136 



PRACTICE OF POULTRY-HOUSE CONSTRUCTION 



doors. This utilizes all the space and compels the attendant to 

 mingle with the birds where he is able to study their needs and 

 conditions much more thoroughly (Figs. 89 and 90). 



FIG. 89. Laying house with two-thirds span roof. A neat house, 

 and the front lower than with the shed roof. 



The cost is greater 



In the centre of the south side is a glass door made by hinging 

 two 9-light 9 x 12 inch glass windows. This affords fifteen square 



FIG. 90. Interior view of house, Fig. 89, showing arrangement of nests and perches. 

 (Photo from Michigan Agricultural College.) 



feet of glass to 324 square feet of floor space. The door can be 

 opened for cleaning purposes. 



The open-front method of muslin ventilation is used in this 



