106 BROODING 



lamp must be kept perfectly clean. The charred or burnt 

 part should be removed daily from the wick. In order 

 to regulate the heat and thoroughly dry out the inside 

 of the brooder, the lamp must be lighted a day in 

 advance of the coming of the chicks. 



The directions for operating brooders recommend tem- 

 peratures that range from 85 F. to 110 F. during the 

 first 2 wk. Although these records differ 25 F., the 

 temperature beneath the hover should be alike in all. 

 Brooders of different construction show different read- 

 ings of temperature, because the thermometer used 

 was placed near the heat supply or far from it, in 

 accordance with the different methods of heating. From 

 this it will be understood that each brooder must have 

 a thermometer suited to its heating equipment and that 

 no other kind will accurately register the degree of 

 heat that is required for the brooder in use. 



Not all brooder thermometers are alike nor are they 

 placed in the same positions in the brooder. If a 

 short thermometer should be used where a long one is 

 required, the temperature would be taken above the 

 proper line. Because of this fact an incorrect idea 

 would be obtained of the heat conditions within the 

 brooder, which would probably be kept too cold, thus 

 causing the chicks to crowd together to keep warm. 

 Long thermometers, as shown in Fig. 8 (a), are suited 

 to some brooders, and short thermometers as shown in 

 (6) are suited to others. If one thermometer is used 

 where the other should be used, the temperature 

 inside of the hover will not be correctly taken. Each 

 kind of a brooder must have a thermometer that takes 

 the temperature from a given line beneath the hover; 

 the position of this line is given in the manufacturer's 

 directions for operating the brooder. No rule other , 

 than the one given in those directions is safe to follow, 

 and the thermometer to be used must be adapted to the 

 brooder in which it is placed. 



The temperature within the hover is regulated by the 

 size of the flame of the lamp. The flame should be 



