ENEMIES AND DISEASES OF POULTRY 173 



INSTRUMENTS FOR APPLYING INSECTICIDES 

 Powder Guns. Insect powders can be applied by hand, 



but they are more effectively applied by the use of 



powder guns. A small pow- 

 der gun is shown in Fig. 1. 



This will answer when only 



a few fowls are to be 



dusted, but where there are 



a large number of fowls to 



dust, a larger powder gun 



will be required. A bellows 



powder gun is shown in Fig. 2. 



FIG. 1 

 With this it will be 



FIG. 2 



possible to dust a large number of fowls in a short 

 time. This can be used at night by going about amorig the 

 fowls and quietly inserting the point of the gun among 

 the feathers of the fowls while on the roost, and in this 

 way dust them thoroughly. 



Sprayers. Liquid insecticides can be most effectively 

 and economically applied in spray form. Where there 

 is only a small surface to go over, a small hand-spraying 

 outfit similar to that shown in Fig. 3 will answer. 



Where a large amount 

 of surface has to be 

 covered, a spraying 

 outfit like that shown 

 in Fig. 4 will be 

 found more conve- 



p IG 3 nient. There are many 



makes of these com- 

 pressed-air sprayers on the market. Those with gal- 

 vanized-iron receptacles for the liquid will answer for 



