Sea lice

Jim Treasurer, co-editor of a new comprehensive publication on sea lice, looks back on over three decades of working to combat aquaculture’s best known and most costly ectoparasites.

The environmental impacts of aquaculture are often in the spotlight. The need for sustainable practices is now firmly embedded in the minds of the public, governments and industry – but this sometimes presents trade-offs in fish welfare.

A new multi-cohort trial has demonstrated the efficacy of semi-closed containment systems (SCCS) for Atlantic salmon – with results showing lower lice counts, higher growth rates, higher final weights and higher survival rates for salmon in Preline’s SCCS comp…

A new analysis finds that the industry still needs to lay critical groundwork before offshore salmon aquaculture is seaworthy.

A new paper argues that there’s an urgent need to improve understanding of the genetic mechanisms involved in host resistance to whitespot syndrome virus (WSSV) and sea lice – two of the greatest health challenges facing shrimp and salmon farming respectively.…

Stephen Woods, who has been with Scottish Sea Farms for 27 years, and farm manager of Charlotte’s Bay near Oban for the past 12 of those, was named Finfish Farmer of the Year at the recent Aquaculture Awards in Aviemore. Here he describes his career journey.

Some salmon producers may keep their cages fully submerged to keep sea lice at bay, but results from a recent trial suggest that while this reduces lice infestations, it is detrimental to salmon welfare and production goals.