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Diagnosis of subclinical mastitis in Santa Inês and Morada Nova sheep in southeastern Brazil.
Zafalon, Luiz Francisco; Santana, Raul Costa Mascarenhas; Pilon, Lucas Eduardo; Júnior, Guilherme Aparecido Fim.
Afiliação
  • Zafalon LF; Brazilian Agricultural Research Corporation (EMBRAPA), Embrapa Southeast Livestock, Rod. Washington Luís, Km 234, Caixa Postal 339, 13560-970, São Carlos, SP, Brazil. luiz.zafalon@embrapa.br.
  • Santana RC; Brazilian Agricultural Research Corporation (EMBRAPA), Embrapa Southeast Livestock, Rod. Washington Luís, Km 234, Caixa Postal 339, 13560-970, São Carlos, SP, Brazil.
  • Pilon LE; Postgraduate Program in Veterinary Medicine, School of Agricultural and Veterinarian Sciences, UNESP - Univ Estadual Paulista, Via de Acesso Prof. Paulo Donato Castellane, s/n, 14884-900, Jaboticabal, SP, Brazil.
  • Júnior GA; Postgraduate Program in Veterinary Medicine, School of Agricultural and Veterinarian Sciences, UNESP - Univ Estadual Paulista, Via de Acesso Prof. Paulo Donato Castellane, s/n, 14884-900, Jaboticabal, SP, Brazil.
Trop Anim Health Prod ; 48(5): 967-72, 2016 Jun.
Article em En | MEDLINE | ID: mdl-26994913
The objective of this study was to evaluate different screening limits for the California mastitis test (CMT) and the somatic cell count (SCC) in previous diagnoses of subclinical mastitis in Santa Inês and Morada Nova ewes, which were reared under the same management conditions. Additionally, cutoff points were defined for SCC in accordance with the sensitivity and specificity of the test. A total of 907 mammary halves were subjected to CMT and SCC. The disease was confirmed by means of microbiological identification. Coagulase-negative staphylococci (CNS) were the microorganisms with highest occurrence. The CMT score of 1+ provided adequate sensitivity and specificity at all periods of lactation investigated. This score showed good agreement with SCC, >400,000 cells mL(-1). Higher cell counts favored higher diagnostic specificity. They can be used when producers have financial difficulties relating to treatment or culling of sheep with subclinical mastitis. However, producers should be warned about the risk of false-negative results in the flock.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Doenças dos Ovinos / Contagem de Células / Testes Diagnósticos de Rotina / Mastite Tipo de estudo: Diagnostic_studies / Prognostic_studies Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Trop Anim Health Prod Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos
Texto completo
Adicionar na Minha BVS
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XML
PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Doenças dos Ovinos / Contagem de Células / Testes Diagnósticos de Rotina / Mastite Tipo de estudo: Diagnostic_studies / Prognostic_studies Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Trop Anim Health Prod Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos