Tag: agriculture fisheries

Pioneering ocean seafloor – new Greenlandic maps can make fishing more effective and sustainable

The novel seafloor maps show what’s hidden at the ocean bottom with a precision of 1 meter and allow the fishers to avoid dangerous rocky cliffs.

New test procedures will save dairy cows from Mycoplasma bovis disease

Disease caused by the bacterium Mycoplasma bovis in dairy herds can now be diagnosed more easily and quickly, resulting in better welfare for cows and reducing financial losses for farmers.

An eco-friendly cure for a global fish-killing disease

Scientists have discovered a molecule that can save freshwater fish from a widespread deadly parasite.

Can developing countries leapfrog the West to a new food security reality?

Yes, but it will take a digital revolution.

We have bred "selfish" plants for thousands of years

Plant breeders should cultivate less selfish traits in crops to increase total yields, says scientist.

Downturn in crucial North Sea fish species

Herring, sandeels, sprat, and other forage fish are important for the North Sea ecosystem and fisheries. But populations are struggling, shows new study.

Giant skates almost extinct in Scandinavia

A new study shows that skates, sharks, and sturgeon are the most threatened fish in Europe.

Researchers don’t really know what prevents predator attacks

A review of a host of research papers has failed to find any scientific proof that electric fences are protecting sheep against large predators.

How much more environmentally friendly is it to eat insects?

Insect farms emit 75 per cent less carbon and use half as much water as poultry farms, shows new study.

Come aboard Denmark’s largest research vessel

ScienceNordic was invited aboard research vessel Dana to join its regular expedition in the Baltic Sea.

Ants developed agriculture 50 million years ago

We humans often see ourselves as the pioneers of farming but it is actually ants who led the way, millions of years ahead of us.

Why is China so quiet in negotiations about fisheries in the central Arctic Ocean?

OPINION: Non-Arctic states such as China must be involved in regulatory efforts to achieve sustainable management of fisheries in the Arctic Ocean.

Bio-refineries could reduce imports of environmentally harmful soy

Animal feed mixed with imported soy beans is a drain on the environment. A new report suggests that environment-friendly protein can be produced in bio-refineries.

Scientists are "teaching" plants to use insects as a natural defence

Rebreeding crops to attract and reward certain insects will boost their natural defences and cut the use of pesticides, suggest scientists.

Icelandic horses carry heavy burdens

Icelandic horses have high heart rates and lactic acid concentrations during competitions and tests, Swedish study shows. “This is an indication of insufficient basic exercising of the horses,”says a Norwegian expert.

Scientists want to make liquid manure smell a bit better

Ammonia causes the disgusting smell of urine in liquid manure from pigs and cattle. Scientists are not far from finding a way of stopping the formation of ammonia, although, this will not entirely remove the smell.

Danish biologist catches sea snakes with his bare hands

Thanks to a fearless Danish scientist we now know more about the many species of venomous sea snakes.

Human vaccines to aid farmed fish

Scientists will use compounds from human vaccines to improve vaccines for aquaculture fish stocks.

Catching Atlantic cod in green light

Using fish pots and green light, Swedish fishermen want to prevent seals from stealing their catch.

Map outlines global hotpots of bycatch intensity

Fishery bycatch poses a great threat to various endangered species, and to ecosystems in general. Scientists have now mapped out the problem.

3D-scans may help curb widespread fish disease

The bacterium that causes enteric redmouth disease can now be tracked with a special 3D scanner. “The scans exceed our wildest dreams,” say researchers.

Scientists: Use animal manure's stinking wealth of resources

New textbook shows farmers how they can get stinking rich while they are up to their knees in it.

Potato famine genome secrets unlocked

Using historical botanical collections, scientists have unlocked the genetic code of potato blight – the disease behind the great Irish Potato Famine. New study shows what made the potato famine so ruthlessly dangerous and why it’s still costing billions to fight it.

