168 



HOUSING 



should be of one pitch, with the highest part in front and 

 the lowest part at the back. A height of from five and 

 one-half to six feet must be maintained in that part of the 

 interior where the poultryman must move about to do the 

 work. If small and portable, the house should have a wooden 

 floor; if large and permanent, the floor must be concrete. 

 The house should be built so that at least two-thirds of the 

 front can be open, these openings to be covered with muslin 

 and glass, using twice as much muslin as glass. The roostiag 

 boards, dropping boards, and nests should be in the back part 

 of the house, away from the open front, and fixtures should 



/Poo/' so piiched a^ to 

 car re/ a// ^ t^e coafer^ 

 to the i>ac/r s^ 



Lotu ^ideto 

 the bac/r-^ 



ferctyes 



Dropping Board 



A'eV-5 



fronffacinff 

 to the south 



Fig. 92, — Cross-section showing an ideal arrangement in a poultry house. 



be elevated above the floor (Fig. 92). Features which have 

 been enumerated will be described more in detail in 

 succeeding chapters. 



LABORATORY EXERCISES 



Exercise No. 32. — The Effect of Dampness. — Secure 

 two tumblers. Place about one inch of dirt in the bottom 

 of each. Moisten the soil in one and leave the other dry. 

 Place in each a small piece of bread, about the size of a thimble. 

 Place an inverted butter plate, or piece of card-board, over 

 the moist tumbler and leave the other one open. Set the 

 tumblers away on a dark shelf. Look at them daily and ob- 



