One trial reported sludge accumulation of only 5 cm compared with an expected 70 cm under conventional conditions.
This is the first case since 2004
Around 80 million seabream and seabass juveniles will be released this season, up from 50 million in 2025.
MacDonald brings extensive experience across aquaculture, food production and supply chain management.
The vaccine is administered in three initial doses at day 0, day 30, and day 180, protecting for up to 1 year, with booster doses required thereafter.
The upgrade will enable the site to shift from lower-protein sunflower meal to high- and super-high-protein variants, strengthening the regional supply of plant-based protein for feed manufacturers.
The Irish-funded research will examine how such additives perform across different production stages, providing long-term data on effectiveness and potential scalability.
For poultry producers, gut health is closely linked to feed conversion, growth rates and disease resistance.
The State Department is leading the Blue Economy and Fisheries process as part of broader efforts to modernise oversight of the fast-growing sector.
The launch is supported by 9 peer-reviewed publications, 12 mode-of-action studies and 5 years of field data, reflecting a broader industry shift toward scientifically validated feed additives.