Fifty-six dogs from St. John's, Newfoundland, Canada, were evaluated for Angiostrongylus vasorum infection. Small numbers of nematodes were found within pulmonary arteries of 6 dogs. Larvae were identified in fecal samples in 2 of 6 dogs. All 6 dogs had multifocal granulomatous pneumonia and sometimes foci of chronic thrombosis, which varied from very mild to severe. One dog had extensive pulmo...

Eighty feral swine were trapped from a herd that had been documented to be seropositive for Brucella and which had been used for Brucella abortus RB51 vaccine trials on a 7,100-hectare tract of land in South Carolina. The animals were euthanized and complete necropsies were performed. Samples were taken for histopathology, Brucella culture, and Brucella serology. Brucella was cultured from 62 (...

To determine the density of mast cells (MCs) and the extent of substance P (SP) immunoreactivity during initiation and progression of pneumonic pasteurellosis (PP), 18 lambs were inoculated intrabronchially with Mannheimia (Pasteurella) haemolytica or saline, and lung tissue was collected at 1, 15 and 45 days post-inoculation (n=3, each group). Additionally, the left (non-inoculated) contralate...

Pulmonary botryomycosis is a rare chronic, pyogranulomatous infection affecting the lung parenchyma. We describe here the clinical and histopathological findings of pulmonary botryomycosis reported for the first time in a Down syndrome female who required prolonged intensive care. This case has other different unique aspects. It is the first case to present with empyema, the second case involvi...

Abstract Neisseria sp. is a Gram-negative diplococcus bacterium usually present on the mucosal surfaces of animals without causing an obvious pathology. The objective this study was to report isolation from severe cases pyogranulomatous pneumonia with formation Splendore-Hoeppli structure in two cats treated at veterinary hospital. This paper suggests that genus members may be involved lower re...

An outgrowth on the left anteriothoracic region behind the elbow joint was seen in a free living Zebra at the time of postmortem examination. The covering skin was ulcerated, nodular, hard with multiple fistula containing yellowish pus. A pure culture of coagulase positive Staphylococcus aureus was isolated from the deep tissue. Histopathology revealed pyogranulomatous dermatitis characterized ...