Veterinary notes for horse owners : a manual of horse medicine and surgery . t cause of brittle feet; owing tothe sympathy between the mucous membrane of the stomach andintestines, and the sensitive laminae, which secrete the horn of thefoot. When irritation and consequent inflammation exist in asecreting structure, its powers become impaired; hence the casesof weak and brittle horn secreted during attacks of indigestion,which should be specially treated. In cases of brittle feet which have become chipped away a gooddeal, we should apply to the exposed surfaces, from time to time,an antiseptic
Veterinary notes for horse owners : a manual of horse medicine and surgery . t cause of brittle feet; owing tothe sympathy between the mucous membrane of the stomach andintestines, and the sensitive laminae, which secrete the horn of thefoot. When irritation and consequent inflammation exist in asecreting structure, its powers become impaired; hence the casesof weak and brittle horn secreted during attacks of indigestion,which should be specially treated. In cases of brittle feet which have become chipped away a gooddeal, we should apply to the exposed surfaces, from time to time,an antiseptic, such as paraffin oil, with the view of destroying anyparasites which may be present, and which may, possibly, have in-duced the brittle condition of horn. INFLAMMATION OF THE CORONET. 205 Inflammation of the Coronet (Villitis). NATURE AND SYMPTOMS.—This disease, wliicli Frenchveterinary surgeons call mal ddne, is almost exclusively confinedto donkeys, even among which it is not very common. I have seenonly a few cases of it among horses. It appears to be, in the first. Fig. 66.—Inflammation of the perioplic ring. instance, a chronic inflammation of that portion of the coronet (theperioplic ring) which secretes the thin covering of horn (theperiople) that covers the upper part of the hoof. This inflam-mation of the perioplic ring may extend to the remainder of tliesecreting portion of the coronet, so that the wall, especially at tliefront, becomes dry and fissured to such an extent that in time itresembles the rough bark of a tree which has become more or lessdetached from the wood (Fig. 66). In aggravated cases, this 206 DISEASES OF THE FEET. altered wall breaks off at its lower part, and splits both horizontallyand vertically. The accompanying lameness, which always increases with work,is marked by a shuffling sty*le of progression, especially when bothfore feet are affected. The lameness may, after a rest, disappearfor the time being; but only to return on the resumptio
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