Pertaining to the esophagus and the stomach.
- e. ulcer — in pigs, manifest with hyperkeratinization and ulceration in the pars esophagea of the stomach. If an ulcer erodes to a blood vessel, the pig can become anemic or bleed to death. In affected herds, a significant proportion of pigs develop hyperkeratosis and ulceration but only a proportion show clinical disease. Risk factors include housing and stocking density, the use of pelleted feeds and low fiber and small particle size of feed.
