^()0 



J)JSEA8ES AND THBIE TEEATMENT. 



ures produced. Figs. 048, 649 were copied from two interesting 

 specimens loane<,l the writer by Froi. Cressy, of Hartford, Ct. 



The causes of spavin 

 are numerous — altered 

 iDcaring, predisposition 

 from conformation or 

 mal-conformatiou of 

 the hmb, but proceed- 

 ing mainly fiom hard 

 work, sprains, or any 

 cause which excites in- 

 fl am m a t i o n of this 

 part. But the most 

 common cause lies in 

 the breeding of horses, 

 as very often a colt is 

 bred from a spavined 

 sire or dam, or both, 

 when the colt is sure to 

 inherit the same defect. 



Fig. 648. — L'uion of all 

 the bones of the hock 

 without enlargement. 



Fifi. 049.— The same, 

 with excessive bony 

 enlargement. 



Symptoriis. — The fi i- s t 

 symptom usually shown in 

 spavin is a stiff moving on 

 the toe, which causes a pe- 

 culiar quick catching up of 

 the leg, especially in trot- 

 ting. This varies according 

 to the amount of inflamma- 

 tion and its location, from 

 being scarcely noticeable at 

 first, and passing off entii'ely 

 after going a little ways, to 

 severe lameness or stiffness 

 of the hock, which greatly 

 improves or disappears when 

 waimed up during a sharp 



Fig. 650. Fig. 651. 



Showing a bad condition of spavin. 



