منابع مشابه
Severe acute bovine viral diarrhea in Ontario, 1993-1995.
In 1993, noncytopathic bovine viral diarrhea virus (BVDV) strains with enhanced virulence caused unprecedented outbreaks of severe acute bovine viral diarrhea (BVD) in dairy, beef, and veal herds in Ontario (Canada). Fever, pneumonia, diarrhea, and sudden death occurred in all age groups of cattle. Abortions often occurred in pregnant animals. Gross lesions in the alimentary tract were similar ...
متن کاملBovine Viral Diarrhea (BVD)
Bovine viral diarrhea virus (BVDV) is an economically important pathogen of cattle and it occurs worldwide. The biology of this virus is complex because it is associated with many diverse clinical manifestations, ranging from mild acute infections to fatal mucosal disease. BVDV can infect cattle at all ages including the fetus (1-3). Serological evidence shows that BVDV is a common infectious a...
متن کاملPersistent bovine viral diarrhea virus (BVDV) infection in cattle herds
Bovine viral diarrhea virus (BVDV) is a significant pathogen associated with gastrointestinal, respiratory, and reproductive diseases of cattle worldwide. It causes continuous economic losses to the cattle industry primarily due to decreased reproductive performance. The ability of virus to cross the placenta during early pregnancy can result in the birth of persistently infected (PI) calves. P...
متن کاملViral Diarrhea Induces Ischemic Colitis
Ischemic colitis is a popular diagnosis suggesting sudden hypo-perfusion of the colon. Pathophysiology of this illness has not been resolved clearly. Most of ischemic colitis is a one time disease and do not need specific treatment and recover self-limitedly under only bowel rest. Ischemic colitis sometimes exist with viral infection, this therefore necessitated the need to analyze the relation...
متن کاملControl of Bovine Viral Diarrhea
Bovine viral diarrhea (BVD) is one of the most important infectious diseases of cattle with respect to animal health and economic impact. Its stealthy nature, prolonged transient infections, and the presence of persistently infected (PI) animals as efficient reservoirs were responsible for its ubiquitous presence in cattle populations worldwide. Whereas it was initially thought that the infecti...
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ژورنال
عنوان ژورنال: Jornal de Pediatria
سال: 1994
ISSN: 0021-7557
DOI: 10.2223/jped.710