192 



FARM BUILDINGS IN SOUTH AFRICA 



Provision of Mosquito Netting. — It does not cost much to screen 

 ventilation openings, windows, and doors with mosquito gauze. 

 Screening is especially necessary in districts where horse sickness is 



Fig. 154. 



rife. Sick-boxes should be screened to exclude flies as well as 

 mosquitoes. 



In America it is common practice in summer to remove the upper 

 section of doors, and replace it with a mosquito netting screen hung on the 

 same hinge-hooks as those on which the door section was supported. 



