Stolt Sea Farm Holdings plc (SSF), a wholly owned subsidiary of Stolt-Nielsen S.A. (Nasdaq: SNSA; Oslo Stock Exchange: SNI) yesterday announced it has purchased from the Aqualande Group the 50% of Ferme Marine de l'Adour which it does not already own. SSF is the world's leading producer of farmed turbot and is expected to produce some 2,500 metric tons in 2001, more than 5 times the production of its nearest competitor. The Ferme Marine de l'Adour operations, located in Anglet, close to Biarritz in southwestern France, currently produce about 200 metric tons and have capacity for a total of 300 metric tons.