An updated description of bacterial pneumonia in adult horses and factors associated with death

Background Available descriptive studies on equine pneumonia are outdated or focus on specific horse or bacterial populations. Objectives To describe the clinical presentation and bacterial isolates of adult horses with bacterial pneumonia and identify factors associated with death. Animals One hundred sixteen horses >2 years old with bacterial pneumonia. Methods Retrospective case series. Data regarding history, physical examination, clinicopathologic features, treatment, bacterial culture and sensitivity, and outcome were collected and analyzed retrospectively. Results Historical risk factors were present for 60% of cases, whereas abnormal vital signs on intake were present for