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Year 2018 - Volume 38, Number 3
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Epidemiological and clinical study of foot diseases in beef cattle extensive management in southeastern Pará, Brazil., 38(3):367-373
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ABSTRACT.- Silveira J.A.S., Silva N.S., Albernaz T.T., Bomjardim H.A., Belo Reis A.S., Oliveira C.M.C., Duarte M.D. & Barbosa J.D. 2018. [Epidemiological and clinical study of foot diseases in beef cattle extensive management in southeastern Pará, Brazil.] Estudo epidemiológico e clínico de afecções podais em bovinos de corte manejados extensivamente no sudeste do Pará. Pesquisa Veterinária Brasileira 38(3):367-373. Faculdade de Medicina Veterinária, Instituto de Medicina Veterinária, Campus Castanhal, Universidade Federal do Pará, Rodovia BR-316 Km 61, Castanhal, PA 68741-740, Brazil. E-mail: jalcides@ufpa.br
The epidemiological study was conducted in 12 farms with the history of foot disease occurrence. Clinical examination of the affected cattle for the diagnosis of foot disease was performed only on nine of these farms. Multiple risk factors were found for digit injuries, as syringes floors paved with rocks, working chutes with iron fittings exposure, loading ramps covered with sharp stones and the lack of maintenance and structural errors. On each farm there was an inappropriate handling of cattle. On 91.7% of them (11/12) existed pickets with trunks of trees and 66.7% (8/12) had areas of sloping relief with stones. Moreover, 16.7% (2/12) of the farms were in marsh areas and wetlands. Sodomy was reported for all farms. None of them adopted preventive measures related to foot problems. A total of 498 cattle, males and females, were examined. The hind limbs were the most affected in both, females and in males. In females 629 lesions were diagnosed. The septic pododermatitis was the most common, followed by claw deformities, pododermatitis in the paradigits and digital dermatitis. In males 285 injuries were diagnosed; the most common were septic pododermatitis, claw deformities and heel erosion. It was concluded that management errors associated with inadequate facilities were factors that contributed to the occurrence of foot diseases in beef cattle of the farms studied. The environmental characteristics favored the development of lesions; combined injuries were more prevalent than the simple ones diagnosed in cattle of all farms. Early diagnosis was not carried out in the field, what helped to increase the severity and the diversification of the foot problems. |
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