1072 



Veterinary Obstetrics 



rior limbs extended, it assumed the position shown in Fig. 153. 

 Of the six cases observed, four died in a few days after birth or 

 were destroyed as hopeless. Two recovered, and are still living 

 and performing satisfactory services, without extensor pedis 

 muscles. The animals extend their fore feet by the extensor 

 pedis accessoriusand the extensors of the metacarpus, producing 

 a peculiar gait. 



The cause of rupture of the exten.sor pedis tendons in the new- 

 born is unknown. In the region where we have ob.served these 

 cases, that group of bone disea.sesof which spavin, ring bone and 

 navicular disease are typical, is ver}' common, and it is possible 



Fig. 153. ExTREMK Luxation ok THJi Pathm.-K in a Nkw-hokn I-'oai.,. 



Accompanied by rupture of the two extensor pedis longus muscles of the 

 anterior limbs. From a photograph. a, Patella ; b, Femoro-tibial ar- 

 ticulation. 



