Experimental induction of left abomasal displacement: a new educational technique

Document Type : Short paper

Authors

1 Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

2 Resident of Veterinary Surgery, Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

Abstract

The purpose of this study was to induce abomasal displacement to the left, and to let the undergraduate and post graduate students get used to the ping sounds of abomasum and other clinical manifestations. The procedure was carried out on eight young bulls, they were sedated and a 2 m flexible tube was inserted through the nasal canal into the rumen. By laparo-rumenotomy, 20 cm of the tube was inserted into the abomasums through the omaso-abomasal groove. The rumen wall and abdominal wall were apposed
routinely. The animal was casted on its right side on the floor. The abomasum was inflated through the external end of the tube which was tied to bull’s horn base. Then the animal was allowed to stand on its feet. The gas filled abomasum was mobilized to the left flank between the body wall and the rumen. The left abomasal displacement was confirmed by ping and ultrasonography. Experimental induction of left abomasal displacement by inflating the abomasum using a nasal abomasal tube following rumenotomy
is a safe and suitable technique for educational and research purposes.

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