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Tag: aquaculture

What do mussels do when subjected to warmer water?

Shelby Clarke picks up a cluster of mussels from a tank. She is measuring mussel death rates, she explains. Scientists are investigating how mussels will react to future heat waves.

58 million salmon died in Norwegian fish farms last year

In 2022, 58 million salmon died in Norwegian fish farms, an increase of one million salmon from the previous year.

Can Norway make money from a tiny crustacean?

The ocean contains endless untapped food resources, such as seaweed, kelp, algae and krill. But it costs time and money to turn them into useful products. One company has now succeeded in exporting several thousand tonnes of krill for animal feed and nutritional supplements.

How to measure a whale’s hearing

Researchers to find out whether whales are bothered by noise from underwater mining, oil drilling and ship traffic.

Electric fence against salmon lice

An electric fence keeps the salmon healthy. But we will never find a lasting solution to salmon lice, says one researcher.

The benefits of probiotics could change the impact of dangerous bacteria in oceans

SHARE YOUR SCIENCE: Bacteria are everywhere. In a world hidden from our eyes, they are the major influencers in the environment and our body. Let’s dive deeper into bacteria roles and benefits.

These measures can slow lice infestations on farmed salmon

A study of nearly 50 million salmon over six years shows that cleaner fish can delay lice infestations at salmon farms — if there are enough of the cleaner fish. As a result, fish farms could reduce the number of delousing procedures.

Feeding the future’s farmed salmon

One of the biggest critiques of farmed salmon is that their feed is made from raw materials that could be eaten by humans. Norwegian scientists are working to make fish food from trees and leftovers from the food industry.

Spying on seals with videocams and sensors

Researchers are equipping seals with cameras and sensors to find out exactly what they do down in the deep blue sea.

Fish in drug-tainted water see some benefits

Swedish freshwater perch have been seen to thrive in water contaminated by anti-anxiety medications. Researchers think most studies, which look solely at the negative aspects of pharmaceutical pollution, could be missing some perks for perch.