Escherichia fergusonii Associated with Pneumonia in a Beef Cow

Figure 2

Outermost section of a necrotic area, densely packed neutrophils, and numerous oat cells. Hematoxylin and eosin, 40x, bar = 20 μm. Insert (upper left) displays intralesional, bacterial colonies, Gram-negative coccobacilli. Hucker-Conn Gram stain 100x, bar = 10 μm.