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Mud fever, also known as scratches or pastern dermatitis, is a group of diseases of horses causing irritation and dermatitis in the lower limbs of horses. Often caused by a mixture of bacteria, typically Dermatophilus congolensis and Staphylococcus spp., mud fever can also be caused by fungal organisms ( dermatophytes ).
CPL is a progressive disease, which begins below the fetlock and gradually moves up the leg. [5] All legs are affected, the hindlimbs usually more seriously so. [6] Initial signs include thickening, crusting and folding of the skin. [7] These early signs may be hidden by the long hair on the horse's lower legs. [6]
Pages in category "Horse diseases" The following 107 pages are in this category, out of 107 total. This list may not reflect recent changes. 0–9.
Rain scald (also known as dermatophilosis, tufailosis, rain rot or streptothricosis [1]) is a dermatological disease affecting cattle and horses. Once in the skin, the bacterium Dermatophilus congolensis causes inflammation of the skin as well as the appearance of scabs and lesions.
The horse may or may not be pyrexic (fevered). The limb may occasionally ooze serum. In ulcerative lumphangitis, "cording" of the lymphatics and the formation of hard nodules and abscesses may also occur; occasionally, a greenish, malodorous discharge is present. In the US in particular, the disease may be characterised by multiple small, open ...
Horses cannot pass the disease among themselves; that is, one horse cannot contract the disease from another infected horse. The horse is a dead-end, or aberrant, host of the parasite. Although all horses are believed to be susceptible to EPM the disease is usually found in younger horses typically around three to six years of age. [2]
The skin is loose, and hyper-elastic in affected horses. This collagen based abnormality affects their heart valves too and their mechanical properties are found to be inferior to native horses. [2] Symptoms typically don’t appear until the horse is subjected to pressure or injury on their back, neck or hips, usually around two years of age.
The most current theory is a result of a recent study that suggests it is caused by a pegivirus, referred to as Theiler's disease-associated virus (TDAV). [2] Eight horses that had received prophylactic botulinum antitoxin and developed subsequent signs of Theiler's disease were subjected to a test for a viral infection based on RNA sequencing techniques.