754 



Journal of Agriculture. 



[9 Dec. 1907. 



Ringbone. — Only nine draughts (2.34 per cent.) have been rejected 

 for ringbone as the sole cause, but six other animals rejected for other 

 unsoundness have also had ringbone (3.89 per cent, altogether). 



Noiinal Bouts of Pastern Fiif. i. — Commpncino' Staffe of Fii;'. 3 — Commencing Stage of 



and Foot. \ Lons pastern bone 

 (OxSuJfiaqinis) B Short pastern 

 hone (Os C(iiiiiui). C. Pedal 

 coffin bone (O.v Pnlix). 



Low Ring-bone, shoving bony 

 roughening- on short pastern 

 bone and coffin bone, which 

 may develoi) so as to ultimately 

 obliterate the coffin joint. 



High Rniubone, showing bony 

 roughening on shoit and long 

 pastein bones, which may de- 

 velop and ultiniateh obliterate 

 the pastein jnint 



Fig. 4.— Typical Ringbone (with- Fig. 5.— Typical Ringbone (with Fig. 6.— Typical Ringbone, showing 



out union of joint), showing union of joint), showing com- complete union of pastern and 



ring of diseased bone encircling plete stiffening of pastern coffin joints, with excessive bony 



pastern joint. and coffin joints. ou'growth. 



Other illustrations of ringbone anci illustrations of sidebone, bone spavin, bog 



spavin, thoroughpin and curb have been given throughout the series of articles on 



Lameness in Horses ptiblished in this Journal during the current year. 



Bog spavin has not been so prolific a cause of rejection as might 

 have been expected, but perhaps in connexion with this unsoundness a 

 greater severity in condemnation may be warranted in future years. 



Bone spavin is not a comm.on affection of draught horses, onlv three 

 cases having been encomitered. 



Draught horse breeding is at present in a flourishing condition and in 

 some districts the sires used are uniformly high in quality and calculated 



