View source for Bovine and Ovine Eosinophilic Myositis

*Unknown aetiology
*Major cell involved is eosinphil
*Usually noticed at slaughter - green muscle discoloration
*May be caused by degenteration of [[Sarcocystis|''Sarcocystis'' spp.]]
*Grossly:
**Green discolored areas, well demarcated
**Mostly in muscles of back and thighs
*Histologically:
**Massive eosinophil infiltration
**Muscle fibres may degenerate
**In old lesions - endimysial fibrosis, myofibre atrophy, some regeneration, lymphocytes, plasma cells, macrophages and few eosinophils
**Capsule may form

[[Category:Idiopathic Myositis]]