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Weekly Overview: Scientists a Step Closer to Discovering Perfect Feed for Wrasse

Lucy Towers
06 November 2013, at 12:00am

ANALYSIS - In this week's news, researchers at NIFES, Norway, are a step closer to finding the perfect feed for ballan wrasse, writes Lucy Towers, TheFishSite Editor.

The study describes what is believed to be the optimal nutritional composition of feed for wrasse as: 65 per cent protein, 12 per cent fat and 16 per cent carbohydrates.

The research team also found that the wrasse used in aquaculture to combat sea lice were not being fed sufficient amounts of certain micronutrients such as taurine, calcium, phosphorus and vitamins, A, D and K. 

Leading global salmon feed supplier EWOS is now independent and set for growth after its sale to private equity companies Altor Fund III and Bain Capital was completed.

The former Cermaq company will now be seeking to recruit new employees to fill various functions at a group level. 

“EWOS has a strong global market position and our key strength is our considerable knowledge of nutrition, production and logistics, especially through our R&D company EWOS Innovation. We are set to use this strong platform for further growth,” said EWOS CEO Einar Wathne.

Commenting on the closing of the transaction, Cermaq CEO Jon Hindar stated: "I trust that this transaction will provide good development prospects for EWOS, its employees and the new owners, and Cermaq look forward to continue the strong and important collaboration with EWOS in the coming years."  

In disease news, an outbreak of Infectious Salmon Anaemia (ISA) has been reported in Gulen, Norway. This is the first time ISA has been reported in the area.

Oyster movement restictions have been applied in Poole Harbour, UK, after oyster herpesvirus (OsHV-1 µvar) was confirmed in juvenile Pacific oysters.

An outbreak of herpesvirus was also detected on an oyster farm in Pontevedra, Galicia, Spain.