1 88 



Bulletin 246. 



should. A chicken's body temperature is normally about 105 to 106. 

 Therefore, a cold chicken can not be blamed for rubbing up against an- 

 other chicken 105 degrees warm instead of standing alone in a tempera- 

 ture of 80 to 85 degrees. The more the chickens crowd the hotter the 

 pile becomes and, therefore, the more attractive is the source of heat to 

 the chickens on the outside. If a temperature of 100 degrees is main- 



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Fig. 66. — One of the latest types. Note the cloth window in the upper part of door; 

 also the chick exit, which is provided by opening the side windoiv. 



tained, the chickens will spread out of their own accord. They can be 

 trusted to remain in the temperature which is most comfortable to them, 

 which also will be the temperature best suited to their needs. The first 

 sense to be developed in a young chick, seems to be the sense of touch, 

 as manifested by the sensation of warmth, which to the chick means 

 comfort and comfort to the chick means home. The first instinct, there- 

 fore, to be awakened in the chick appears to be that of location. When 



