Aquaculture health and genetics group Benchmark Holdings continued to face "challenging conditions" in shrimp, seabass and seabream markets in the third quarter of the year, the company said in a quarterly trade update.

Alongside a decrease in sales, the contribution from trials of particular products also decreased.

Due to these changes, the company's expectations for revenue and profit for the full year have also changed.

Benchmark reports that it is "actively progressing its operational and structural efficiencies," which could offset the loss garnered from reduced sales.