Denmark’s first farmers were immigrants

A new study of flint axes suggests that the first farmers in southern Scandinavia were not Scandinavian hunter-gatherers; they were central European immigrants.

Nitrous oxide is the new ozone enemy

Nitrous oxide affects both the ozone layer and global warming when it’s released into the atmosphere. Farmers and wastewater treatment plants are among those who send out gas, and now Danish scientists have set out to figure out how this works.

Fight fish disease with fish

Scientists are checking the possibility of limiting the spread of the dangerous fish disease FZT with the help of a very special fish.

Fungi and rust can stifle smell of slurry

New study shows how fungal spores and rust can help reduce the stench of slurry in biofilters, which help prevent harmful substances from being released into the atmosphere.

Singing bowhead whales give new insight into behaviour

Of the estimated 12 species of baleen whale, only the song of the humpback and bowhead whale covers both low and high frequency areas. A researcher has looked into this mystery.

Plant sap is twice as sweet as cola

A new study has looked at how sweet plant juice needs to be to give the plant the optimal energy yield. Ideally, it should be twice as sweet as cola.

Reindeer thrive on forest diversity

An arboreal mix of species and ages is vital to effective reindeer husbandry.

Cutting weeds in the fall is no help

Gardeners must attack in the summer to get rid of many perennial weeds.

DNA test rewrites history of Greenland cod

The fish in Greenland’s great cod boom in the 1960s did not come from Iceland, as previously thought. They were ‘made in Greenland’

Fish migrate to avoid predators

Tagged fish reveal that animals migrate to avoid being eaten by predators.

Sedatives turn fish into unsociable gluttons

Drug residues in the waterways can have unexpected consequences for our ecosystems, say Swedish researchers after exposing perch to anti-anxiety drugs.

New signs of pre-Viking life on the Faroe Islands

The earliest traces of human life on the Faroe Islands date back to the Viking era. But new pollen analyses suggest that people, and perhaps even agriculture, existed on the islands long before the Vikings arrived.

How the heavy plough changed the world

New technology ploughed its way to prosperity in medieval Northern Europe.

Cheese waste can replace antibiotics in pig feed

Farmers are feeding their pigs with so many antibiotics that we are becoming increasingly resistant to them. Now a Danish researcher has discovered that cheese waste with added bacteria can replace some of the antibiotics used by farmers.

Turning toxic vegetable refuse into nutritious animal feed

New research makes it possible to remove growth-inhibiting natural toxins from protein-rich waste products.

New invention helps reduce pesticide suicides

Pesticides are one of the world’s most common suicide methods. New container makes it difficult to gain access to these deadly substances.

Bad news for greedy fishermen

New research in fish genetics makes it possible to determine the exact origin of any particular fish. This could make life difficult for fishermen who cannot stay away from endangered species.

Climate change makes cod grow

North Sea cod are growing far more than expected. The explanation lies in global warming.

How agriculture came to Scandinavia

The great archaeological riddle of how agriculture spread to Northern Europe now seems to have been solved.

Halibut pierced by mysterious ’projectile parasite’

Researchers have discovered a previously unknown parasite that attacks the Greenland halibut by piercing the fillet. The fish almost looks as if it were shot with a rifle.

Less Salmonella in outdoor and organic herds

A study surprisingly reveals a lower incidence of Salmonella bacteria in outdoor and organic pig herds than in conventional herds.

Diverse herrings are super survivors

New research reveals how herring genes vary with the environment. The discovery could make it easier to protect the herring stock against future challenges such as climate change.

The future of farming: pig cities

Ambitious research project aims to bring pig production into urban areas.

Treadmill for fish is an export success

Danish marine biologist left the world of university bureaucracy and started a niche company developing fish respirometers. His past in the field of research has led the company to international success.

Dreaded fish disease stamped out in Denmark

Researchers have successfully stamped out the fish disease VHS in Denmark. Their methods will now be used in other countries.