138 



PRACTICE OF POULTRY-HOUSE CONSTRUCTION 



frame which is hinged at the back and can be raised for cleaning. It 

 is desirable to raise the roosts so as to force lazy hens to the floor. 

 The floor is made of cement, and any tendency toward cold 

 i&jdiminated by thejiberal use of straw, which in addition compels 

 the hen to exercise in her searchTfor feed. Cement floors are cold 

 because of dampness. This may be prevented by the use of a layer 

 of tar paper in the construction, as already described. 



Frame in process of construction. 



Nearing completion. 



FIG. 916. Half-monitor type of laying house *: Under construction. 



For 



n 



ajl fixtures are portable, and all nests 



Vm.vp 



_ 



tnp gj thus eliminating; the accumulation" 

 This house is well adapted for 



oQilth on the iflf.prrm] 

 commercial use. 



A Half -monitor Laying House. This house has an entire glass 

 front in the peak (Figs. 91a and 916). The extension in front is 



* This house was constructed from plans and specifications prepared by 

 A. L. Clark of the New Jersey Experiment Station. 



