ANATOMICAL CHANGES 
Gross Anatomy 
In acute cases, body emaciation is not apparent. A cyanotic condition of 
the face, comb and wattles is apparent. In some instances there is a darken¬ 
ing of the breast muscles. The coronary band of the heart is studded with 
petechial hemorrhages. The organ is slightly enlarged. The liver is usually 
spotted with areas of parenchymatous degeneration, and is slightly enlarged. 
The lungs are in a serofibrinous condition, sometimes approaching the pneu¬ 
monic stage. The spleen may or may not be enlarged. The kidneys are 
slightly swollen. The intestines show an acute hemorrhagic inflammation, 
and the intestinal contents are intermingled with a bloody mucous material. 
Microscopic Anatomy 
Heart. Theie is slight congestion, with a tendency for the muscle 
fibers to loose their cross-striation. 
Liver.— The liver shows both active and passive congestion. 
FIG. 33.—A COMPOSITE GRAPH OF BLOOD IN FOWL TYPHOID AND 
FOWL CHOLERA 
