Friday, August 31, 2012

31/08/12: ROVs; salmon and ammonia; New Zealand King Salmon

Hello, 
New Zealand King Salmon could lift production from about 8750 tonnes a year to about 22,000 tonnes a year if its application to develop nine new fish farms in the Marlborough Sounds is successful, according to a report in the Marlborough Express.   Read more...
ROVs are playing an increasingly important role in monitoring feeding behaviour and fish welfare.  New to the market is this device created in by the Institute of Marine Research and Nofima in Norway.    Read more...
The second Nofima-related story of the day concerns salmon tolerance of ammonia.  More and more salmon spend the   early stages of life in recirculation systems.  These systems have higher levels of ammonia than flow-through systems.  Researchers found that salmon can tolerate higher levels of ammonia than previously thought.   Read more...
The image shows Tory Channel, a mayor arm of Q...
The image shows Tory Channel, a mayor arm of Queen Charlotte Sound, Marlborough Sounds, South Island, New Zealand (Photo credit: Wikipedia)



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