8 
North Carolina Experiment Station 
which reliable data could be secured. The distribution of the disease in the 
state is shown in Figure I, demonstrating that avian typhoid is prevalent 
from the mountains to the coast. 
In Wake County, in which the State College is located, and where it was 
possible to make intensive investigations, 35 outbreaks were studied, involv¬ 
ing 2,536 birds, and incurring the death of 545 members of the affected flocks. 
The monetary value of birds dying in these outbreaks would approximate $700 
and does not include the possible mortality had prophylactic vaccination not 
been resorted to. The distribution of the disease in the county in shown in 
Figure 2. 
The investigators have reason to believe that the incidence of avian typhoid 
in Wake County is typical of that throughout the state, and probably repre¬ 
sents that of the section. 
