360 FHE FARM DOCTOR. 



raised and semi-flexed, and the detached portion may be felt in 

 front of the point of the hock, or a line of tenderness may b(j 

 detected across the middle of that bone, detachment and grat. 

 ing being obviated by the strong fibrous investment. 



Treatment. — If a portion has been detached from the summit, 

 place in slings, extend the joint and replace it, retaining it in 

 position by firm pads of tow placed in the hollow in front of 

 the bone and a strong starch or plaster bandage extending from 

 the hoof to beyond the hock. When there is no detachment, 

 soothe the parts till heat and tenderness subside and then 

 blister, allowing a long period of rest. 



FRACTURES OF THE OTHER HOCK BONES. 



If these implicate the upper or true hock joint, they are 

 usually beyond remedy, but if the lower flat bones only, they 

 present symptoms like those of bone spavin, and may recover 

 by union of the small bones. 



BONE SPAVIN. 



This consists in disease (inflammation, ulceration, bony de- 

 posit), of the small flat bones in the lower and inner part of the 





Fig. 70. — Bone Spavin affecting both inner and outer sides of the joint. 



hock joint, often implicating those of the outer side as well. 

 It may be manifested by local swelling, heat, and tenderness, 

 or these may be altogether absent, as in cases of ulceration in 

 the centre of the joint between the flat bones — {Occult Spavin). 

 The swelling, when it do^s exist, is on the antero-internal aspect 



