besnoitiosis

besnoitiosis

is endemic in tropical and sub-tropical regions with high infection rate but low mortality; rare elsewhere. The cutaneous form of besnoitiosis in horses and burros, caused by Besnoitia bennetti; characterized by a widespread, serious dermatitis. The disease in cattle, caused by B. besnoiti, is a systemic one manifested by swelling of the lymph nodes, subcutaneous swellings, diarrhea, abortion and infertility.
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Sclerodermatitis in a cow with besnoitiosis. By permission from Blowey RW, Weaver AD, Diseases and Disorders of Cattle, Mosby, 1997
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It has expanded and new conditions like congenital vertebral malformation, erythropoietic porphyria, incarcerated umbilical hernia, bleeding calf syndrome, besnoitiosis, tail sequestrum, rib fracture, abomasal impaction, tuberculosis, cardiac tamponade from tire wire, digital dermatitis, crushed tail head, BVD/MD retinopathy, botulism, fatty liver syndrome, persistent preputial frenulum, ischemic teat necrosis, and jejunal hemorrhagic syndrome.