The Vet. Book 



bone is situate just above the coronet, and often 

 assumes the form of a ring, hence the name. It 

 may be situate on the front or hind face of the 

 bone, and the new bony deposit represents 

 Nature's method of strengthening the part, but in 

 ring-bone, lameness frequently exists during the 

 formative stage, and may persist after the acute 

 inflammatory signs have subsided. The pastern- 

 joint or fellock-joints are sometimes fused together, 

 through the inflammatory products. Both heavy 

 and light horses are liable to ring-bone, and the 

 lameness arising therefrom is generally incurable. 

 It constitutes unsoundness, and the commercial 

 value of the animal with such, is small. 



Roaring 



Roaring is a sound symptomatic of disease, 

 either of a temporary or permanent character, 

 usually the latter. The sound may be emitted 

 either during slight or severe exertion, depending 

 upon the degree of diseased activity. Many 

 believe that roaring is hereditary, but this is 

 open to doubt, there being much evidence both 

 pro and con. 



A horse may be passed as sound one hour, and 

 develop roaring the next, because its causes are 

 variable. It must be admitted that in fully 85 

 per cent of cases the roaring sound is due to 

 degenerative changes in certain muscles of the 



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