Dutch dairy cooperative Campina has finally revealed why it has been gradually building up its stake in the shares of compatriot food group Wessanen. Yesterday (14 September), chairman Tiny Sanders said that the company was hoping to complete a friendly buyout of the profitable Leerdammer cheese unit, which brings Wessanen annual sales of US$280m.Campina has purchased more than 10% of the listed food group, and a company spokesman said the co-op was also interested in Wessanen's US dairy division. For the meantime, however, Wessanen has announced that it has no plans to sell or swap any of its units.