The consumption of red wine is declining compared to white and rosé varieties, according to Atanas Vassilev, chairman of the National Association of Bulgarian Vintners (NABV). Vassilev noted that red varieties are primarily being used to produce rosé, which has led to difficulties in selling red wine. He explained that from 100 kg of red grapes, producers typically end up with 40 liters of rosé and only about 20 liters of red wine....