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Lice get big billing on the Beeb

Lice get big billing on the Beeb

Lice problems in the Scottish salmon industry were the subject of an extensive report published on BBC Scotland's website today.

Details of algal mortalities released

Details of algal mortalities released

Toxic microalgae have killed 149,000 salmon belonging to the Chilean producer Nova Austral in two separate incidents – losses with a net value of $250 million pesos (US $390,000).

Fresh algal alert

Fresh algal alert

Hundreds of thousands of salmon aboard wellboats traveling through the Gulf of Penas have been killed by blooms of Karenia mikimotoi microalgae.

An appetite for antibiotics

An appetite for antibiotics

A clear increase in the amount of antibiotics used in cleanerfish production has been reported in Norway, although levels used in salmon themselves remain very low.

Resistance rises despite reduced drug use

Resistance rises despite reduced drug use

Despite a dramatic reduction in the use of delousing drugs last year, the parasites are still developing greater resistance to a number of treatments, according to Kari Olli Helgesen from Norway’s National Veterinary Institute (NVI).

Mechanical treatments blamed for raft of health issues

Mechanical treatments blamed for raft of health issues

The health status of fish in northern Norway has been noted to be poorer than normal recently – a pattern that has been linked with the increase in mechanical delousing.

Vaccine sales dip

Vaccine sales dip

Vaccine sales to salmon in Norway declined by just under 2% in 2016, falling to 328.1 million doses, down from 332.6 million the year before, according to the latest figures released by Pharmaq.

ISA fear forces early harvest

ISA fear forces early harvest

Bakkafrost has decided to harvest 190,000 salmon prematurely, due to fears over ISA at one of their sites.

Lice, damn lies and statistics

Lice, damn lies and statistics

The way that sea lice treatment levels are presented is fundamentally flawed, and an analysis of the types of anti-sea lice treatments used by the Scottish industry reveals that the volume of active ingredients in anti-louse treatments used per kilo of fish produced in fact only increased by 1.4 times over the last decade, nowhere near the ten times that dominated recent headlines.

Treatment trend set to be reversed

Treatment trend set to be reversed

The increase in the use of medicinal sea lice treatments should be reversed in coming years, according to one of Scotland’s most experienced salmon producers.

ISA outbreak confirmed

ISA outbreak confirmed

An outbreak of Infectious Salmon Anaemia (ISA) has been confirmed at Grieg Seafood's Kleppenes site, in Hammerfest.

Authorities calm despite ISA outbreak

Authorities calm despite ISA outbreak

Chile’s National Fisheries and Aquaculture Service (Sernapesca) believes there’s no need for the industry to panic, despite the discovery of an outbreak of the ISA variant HPR 7B in a pen at a Cermaq site in Aysén this week.

Genomic solution to RTFS

Genomic solution to RTFS

Eggs producing rainbow trout that are more resistant to flavobacteriosis will be available to farmers in the UK, Norway and Chile from early 2017.

Double vaccine breakthrough

Double vaccine breakthrough

Vietnamese pangasius will be offered protection against its two main disease threats early next year, following approval of a new Pharmaq vaccine by the country’s Department of Animal Health.

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