Rupture of the Tendons of the New Horn Foal 



82s 



chief extensor of the foot. The carpus is bent forward, as 

 shown in Fig. 236. If the foal is helped to its feet and pres- 

 sure applied against the anterior face of the carpus, it 

 stands steadily and the carpus is straight, but removal of 

 the pressure permits the carpus to bend forward and may 

 cause the foal to fall. As the disease progresses the foal 

 shows decreasing control over the anterior feet, and in the 



Fig. 236— Rupture of Extensor Tendons at Carpus, and 



Floating- Dislocation of Patella. 



a, Patella; b, femoro-tibial articulation. 



most severe cases becomes unable to rise and even unable to 

 stand when helped up. When the decubitis becomes con- 

 stant, the foal generally perishes within a few days. 



Apparently an integral part of the malady, but infre- 

 quently seen, is the distension of the femoro-tibio-patellar 



