Essentials of a Good Brooder 203 



dampness are two great causes of failure with 

 the amateur poultry man, it is of the greatest 

 importance that poultry houses and brooders be 

 kept as clean as possible. 



(3) The air in a brooder will become foul if 

 not changed frequently. Usually, when suffi- 

 cient heat is supplied to give proper temperature, 

 ventilation is also secured; but occasionally the 

 source of heat is barely sufficient .to maintain the 

 required temperature with the least possible ven- 

 tilation. Then, in order to keep the chickens 

 warm, ventilation must be cut off. Pure air 

 should be supplied at all times. It should be 

 remembered that little chickens have a high tem- 



Fig. 68. An out-of-door brooder. 



perature, that they breathe rapidly, and that the 

 supply of pure air is of the greatest importance 

 to them. 



(4) It is important to have the brooder so 



