shifts in climate altered the t…

The aquaculture industry is increasingly reliant upon industrially compounded aquafeeds, and the availability of cost-effective feedstuffs is a serious constraint to continued growth within the aquaculture sector, write Jesse T. Trushenski and Alexis Bergman.