Farne Salmon and Trout opens new £1.2m plant at Duns 7 August 2013 Last updated at 10:04 At total of 32 jobs have been created at a new food production facility at Duns in the Borders. Farne Salmon and Trout has invested £1.2m at the site, where it will produce a range of specially-developed fish meals for the company's largest customer, supermarket Tesco. The Duns plant is one of the largest salmon smoking facilities in Europe. The company employs more than 600 people and is the largest private sector employer in the Borders.