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Not Available Bacterial pathogens in salmonids, such as Renibacterium salmoninarum and Aeromonas salmonicida, are difficult to identify by conventional diagnosis due to their extremely slow growth and the absence of an efficient selective medium. Diseases caused by these pathogens represent a serious problem both in the fishing industry and for conservation efforts. While several PCR-based assays ...

If aquaculture is to become an increasing contributor to the food supply, it is critical that aquaculture feeds become less reliant on marine-derived fishmeal and fish oil as the preferred source of essential proteins and lipids. Not only is the wild fishery from which these products are extracted at maximum sustainable levels of harvest, but also there is increasing concern that these feedstocks ...

The aquaculture industry currently consumes 70 percent of the global production of fish oil and 35 percent of total fishmeal. The salmon and trout fish farming sectors alone consume over one half of the world¿s fish oil. And if fish farming continues to grow at the current rate, then by 2010 the aquaculture industry could well be using all of the world¿s fish oil and half of its fishmeal. The ...

A large area (diameter > 200 micrometer) mesa type InGaAs/InAlAs avalanche photodiode with a novel surface passivation technique is proposed for photon counting at eye-safe wavelength of > 1.4 micrometer. The device is expected to exhibit high detection efficiency, low dark count rate with minimal afterpusling, due to the small k factor of InAlAs gain material and the unique mesa sidewall treatmen ...