Japanese dairy product manufacturer Snow Brand Milk Products has reported its fourth straight year of losses as sales continued to feel the impact of a series of scandals. The company posted a group net loss of ¥27.09bn (US$231.9m) for the year to 31 March, compared to a loss of ¥71.74bn in the previous year, helped by a one-time gain of ¥30bn from a debt waiver.