410 



BOVINE PATHOLOGY. 



practice. The former lesion is seldom unaccompanied by 

 fracture of the acetabulum. 



Fig. 79. — Dislocation of the patella. (Armatage.) 



Dislocation of the Patella is the most frequent luxation 

 in cattle, and is almost always outwards, so that the bone 



Fig. 80.— Means for preventing recurrence of dislocation of the patella. 

 (Armatage.) 



may sometimes be distinguished as a hard tumour outside 

 of its normal position. The limb is drawn and maintained 

 forcibly backwards in a manner which cannot be mistaken. 

 Reduction must be attempted by drawing the limb for- 

 wards by a hobble round the fetlock, with a rope attached 



