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Year 2018 - Volume 38, Number 7
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Foot diseases in sheep in the state of Bahia, Brazil, 38(7):1250-1258
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ABSTRACT.- Carvalho V.S., Santos M.C., Guimarães J.E., Oliveira-Filho J.C., Costa Neto A.O., Macêdo J.T.S.A. & Pedroso P.M.O. 2018. [Foot diseases in sheep in the state of Bahia, Brazil.] Doenças podais em ovinos no estado da Bahia. Pesquisa Veterinária Brasileira 38(7):1250-1258. Laboratório de Patologia Veterinária, Fundação Universidade de Brasília, Campus Universitário Darcy Ribeiro, Via L4 Norte s/n, Brasília, DF 70910-970, Brazil. E-mail: pedrosovet@yahoo.com.br
Foot diseases are the main causes of lameness in small ruminants, causing great impact on animal welfare and important economic losses due to depreciation and culling of affected animals. The aim of the present study was to characterize foot diseases found in eight flocks of sheep with a history of the ailment, that belonged to eight municipalities in the state of Bahia. At each visit, inspection of the flock, survey questionnaire, and characterization of diseases were performed. Altogether 600 sheep were inspected through foot examination in sick animals to characterize the injuries and record the diseases present per animal, as affected hooves and the number of affected limbs. The occurrence of foot disease was 23.3% (140/600) ranging from 12.8 to 55.5% per farm. Two hundred and twenty cases involving nine diseases were recorded. Foot rot was the most common disease with 51.3% of cases (113/220), 70% corresponding to advanced and terminal stages. Interdigital dermatitis represented 27.7% of the cases, excessive hoof growth 8.6%, white line disease 3.2%, double soles 3.2%, toe granuloma 2.3%, interdigital hyperplasia 2.3%, sole ulcers 0.9% and 0.4% foot abscess. The main predisposing factors involved in the genesis of diseases were the high rainfall precipitation, soil moisture conditions, pens and pastures, poor sanitary management and lack of preventive measures (footbath, quarantine, isolation and vaccination), treatment failures and low infrastructure of most properties. |
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