Changes

*Inadequate water consumption.<ref name="Sanchez">Sanchez, L.C (2010) 'Diseases Of The Stomach' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref>

*Inadequate water consumption.<ref name="Sanchez">Sanchez, L.C (2010) 'Diseases Of The Stomach' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref>

*Secondary gastric impaction has been related to ragwort poisoning(Milne)

*Secondary gastric impaction has been related to ragwort poisoning<ref>Milne, E.M, Pogson, D.M, Doxey, D.L (1990) Secondary gastric impaction associated with ragowort poisoning in three ponies.  ''Vet Rec'', 126(20):502-4.</ref>

==Clinical signs==

==Clinical signs==