VSR 421: Regional Veterinary Surgery (2+1)

ABOMASAL DISPLACEMENT IN BOVINES

• Due to its loose attachment with greater and lesser omentum abomasum tends to be a wandering organ. It is common in animals fed on concentrates more than roughages and in dairy cows in the age group of 3 to 7 years. It is very rare in buffaloes. Left side displacement (LDA)  is common in  antepartum and right side displacement (RDA) in postpartum.

Causes

• atony of the abomasum with accumulation of gas.
• high concentrate ration, Volatile fatty acids and gas
• effect of pressure  by the gravid uetrus on the rumen

Clinical signs

• Anorexia
• Decrease in milk production
• Ketosis
• Weight loss
• Shifting type of lameness
• Scanty faeces
• Dehydration

Auscultation

• LDA Ping sounds in 11th, 12th  , 13th  intercostal space.
• RDA Ping sound in the cranial part of para lumbar fossa.
• Liptak test-If  pH is 1-4, abomasal displacement  is suspected.