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===Seconday bloat===
===Seconday bloat===
Secondary bloat or free gas bloat results from any condition that causes oesophageal obstruction or interferes with eructation.
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 solid 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.
****** partially obstructive foreign bodies
****** partially obstructive foreign bodies
****** actinobacillosis in the oesophagus or [[Oesophageal groove|oesophageal groove]]
****** actinobacillosis in the oesophagus or [[Oesophageal groove|oesophageal groove]]
***** Some passage of gas is possible, so gas build-up and distenesion is more prolonged.
***** Some passage of gas is possible, so gas build-up and distenesion is more prolonged.
***** Interference with cardiac and respiratory function is seldom life threatening.
***** Interference with cardiac and respiratory function is seldom life threatening.
==Signalment==
==Signalment==
==Diagnosis==
==Diagnosis==
*Kicking ventral abdomen and bellowing in pain
*Kicking ventral abdomen and bellowing in pain
*Sudden death
*Sudden death
===Pathology===
===Pathology===
*** Congested and haemorrhagic cranially, pale caudally.
*** Congested and haemorrhagic cranially, pale caudally.
==Treatment==
==Prognosis==
==References==
* Andrews, A.H, Blowey, R.W, Boyd, H and Eddy, R.G. (2004) '''Bovine Medicine''' (Second edition), ''Blackwell Publishing''
* Merck & Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''' ''Merial''
[[Category:Forestomach - Nutritional Pathology]][[Category:Cattle]]
[[Category:Forestomach - Nutritional Pathology]][[Category:Cattle]]
[[Category:To_Do_-_lizzyk]]
[[Category:To_Do_-_lizzyk]]