HOUSING AND HYGIENE 



273 



disinfectant used in spraying will penetrate the cracks much 

 better and render it an easier matter to get rid of mites 

 should they gam access to the house. 



Fig. 146 



9 



Cr-oji ^ccf-jo/j o^ fe.<:':r Ho 



Details in Cornell laying house. (Courtesy of Cornell Counlryma,,,) 

 18 *' 



