Viruses

A novel virus, which is associated with high mortality shortly after hatching, has been discovered in farmed juvenile ballan wrasse.

How genomic selection can rapidly increase the resistance of whiteleg shrimp to white spot syndrome virus (WSSV) – one of the most costly diseases in the global shrimp farming sector.

A new study has found that areas surrounding active salmon farms in the Broughton Archipelago and the Discovery Islands were 2.72 times more likely to contain DNA from disease-causing viruses and bacteria.

Shellfish genetics and breeding company Pacific Hybreed is taking part in a NOAA-funded project to develop genetic markers for resistance to the virus causing Pacific oyster mortality syndrome (POMS).

Norway Royal Salmon ASA has reported a potential outbreak of infectious salmon anaemia in its Dønnesfjord operating area.

The presence of decapod iridescent virus 1 (DIV1) has been confirmed in 10 shrimp and crayfish farms across Taiwan this week, leading to widespread culls of the crustaceans under the supervision of the Council of Agricul…

Some of the key means for fish farmers to tackle the threat posed by tilapia lake virus (TiLV) were outlined in a webinar on the disease given by Dr Ra’anan Ariav today.

Vietnam's agriculture ministry has urged authorities in the country’s provinces bordering China to take preventative measures against the spread of decapod iridescent virus 1, in order to protect the Vietnamese shrimp fa…

White spot disease has been discovered at two shrimp farms in Queensland, prompting fears for the state’s entire shrimp sector.

Certain tilapia families have been shown to be completely resistant to tilapia lake virus (TiLV), offering hope that breeding programmes can combat one of the worst diseases to hit the global fish farming industry in rec…

Infectious salmon anaemia (ISA) has been discovered at one of Cermaq’s salmon sites in the far south of Chile.

A new study outlines the seven viral infections (other than tilapia lake virus) that can affect tilapia farms and profiles the steps the industry can take to tackle viral outbreaks.

Three new viruses – including one type that has never previously infected fish – have been identified in populations of both wild and farmed salmon off the coast of British Columbia, Canada.

Texan shrimp producer NaturalShrimp has announced that its facility in La Coste is no longer under quarantine for infectious haematopoietic virus (IHHNV).

The first confirmed case of tilapia lake virus (TiLV) in the USA emphasises the need for producers to ensure biosecurity is a top priority, according to a leading US tilapia breeder.

Salmon farmers can hope to reduce the number of mortalities caused by cardiomyopathic syndrome (CMS), following the discovery of genetic markers that should allow the production of salmon strain that are more resistant t…

Mediterranean sea bass and sea bream farmers are being invited to join an online discussion focusing on viral encelophaty and retinopathy (VER), which causes viral nervous necrosis (VNN), on the MedAID Health Forum next …

A new project that aims to speed up the development of a strain of salmon with higher tolerance against the infectious salmon anaemia virus (ISAV) starts next month in Norway.

Early harvest of fish diagnosed with infectious salmon anaemia cost Norway Royal Salmon (NRS) in the region of NOK 55 million (£5 million) in the final quarter of 2017.

The conclusions of a recently published paper that links the transfer of the piscine orthoreovirus (PRv) from farm-raised salmon to wild salmon have been questioned by the BC Salmon Farmers Association (BCSFA).