POULTRY DISEASES AND THEIR TREATMENT 
ease of the kidneys. In addition, there are 
some disorders of the kidneys (e. g., en- 
largement). that may be noticed on post- 
mortem examination. Little is known about 
these diseases; there are no symptoms that 
can be recognized before death, and no 
treatment can be recommended. 
LEG WEAKNESS 
Constitutional weakness, to which the heavier breeds are 
more subject than are the lighter ones 
Symptoms. Fowls walk in an unsteady 
manner, without showing any specific cause 
for lameness. Young birds are more likely 
to be affected in this manner, particularly 
those of the heavier breeds. 
Cause. Too rapid growth, the bird out- 
growing the strength of its legs. 
Treatment. Reduce the quantity of fat- 
producing foods. Care in the selection of 
breeding stock is important. 
LICE 
Invariably present in small numbers, and likely to become a 
serious pest, if not persistently controlled 
Symptoms. Unthrifty look of fowl and 
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