DISEASES 147 
form. In every flock there are occasional 
individuals which cannot stand up under this 
system of feeding, and constipation fre- 
quently follows. 
This fact should cause the poultryman no 
alarm unless the condition spreads through 
the flock. If there is a general difficulty it 
will be observed that the droppings become 
hard and dry, the birds are getting out of 
condition, and usually a change in color of 
the comb and face will be noted. Just as 
soon as a poultryman observes this set of 
conditions he should give a dose of salts and, 
if possible, give some green feed. If he is 
already using green feed the thing to do is to 
change to some other green feed. In a word, 
the plan to follow is to change the feed 
somewhat and do everything possible to 
loosen the bowels. If the poultryman is not 
using a mash made according to an approved 
formula, it will be well for him to change to 
a formula which is approved. 
Liver Diseases. There are several differ- 
ent liver diseases to which hens are subject, 
but as far as the practical poultryman is 
concerned they may all be classed under one 
