This case report describes an episode of recurring severe necrotizing and haemorrhagic hepatitis and enteritis experienced in a flock of commercial layer pullets at 12 weeks of age and again at 18 weeks of age in Indiana. Pullets had been vaccinated at 10 weeks old using a trivalent Salmonella Enteritidis (SE)/Newcastle disease/infectious bronchitis oil-emulsion-inactivated vaccine. The pullets were found dead at 12 weeks with firm but friable, enlarged, haemorrhagic livers, enlarged spleens, and necrohaemorrhagic intestines.
View Article and Find Full Text PDFThis report describes an outbreak of type C botulism in two organic, free-range commercial layer farms in the Midwest. Hens affected were 64-wk-old Hy-Line brown hens and 34-wk-old Hy-Line brown hens owned by the same company, but housed on different premises, with approximately 20,000 birds per house. Mortality over the 2 wk of investigation was estimated to be up to 8% and 2.
View Article and Find Full Text PDFLittle published information is available to guide therapy for canine and feline patients with Coccidioides infections involving the central nervous system (CNS). The purpose of this cross-sectional retrospective study was to describe magnetic resonance imaging (MRI) features and outcome for a group of dogs and cats with solitary CNS Coccidiodes granulomas. Nine canine and two feline cases met inclusion criteria; four diagnosed and treated with surgery and fluconazole and seven diagnosed by serology or cytology and treated medically.
View Article and Find Full Text PDFThis study reports the gross and microscopic pathology of naturally occurring neoplasms in adult pigeons that were presented for necropsy at the Indiana Animal Disease Diagnostic Laboratory from 2001 to 2011. The study population consisted of white carneau and mixed-breed pigeons used in behavioral studies in the Department of Psychological Sciences at Purdue University. Twelve types of neoplasms or proliferative disorders were identified in 28 of 83 pigeons (33.
View Article and Find Full Text PDFAn 8-year-old castrated male hound mix was referred to the Purdue University Veterinary Teaching Hospital for severe lameness, pollakiuria, and dyschezia. On presentation, the dog was nonweight bearing on the right rear limb and the right carpus was diffusely swollen. Synovial fluid analysis from the right carpus revealed a population of epithelial cells displaying marked anisocytosis, anisokaryosis, multinucleation, and prominent, variably sized nucleoli.
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