VSR 421: Regional Veterinary Surgery (2+1)

OMASAL IMPACTION

• Omasal impaction occurs secondary to rumen impaction and may be  a result of poor qualtity feed.
• The omasum gets distended with stagnation of ingesta and its engorgement due absorption of fluids. Such animals are anorectic, listless and show signs of dehydration.
• The auscultation at the level of right elbow at the 9^th intercostal space will show complete absence of omasal sounds. Using a stomach tube, few litres of water and 4-5L of liquid paraffin or mineral oil are administered to soften the contents.
• Two to three kg of sugar or jaggary is given along with about 50 tab of yeast and 2-3L of rumen liquor collected from a healthy animal, inorder to stimulate rumen flora. The rumen is then massaged with fist and knee.
• In case of failure of this treatment, rumentomy is performed and solutions are injected directly into the omasum using a tube inorder to dislodge the contents.
• Neglected cases may succumb with in few days due to the necrosis of omasal folds an account of pressure from its contents.