Changes

==Aetiology==

==Aetiology==

Impaction of the stomach typically consists of excessive dry, fibrous ingesta, but may also be composed of ingested materials that form a mass, suchas persimmon seeds or mesquite beans.1-3 Other feeds that tend to swell after ingestion, including wheat, barley, and sugar beet pulp, may also cause impaction. Furthermore, dental disease may increase the likelihood of gastric impaction because of improper chewing of feed. (Bliks)

Impaction of the stomach typically consists of excessive dry, fibrous ingesta, but may also be composed of ingested materials that form a mass, suchas persimmon seeds or mesquite beans.1-3 Other feeds that tend to swell after ingestion, including wheat, barley, and sugar beet pulp, may also cause impaction. Furthermore, dental disease may increase the likelihood of gastric impaction because of improper chewing of feed. (Bliks)

Thecause of the impaction is often not known. However it may be the result of an

Thecause of the impaction is often not known. However it may be the result of an intrinsic disturbance ofstomach function such as atony or defective secretion(Edwards)