Changes

==Prevalence==

==Prevalence==

The prevalence of equine gastric ulceration has increased over the last century.<ref>Sandin, A, Skidell, J, Haggstrom, J, Nilsson, G (2000) ''Postmortem'' findings of gastric ulcers in Swedish horses older than age one year: a retrospective study of 3715 horses (1924–1996).  ''Equine Vet J'', 32(1):36-42.</ref> Lesions are most often found in the squamous mucosa along the margo plicatus, then the glandular body, proximal squamous mucosa and antrum (17 in Sanchez).  For the squamous region, reported prevalences are:

The prevalence of equine gastric ulceration has increased over the last century.<ref name="Sandin">Sandin, A, Skidell, J, Haggstrom, J, Nilsson, G (2000) ''Postmortem'' findings of gastric ulcers in Swedish horses older than age one year: a retrospective study of 3715 horses (1924–1996).  ''Equine Vet J'', 32(1):36-42.</ref> In a retrospective study of 3715 Swedish horses, ulcers were most often found in the squamous mucosa along the ''margo plicatus'', then the glandular body, proximal squamous mucosa and antrum.<ref name="Sandin">Sandin, A, Skidell, J, Haggstrom, J, Nilsson, G (2000) ''Postmortem'' findings of gastric ulcers in Swedish horses older than age one year: a retrospective study of 3715 horses (1924–1996). ''Equine Vet J'', 32(1):36-42.</ref> For the squamous region, reported prevalences are:

*Racehorses 70-100% (Hammond et al 1986, Vatistas et al 1994 and 1997, Murray et al 1996) (3-11 in Sanchez)

*Racehorses 70-100% (Hammond et al 1986, Vatistas et al 1994 and 1997, Murray et al 1996) (3-11 in Sanchez)