204 



Bulletin 246. 



15. Both top and bottom heat. 



Either top or bottom heat taken alone does not seem to furnish the 

 best conditions for successful artificial brooding. The system here de- 

 scribed furnishes heat mainly from above by radiation, slightly by air 

 warmed before entering the hover and in a small degree from the floor 

 by contact. The burner box under the hover keeps the floor sufficiently 



k3" J^rom floor. 



Fig. 77. 



warm to insure dryness. The chill has been taken off so that the little 

 chicks can lie down and stretch out comfortably, which is the natural 

 position of very young chickens while sleeping. 



16, Adaptability to various conditions. 



The chief field of usefulness of the Gasoline-Heated Colony Brooder- 

 House is the rearing of chickens in large numbers all the year round in 

 latitudes south of New York State and all the year, except during the 

 coldest winter months, in New York State and points farther north. 

 For the rearing of winter broilers some of the individually heated brood- 



