HOUSING AND HYGIENE 



287 



as shown in Fig. 158, is convenient. It should be placed high 

 enough so that the hens will not be tempted to lay under 

 it and it will not be an obstruction in cleaning out the litter. 

 It is well to place it near the door for the convenience of the 

 caretaker and toward the front of the house. Hens are likely 

 to face the light as they scratch and the litter flies toward 

 the back of the house more often than anv other direction. 



Fig. 158 



Interior of poultry-house, showing feeding shelf, dry mash hopper, pro- 

 tected watering device, broody coop, perches, and dropping board. (Courtesy 

 of Purdue Experiment Station.) 



Types of Houses. — Houses are usually classified according 

 to the number of rooms or pens they contain, their porta- 

 bility or permanence, or their style of roof. 



The term "continuous house" implies that several pens 

 have been incorporated in one building and several separate 

 groups of birds may be housed under one roof (Fig. 148). 



The term "colony house" usually indicates that only one 

 group is housed under one roof and usually at a considerable 

 distance from other groups. Portable colony houses are 

 comparatively small, so that a team can haul them from one 

 part of the farm to another. Permanent colony houses of 



