LOCATION OF THE HOUSES AND YARDS 153 



face drainage should, of course, be away from, rather than 

 towards, the buildings. The poultry house should be located 

 on a hill slope (Fig. 82). This makes it certain that there will 

 be no stagnant water at any season, for the filth or drop- 

 pings of the birds about the yards will be carried off to lower 

 points, and contamination of the runs prevented. Perfectly 

 level lands should be avoided, especially if the soil is heavy, for 

 they are often spongy and wet in the spring and early summer. 



Zoww&t swampy 

 la.ncL should ie a.voided_ 



Thehottom ofthevAlley where 

 there is & river. 

 Avoid such a plsce near the 

 river bank. 



Fig. 82. — The cross-section of a hill showing the proper location of the poultry 



house. 



A good circulation of air is likewise essential. Probably 

 few of us appreciate the fact that there are currents in the air, 

 the same as in water. Cool air flows down to a lower level, 

 and warm air ascends. Bearing this in mind, do not locate 

 the poultry house in a hollow or at the foot of a hill. Such 

 situations are cold, and apt to be damp and frosty in winter. 

 Part way up the slope the air will be clearer and drier. 



The exposure of the slope largely determines its desir- 



