Case of peptic ulcer disease of bottlenose dolphin

Abstract

The unexpected death of the bottlenose Dolphin occurred in one of the dolphinariums. Before his death, the animal was kept in water with an increased amount of free chlorine, which was the cause of exacerbation of the present chronic form of peptic ulcer and led to death. On clinical examination the animal was observed a total inhibition, Dolphin refused to comply with commands of the trainer, swam to the opposite edge of the enclosure, he had decreased appetite, has twice observed vomiting foam. When examining the mucous membranes of the oral cavity and conjunctiva, their anemia was noted. Feces had a bright green color ("hungry feces"), was well soluble in water," cloud " fell to the bottom of the pool. The double Dolphin was spotted dark brown (almost black) stool. After the death of the animal at the opening of the abdominal cavity was found cloudy bloody liquid in an amount many times exceeding the normal limits. When examining the internal organs, a strong agonal inversion of the intestines, venous stagnation in the mesentery of the intestine, in the wall of the stomach and small intestine was found. On the large curvature of the first part of the stomach was well expressed venous pattern. When opening the gastrointestinal tract found numerous ulceration in the stomach (four ulcers) and duodenum (three ulcers). One of ulcers of the stomach was perforated. The serous membrane of the wall of the stomach and duodenum in the areas of ulcers was thickened. In addition, the wall of the stomach and small intestine was thickened. In the wall of the small intestine, multiple hemorrhages of a spilled nature were found. The ducts of the pancreas were filled with the contents of the intestine green. According to the clinical study, autopsy, laboratory results, it was found that the cause of death of the Dolphin was an ulcer disease, exacerbation of which contributed to non-compliance with the rules of water chlorination and stress experienced.