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Entries with tag fish .

Probiotic toxin fights coldwater disease in rainbow trout

When a rainbow trout falls prey to coldwater disease, its colorful body erodes into ragged wounds and ulcers. The bacterial infection can kill up to 30 percent of hatchery stock and costs millions of dollars in economic loss. After 15 years of research, scientists at the University of Idaho and Washington State University have found a simple and effective method to combat the disease...
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Fish farming industry could benefit from keeping fish in semi-closed or closed systems for part of their life cycle

New research  conducted by scientists at Uni Research in Bergen, Norway has found that the  fish farming industry could benefit from keeping fish in semi-closed or closed systems for part of their life cycle.  Problems with lice and losses can be heavily reduced by placing farmed fish in closed systems until the fish reach a weight of one kilo.  "The open sea...
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Decline in ocean plankton species could be bad news for cod and hake

A species of  ocean plankton, is heading for extinction as it struggles to adapt to changes in sea temperature. And it may take local fisheries with it. Research led by Deakin University (Warrnambool, Australia) and Swansea University (UK) has found that a species of cold water plankton in the North Atlantic, that is a vital food source for fish such as cod and hake, is in decline...
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New study concludes there is no concrete evidence that fish feel pain in same way as humans

Fish do not feel pain the way humans do. That is the conclusion drawn by an international team of researchers consisting of neurobiologists, behavioural ecologists and fishery scientists. Following a  revised Animal Protection Act in Germany , the question of whether or not fish are really able to feel pain or suffer in human terms is once again on the agenda. A definitive...
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Study finds that European fish stocks are poised for recovery

The results of a major international effort to assess the status of dozens of European fish stocks find that many of those stocks in the northeast Atlantic are being fished sustainably today and that, given time, those populations should continue to recover. The findings, reported in the Cell Press journal Current Biology on July 18, come as surprisingly good news amid widespread...
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Why we need to put the fish back into fisheries

Overfishing has reduced fish populations and biodiversity across much of the world's oceans. In response, fisheries are increasingly reliant on a handful of highly valuable shellfish. However, new research by the University of York shows this approach to be extremely risky. The ecological effects of intensive fishing. From left to right, fishing effort increases over time. As a...
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New era of fisheries policy needed to secure nutrition for millions

Securing the critical contribution of wild fish stocks to food and nutrition security in the developing world depends on better governance and management of the fisheries sector. Fish is a key source of animal protein, fatty acids, vitamins, and micronutrients like iron and zinc that contribute to a balanced diet, and is a particularly important food source in many developing countries....
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