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| Registros recuperados : 463 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
30/08/2018 |
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Data da última atualização: |
06/05/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
ZAFALON, L. F.; SANTANA, R. C. M.; ESTEVES, S. N.; FIM JÚNIOR, G. A. |
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Afiliação: |
LUIZ FRANCISCO ZAFALON, CPPSE; RAUL COSTA MASCARENHAS SANTANA, CPPSE; SERGIO NOVITA ESTEVES, CPPSE; Guilherme Aparecido Fim Júnior, Unesp Jaboticabal. |
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Título: |
Somatic cell count in the diagnosis of subclinical mastitis in sheep of different breeds. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Semina: Ciências Agrárias, Londrina, v.39, n.4, p.1555-1564, jul./ago. 2018 |
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ISSN: |
1679-0359 |
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DOI: |
10.5433/1679-0359.2018v39n4p1555 |
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Idioma: |
Inglês |
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Conteúdo: |
The aims of this study were to determine the occurrence of subclinical mastitis in sheep of different breeds and the values for somatic cell count (SCC) in milk for the diagnosis of the disease at lactation and weaning, a fundamental prerequisite for identifying animals in need of control measures. Milk samples were obtained from 1,457 mammary halves of Santa Inês, Texel, Ile de France, and Dorper sheep at two different periods, during the second week of lactation and at weaning. After teats antisepsis, the samples were collected, and identification of the infectious etiology of mastitis and determination of SCC were performed. Microorganisms were identified in 117/762 (15.3%) mammary halves in the second week of lactation and in 86/694 (12.4%) at weaning. Coagulase-negative staphylococci (CoNS) were the etiological agents with the highest incidence alone and in association with other microorganisms, with percentages of 58.1% and 60.6%, respectively. The Santa Inês presented a higher incidence of subclinical mastitis when compared to the other breeds. The cut-off values of SCC for subclinical mastitis were determined at both sampling periods and varied according to stage of lactation, as well breed. These results illustrate the lack of a universal value that can be used for the diagnosis of mastitis and suggests the need for permanent follow-up in herds in order to control the disease. |
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Palavras-Chave: |
Teste diagnóstico. |
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Thesagro: |
Leite; Ovelha. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/182166/1/SomaticCellCount.pdf
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Marc: |
LEADER 02084naa a2200217 a 4500
001 2094820
005 2019-05-06
008 2018 bl uuuu u00u1 u #d
022 $a1679-0359
024 7 $a10.5433/1679-0359.2018v39n4p1555$2DOI
100 1 $aZAFALON, L. F.
245 $aSomatic cell count in the diagnosis of subclinical mastitis in sheep of different breeds.$h[electronic resource]
260 $c2018
520 $aThe aims of this study were to determine the occurrence of subclinical mastitis in sheep of different breeds and the values for somatic cell count (SCC) in milk for the diagnosis of the disease at lactation and weaning, a fundamental prerequisite for identifying animals in need of control measures. Milk samples were obtained from 1,457 mammary halves of Santa Inês, Texel, Ile de France, and Dorper sheep at two different periods, during the second week of lactation and at weaning. After teats antisepsis, the samples were collected, and identification of the infectious etiology of mastitis and determination of SCC were performed. Microorganisms were identified in 117/762 (15.3%) mammary halves in the second week of lactation and in 86/694 (12.4%) at weaning. Coagulase-negative staphylococci (CoNS) were the etiological agents with the highest incidence alone and in association with other microorganisms, with percentages of 58.1% and 60.6%, respectively. The Santa Inês presented a higher incidence of subclinical mastitis when compared to the other breeds. The cut-off values of SCC for subclinical mastitis were determined at both sampling periods and varied according to stage of lactation, as well breed. These results illustrate the lack of a universal value that can be used for the diagnosis of mastitis and suggests the need for permanent follow-up in herds in order to control the disease.
650 $aLeite
650 $aOvelha
653 $aTeste diagnóstico
700 1 $aSANTANA, R. C. M.
700 1 $aESTEVES, S. N.
700 1 $aFIM JÚNIOR, G. A.
773 $tSemina: Ciências Agrárias, Londrina$gv.39, n.4, p.1555-1564, jul./ago. 2018
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Embrapa Pecuária Sudeste (CPPSE) |
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