HOW TO KEEP BEES FOR PROFIT 



When the flow comes on, and the colony 

 is strong, lift off the lid of the colony's hive 

 and place on top of the hive a queen-excluding 

 board, so that the queen cannot have access 

 to the extracting supers, for if she is allowed 

 to enter, the presence of her eggs and brood 



Zino honey-board. 



will seriously interfere with extracting, more 

 or less of the brood being thrown out. 



For many years these excluders were noth- 

 ing more or less than sheets of zinc to fit over 

 the brood body, and were perforated with 

 oblong holes just large enough for the workers 

 to get through, but small enough to keep the 

 queen below. 



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