Gastric dilatation and volvulus syndrome (GDV) in dogs is an abnormal accumulation of gastric gas (dilatation). which may be complicated by rotation of the stomach (volvulus) about its mesentric axis. A number of factors. both environmental and host have been implicated in GDV. https://www.diegojavierfares.com/amazing-offer-Meat-Tenderizer-INOX-V49-save-big/