POULTRY DISEASES AND THEIR TREATMENT 
evidence for determining the cause of death, 
a post-mortem examination should be made 
(see page 98). 
The poultryman must know above all 
whether he is dealing with an infectious dis- 
ease or not. The discovery that a sudden 
death among his fowls is due to apoplexy 
will set his mind at ease. On the other hand, 
if a case of cholera occurs, the body of the 
dead fowl should be burnt, and a vigorous 
campaign started to prevent the spread of 
the disease; birds showing mopishness and 
other suspicious symptoms should be 
isolated; the houses, the feed troughs, the 
water vessels, and the yard to which the dead 
fowl has had access, should all be thor- 
oughly disinfected. 
2. Dangers of Introducing Disease 
Perhaps more loss has been caused by in- 
troducing birds with disease into a healthy 
flock than by any other means. Readers 
will, doubtless, be able to recall occasions 
on which their own, or their neighbors’, 
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