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Small mammal

Gastrointestinal tract examination

The endoscope can be passed over the glottis and down the esophagus. Air insufflation is often required to visualize the esophagus for gross lesions and foreign bodies, but water irrigation provides much better mucosal detail. Entry into the stomach is not usually possible with the rigid scope but a fiberscope can be used to enter the stomach. Even following 24 hours of fasting the rabbit stomach will still contain ingesta and therefore the value of gastroscopy in the rabbit remains questionable.

Following an enema, the scope can be used to examine the rectum and colon. On one occasion the author identified a colonic intussusception in a dwarf rabbit that was then corrected at laparotomy.

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