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Efficiency of somatic cell count and california mastitis test in the diagnosis of subclinical mastitis in terrincha ewes

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dc.contributor.authorMendonça, Álvaro
dc.contributor.authorMachado, M.
dc.contributor.authorTavares, A.
dc.contributor.authorQuintas, Helder
dc.contributor.authorValentim, Ramiro
dc.contributor.authorMaurício, Raimundo
dc.contributor.authorCardoso, Manuel
dc.date.accessioned2012-07-18T15:34:27Z
dc.date.available2012-07-18T15:34:27Z
dc.date.issued2012
dc.description.abstractThis study aimed to compare the efficiency of microbiological test with Californian Mastitis Test and somatic cell count in the diagnosis of Subclinical Mastitis (SM) in Terrincha sheep. Twenty-seven of a flock of about 200 Terrincha ewes (local breed) were studied for a period of 9 weeks (n > 497 samples). Milk samples were aseptically collected from each half udder once a week. At the same time, another sampled was collected from the bulk tank. After being transported to Lab under refrigeration all samples were immediately processed. The tests performed were the total microbial count (PCA), the Californian Mastitis Test (CMT) and the somatic cell count (SCC). After PCA testing, all samples exceeding 500 cfu/ml of milk (10-1 dilution) were considered positive to mastitis. The SCC was performed by a Fossmatic equipment at the Lactogal Lab. CMT was more accurate to predict Negative (87.1%) than Positive (43.1%) samples (Chi-square = 42.5; P≤0.001), meaning that 12.9% half udders were classified as negative being positive and 47.7% half udders were classified as positive being negative. PCA Negative and Positive samples were related to different SCC values (Negative: 277,048.9 ± 571,249.7 vs. Positive: 800,329.5 ± 1,444.970 somatic cells; P≤0.001), allowing to identify the real Positive (infected) half udders in complement to CMT.por
dc.identifier.citationMendonça, Álvaro; Machado, M.; Tavares, A.; Quintas, Helder; Valentim, Ramiro; Maurício, Raimundo; Cardoso, Manuel (2012). Efficiency of somatic cell count and california mastitis test in the diagnosis of subclinical mastitis in terrincha ewes. In XXVII World Buiatrics Congress. Lisbonpor
dc.identifier.issn0873/6758
dc.identifier.urihttp://hdl.handle.net/10198/7254
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAssociação Portuguesa de Buiatriapor
dc.subjectMastitespor
dc.subjectTerrincha ewespor
dc.subjectSomatic Cells Countpor
dc.subjectMastitis Californian Testpor
dc.titleEfficiency of somatic cell count and california mastitis test in the diagnosis of subclinical mastitis in terrincha ewespor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceLisboapor
oaire.citation.endPage142por
oaire.citation.startPage141por
oaire.citation.titleXXVII World Buiatrics Congress 2012por
oaire.citation.volumeRevista Portuguesa de Buiatriapor
person.familyNameMendonça
person.familyNameQuintas
person.familyNameValentim
person.familyNameMaurício
person.givenNameÁlvaro
person.givenNameHelder
person.givenNameRamiro
person.givenNameRaimundo
person.identifier1486884
person.identifier.ciencia-id8A1F-7B31-A119
person.identifier.ciencia-id6018-8BBD-80AB
person.identifier.ciencia-idB01B-96FF-D524
person.identifier.orcid0000-0002-6934-1669
person.identifier.orcid0000-0002-3514-988X
person.identifier.orcid0000-0002-4099-9547
person.identifier.scopus-author-id35796342900
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublication94a7121f-3469-4d32-98c6-e8e06bd4637e
relation.isAuthorOfPublication068e74bc-656d-4fd1-93ed-f7346baa3b69
relation.isAuthorOfPublication7c1f54bd-81e6-45c4-ac4d-6a297ecd0f35
relation.isAuthorOfPublication18be4d07-9fbf-409a-b0a9-c78af6b49b19
relation.isAuthorOfPublication.latestForDiscovery068e74bc-656d-4fd1-93ed-f7346baa3b69

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