North America

A side-by-side comparison of conventional and insect-based aquafeed ingredients has found that insect meals and oils come with a larger carbon footprint and require more energy to produce than marine ingredients – but this discrepancy might be short-lived.

Though seaweed operations are diverse – specialising in various species and operating in different economic circumstances – today’s macroalgae practitioners need to stay grounded in science as they work towards their scale and sustainability goals for 2030.

According to Ohad Maiman, founder and CEO of The Kingfish Company, they can indeed – although he warned that sustainability is by no means “a free pass” to profitability.

Despite only representing about 1 percent of global seaweed cultivation volumes, green macroalgae (Chlorophyta) could play a decisive role in the commercial seaweed sector as it expands and diversifies.

Perhaps one of the least aquatic forms of aquaculture involves the farming of crocodiles, alligators and caimans. These animals are referred to as semi-aquatic, and their husbandry is in some ways more similar to livestock production than to fish or shellfish …

New analysis suggests that pond aquaculture could be the tilapia industry’s best way to profitably intensify production – and that, other than for a few notable exceptions, recirculating aquaculture systems (RAS) will remain relatively unprofitable in the near…