A Case of Contagious Ecthyma (Orf Virus) in a Nonmanipulated Laboratory Dorset Sheep (<i>Ovis aries</i>)

<table>Haired skin, lip commissure.  Epithelial hyperplasia, necrosis, and loss with overlying serocellular crust (<svg height="7.9250002" id="M3" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 7.9250002" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.863)"><path d="M471 153q-22 -15 -61 -13q-25 31 -45.5 49.5t-56.5 41.5q4 -71 28 -134q-17 -33 -42 -46q-24 12 -42 46q24 63 28 134q-36 -23 -56.5 -41.5t-45.5 -49.5q-36 -2 -61 13q0 28 19 59q65 10 130 43q-65 33 -130 43q-19 31 -19 59q22 15 61 13q25 -31 45.5 -49.5t56.5 -41.5
q-4 71 -28 134q17 33 42 46q24 -12 42 -46q-24 -63 -28 -134q36 23 56.5 41.5t45.5 49.5q36 2 61 -13q0 -28 -19 -59q-65 -10 -130 -43q65 -33 130 -43q19 -31 19 -59z" id="x2217"></path></g>
</svg>) composed of keratin, proteinaceous fluid, degenerate neutrophils, and numerous mixed bacteria.  Insets:  rarely keratinocytes demonstrate large clear cytoplasmic vacuoles (ballooning degeneration) (left) and contain one or more 2–10 µm round, brightly eosinophilic intracytoplasmic inclusion bodies (left and right, arrowheads). Hematoxylin and eosin stain, 20x objective.</table>

Case Reports in Veterinary Medicine

fig6

Figure 6

Figure 6: A Case of Contagious Ecthyma (Orf Virus) in a Nonmanipulated Laboratory Dorset Sheep (<i>Ovis aries</i>) 

Case Reports in Veterinary Medicine

A Case of Contagious Ecthyma (Orf Virus) in a Nonmanipulated Laboratory Dorset Sheep (Ovis aries)

Figure 6