GENERAL METHODS OF CONTROLLING DISEASE 
9. Visit the roosts at night to detect cases of wheezing due 
to colds, and to search for mites and other pests. 
to. Keep on hand disinfectants, lice powders and medicines 
likely to be required. 
4. Nursing Sick Birds 
The small margin of profit on a single 
fowl makes dosing with medicines and nurs- 
ing an unprofitable occupation, except in 
Fic. 2.-ISOLATION 
5 
