Mollusk farms must prepare for more disease under climate change

Warmer seawater is creating perfect conditions for many mollusk pathogens to thrive, scientists have warned.

Two Australian farmed Tiger abalone being gently handled

Mollusk farms must prepare for more disease under climate change

News & Trends

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Non-medicinal delousing approaches cause damage to salmon gill tissue

New research shows that thermal and mechanical delousing techniques used in Atlantic salmon aquaculture can cause damage to gill tissue, though the health impacts of this on farmed fish remain unknown.

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Levels of antimicrobial resistance in Asian aquaculture ‘concerning,’ say scientists

Twenty years’ worth of data “raise urgent concerns” about antimicrobial resistance in Asian aquaculture, say the authors of a new review.

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Advanced diagnostic approaches for fish disease are welcome, but sometimes simpler is better

With technologies for molecular diagnosis of fish disease increasingly available, sometimes simpler approaches that have great diagnostic power are being ignored.

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New research on deltamethrin resistance could pave way for optimized sea lice treatment

New research on deltamethrin resistance in sea lice could help improve the effectiveness and reduce the costs of treating the global salmon industry’s “billion-dollar problem.”

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Prioritizing biosecurity can help tame tilapia lake virus

Tilapia lake virus (TiLV) is an emerging threat to tilapia aquaculture, with mortalities in some cases up to 90%. But with a focus on biosecurity, the impact can be considerably lessened.

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Genetic technologies helping breed disease-resistance traits in tilapia

Tilapia farming is catching up to the salmon industry in its application of selective breeding to improve resistance against key pathogens, according to a leading geneticist.

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Why common bacterium from freshwater fish poses a health threat — and what can be done

Some subtypes of the bacterium Streptococcus agalacitiae, which is commonly found in fish and humans but can turn virulent, are proving a bigger threat to health than others.

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Optimizing recirculating aquaculture systems: Fish farming’s hot topic

It’s a boom time for recirculating aquaculture systems (RAS) — but unanswered questions remain in ensuring this ever-more-prevalent approach to large-scale fish production reaches its considerable potential.