SPEED 



Spavin. 



Spavin shown from outside. 



Speed. — The ability of a horse to move fast is, of course, 

 mainly dependent upon his formation, though naturally his 

 condition will have something to do with the matter. In 

 all cases the internal organs must not merely be sound, 

 but be provided with opportunities for discharging their 

 duties properly. Hence, room must be supplied for the 

 heart and lungs to work in, and therefore the chest should 

 at all events be deep, but if too wide the speed will be 

 diminished. A short neck is not conducive to speed ; nor 

 are short or heavy shoulders, though the chest of a cart 

 horse is broad, and his shoulders loaded with muscle, but 

 then he is not required to move fast. The back legs and 

 loins have a great deal to do with the speed of a horse, for 

 they supply the propelling power, and hence importance 

 must be attached to the formation of the joints, and the 



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