Air and Ventilation 47 



a stable should be from 45 to 50 degrees 

 Fahrenheit. 



How to give a Ball or Bolus. 



To give a horse a ball in a dexterous 

 manner requires some practice, but every 

 groom should be able to give medicine in 

 this manner, because veterinary surgeons 

 find this a convenient form in which to 

 administer certain drugs they wish to 

 prescribe. 



There is no need, as a rule, to use either 

 the ballino^ iron or o-un. 



Slacken the halter or head collar, so as 

 to allow the mouth to open as much as 

 possible, and then * back ' the horse into its 

 stall, or against a wall, withdrawing the 

 tongue with the ' left ' hand, standing at the 

 same side of the head. The ball is now 

 taken between the tips of the three first 

 fingers of the * right ' hand and placed as 



