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Secondary bloat or free gas bloat results from any condition that causes oesophageal obstruction or interferes with eructation. It usually affects a single animal in a group and generally has a more sporadic occurance.   

Secondary bloat or free gas bloat results from any condition that causes oesophageal obstruction or interferes with eructation. It usually affects a single animal in a group and generally has a more sporadic occurance.   

It may be '''acute''' in the case of sudden [[Oesophagus - Anatomy & Physiology|oesophageal]] obstruction, caused by a foreign body such as a potatoe or turnip, or '''chronic''' resulting from partial [[Oesophagus - Anatomy & Physiology|oesophageal]] obstruction/ compression, or from interference with the normal eructation mechanism.

It may be '''acute''' in the case of sudden oesophageal obstruction, caused by a foreign body such as a potatoe or turnip, or '''chronic''' resulting from partial oesophageal obstruction,  compression, or from interference with the normal eructation mechanism.

Causes of secondary bloat:

Causes of secondary bloat: