CHAPTER VI. 
PRINCIPLES OF POULTRY-HOUSE CONSTRUCTION. 
SuppPLyINne poultry with suitable environment is one of the 
most essential features of poultry management. A suitable en- 
vironment means the right kind of house properly located. 
Many types of poultry houses are in use throughout the country, 
representing a great variety of ideas and theories. This diversity 
is largely due to the fact that amateurs start out in business with 
Fic. 64.—Antiquated type of poultry house, with no muslin in windows. Glass prevents 
ventilation and holds the moisture. 
ideas of their own, and incorporate these in their houses, whether 
they have been tested and found desirable or not. There are a 
few simple rules or principles which should be followed in the 
construction of the house, and there are a number of different 
types which furnish these requirements. There is no one best 
type, suitable under all conditions and forall sections of the country. 
Recent Changes.—There have been marked changes and rapid 
developments in the perfection of poultry houses. It was formerly 
considered necessary to have a perfectly tight house, double 
boarded, with single or double glass sash in the front (Fig. 64). 
This type of house served as a shelter for the birds, and theoreti- 
cally would keep them warm; yet in practice it has been found 
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