DISEASES AND PESTS OF FOWLS 
feather. If the maggots are deep-seated, 
stuff the wound with a cotton wad saturated 
with strong creolin or 10% carbolic acid. 
Examine next day and remove dead mag- 
gots. Treat again in a similar manner if 
the maggots are not all killed. Fish oil, or 
iodoform made into a paste with vase- 
line, will prevent the flies depositing 
their eggs, if smeared on the surface of 
the wound. 
MITES (AIR-SAC) 
Not a common parasite 
Symptoms. There are no definite ex- 
ternal symptoms. If the bird is very badly 
‘affected, there may be evidences of suffoca- 
tion. This may end fatally. A post-mor- 
tem examination will show the mites in the 
air passages and bronchi as small yellowish 
and whitish particles, which on careful ob- 
servation may be seen to move. 
Cause. A small mite (Sarcoptes levis) 
which infests the air sacs and bronchi. 
These mites, when present in large numbers, 
73 
