title: Pathological findings of hemorrhagic bowel syndrome (HBS) in six dairy cattle cases.
abstract: Six adult dairy cows clinically diagnosed as hemorrhagic bowel syndrome (HBS) were the subjects of this study. The involved intestinal lesions were fixed in formalin and examined macroscopically and histopathologically. Pathological examinations revealed large intramural hematomas with necrotic foci, resulting in luminal obstruction. The mucosal layer in the lesions was detached from the intestinal wall, and there were no hemorrhagic changes in the lumen. The intramural hematomas were sometimes covered with histologically intact mucosal layer. These pathological findings were not consistent with those of "intraluminal blood clots" reported previously. Gram-positive and anti-Clostridium antibody-positive short bacilli were found in hemorrhagic necrotic areas. However, the exact relationship between Clostridium spp. observed in the lesions and HBS remains unclear, because this bacterium is a normal inhabitant in cattle.
authors: Okhotsk Agricultural Mutual Aid Association, 497-1 Misono, Kitami-city, Hokkaido 099-0879, Japan.
authors: Shigeo
authors: S
authors: Owaki
authors: Saiko
authors: S
authors: Kawabuchi
authors: Kosuke
authors: K
authors: Ikemitsu
authors: Haruhi
authors: H
authors: Shono
authors: Hidefumi
authors: H
authors: Furuoka
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000276:immunology; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D003013:Clostridium / Q000276:immunology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D007413:Intestinal Mucosa / Q000473:pathology; D007422:Intestines / Q000382:microbiology / Q000473:pathology; D013577:Syndrome
chemical_list: D000907:Antibodies, Bacterial