216 



POULTRY CULTURE 



If the dropping boards, roosts, and nests are removable, 

 take them from the building, clean and thoroughly disinfect 

 by saturating with a disinfectant, as a 5 per cent, solution of 

 carbolic acid or 1 per cent, kreso dip, or other equally good 

 disinfectant, and return them after they have been thoroughly 

 scrubbed with the solution. 



The roosts, dropping boards, and floor must be thoroughly 

 scraped and thoroughly swept, as well as the walls and ceiling. 



Fig. 95. — Three useful spray pumps: A, A small hand pump; B, a knap- 

 sack type; C, the best type force spray pump. With this pump the spray 

 can be driven into the cracks and crevices which is necessary in successful 

 disinfection. 



The interior should be thoroughly scrubbed with a strong 

 hot lye solution, then scrub with a 5 per cent, solution of kreso 

 dip or other equally good disinfectant. 



Gaseous disinfectants, as f ormaldehyd gas or sulphur fumes, 

 cannot be used unless the house can be tightly closed. If the 

 house be a modern open-front type or an old "shack" this pro- 

 cedure is impossible of any good results. In using a gas disin- 



