Ridley Corporation Limited announced that Tassal Group Limited to conduct two salmon trials as part of Tassal's research and development program. Each trial will utilise Tassal's freshwater nursery facilities, seawater growout infrastructure and husbandry management systems. All feed required for the trials will be purchased from Ridley at market rates, commencing with an appropriate range of hatchery diets and then moving through the seawater transfer diets to the 4mm ­ 9mm pellet size salmon growout feed. The expected aggregate aquafeed volume for the trials is circa 3,300 tonnes in total commencing in 2018 and concluding in December 2020. Tassal is responsible for managing the trial in a professional and scientific manner consistent with its normal operating practices.