258 ILLINOIS STATE DAIRYMEN'S ASSOCIATION 



slightly. This can be done by a tank heater, by live steam, or by 

 hot water from a boiler. If a boiler is used for running a sepa- 

 rator or for heating water to wash and steriHze utensils, steam 

 from it can readily and cheaply be used to warm the water. 



Salt. 



Salt is required by all animals. The dairy cow requires an 

 ounce or more a day, and while she should be given all she needs 

 she should not be forced to take more than she wants. It is best, 

 therefore, to give only a small quantity on the feed, and to place 

 rock salt in boxes in the yard where she can lick it at will. 



