Megaesophagus

Megaesophagus is a condition in dogs where peristalsis fails to occur properly and the esophagus is enlarged. The food fails to enter the stomach, and is eventually regurgitated.

Breeds Affected

Shar Pei
German shepherd
Great Dane
greyhound
Irish Setter
miniature schnauzer
Wire-haired fox terrier

External link

http://www.upei.ca/~cidd/Diseases/GI%20disorders/megaesophagus.htm