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Registro Completo |
Biblioteca(s): |
Embrapa Hortaliças. |
Data corrente: |
13/05/2003 |
Data da última atualização: |
13/05/2003 |
Autoria: |
VIEIRA, G. L.; VIDAL, A. J. |
Título: |
Faltará tomate em julho. |
Ano de publicação: |
2002 |
Fonte/Imprenta: |
Hortifruti Brasil, Piracicaba, v. 1, n. 3, p. 10, jul. 2002. |
Idioma: |
Português |
Palavras-Chave: |
Brasil. |
Thesagro: |
Lycopersicon Esculentum; Oferta; Pós-Colheita; Produção; Produtividade; Tomate. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00517naa a2200205 a 4500 001 1772552 005 2003-05-13 008 2002 bl uuuu u00u1 u #d 100 1 $aVIEIRA, G. L. 245 $aFaltará tomate em julho. 260 $c2002 650 $aLycopersicon Esculentum 650 $aOferta 650 $aPós-Colheita 650 $aProdução 650 $aProdutividade 650 $aTomate 653 $aBrasil 700 1 $aVIDAL, A. J. 773 $tHortifruti Brasil, Piracicaba$gv. 1, n. 3, p. 10, jul. 2002.
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| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
17/02/2016 |
Data da última atualização: |
16/05/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
CARDOZO, L. L.; THALER NETO, A.; SOUZA, G. N. de; PICININ, L. C. A.; FELIPUS, N. C.; RECHE, N. L. M.; SCHMIDT, F. A.; WERNCKE, D.; SIMON, E. E. |
Afiliação: |
L. L. CARDOZO, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; A. THALER NETO, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; GUILHERME NUNES DE SOUZA, CNPGL; L. C. A. PICININ, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; N. C. FELIPUS, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; N. L. M. RECHE, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; F. A. SCHMIDT, UNIVERSIDADE DO ESTADO DE SANTA CATARINA; D. WERNCKE, UFRGS; E. E. SIMON, UNIVERSIDADE DO ESTADO DE SANTA CATARINA. |
Título: |
Risk factors for the occurrence of new and chronic cases of subclinical mastitis in dairy herds in southern Brazil. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Journal of Dairy Science, v. 98, n. 11, p. 7675-7685, 2015. |
Idioma: |
Inglês |
Conteúdo: |
The aim of this research was to evaluate the risk factors for new and chronic subclinical intramammary infections (IMI) using the monthly somatic cells count of dairy cows. The study took place at 30 dairy herds with approximately 1,700 cows in lactation. Data characterizing the dairy farms and their milking management were obtained from a survey questionnaire. The somatic cells count values from 2 consecutive months were used to classify cows as either healthy or with new or chronic infections. A chi-squared test was used in the analysis of subclinical IMI to evaluate associations between each independent variable, followed by logistic regression to estimate the risk of a new infection in healthy cows and of chronic infection in cows with new infections. Factors increasing the odds ratio of a cow developing a new case of subclinical mastitis were (1) cows with more than 3 lactations, (2) cows with a mean hyperkeratosis score above 3, (3) cows with the udder below the hock, (4) cows with very dirty udders, and (5) milking of infected animals before healthy cows. Factors increasing the risk of a subclinical chronic infection compared with new cases of subclinical mastitis were (1) a lack of regular maintenance of milking machinery, (2) cows over 100 d in lactation, and (3) cows with the udder on or below the hock. The risk factors identified in this study can be used in IMI control programs to reduce the frequency of new and chronic cases of subclinical mastitis. |
Palavras-Chave: |
Dairy herd; Intramammary infection; Somatic cell. |
Thesaurus NAL: |
odds ratio. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02279naa a2200265 a 4500 001 2037427 005 2024-05-16 008 2015 bl uuuu u00u1 u #d 100 1 $aCARDOZO, L. L. 245 $aRisk factors for the occurrence of new and chronic cases of subclinical mastitis in dairy herds in southern Brazil.$h[electronic resource] 260 $c2015 520 $aThe aim of this research was to evaluate the risk factors for new and chronic subclinical intramammary infections (IMI) using the monthly somatic cells count of dairy cows. The study took place at 30 dairy herds with approximately 1,700 cows in lactation. Data characterizing the dairy farms and their milking management were obtained from a survey questionnaire. The somatic cells count values from 2 consecutive months were used to classify cows as either healthy or with new or chronic infections. A chi-squared test was used in the analysis of subclinical IMI to evaluate associations between each independent variable, followed by logistic regression to estimate the risk of a new infection in healthy cows and of chronic infection in cows with new infections. Factors increasing the odds ratio of a cow developing a new case of subclinical mastitis were (1) cows with more than 3 lactations, (2) cows with a mean hyperkeratosis score above 3, (3) cows with the udder below the hock, (4) cows with very dirty udders, and (5) milking of infected animals before healthy cows. Factors increasing the risk of a subclinical chronic infection compared with new cases of subclinical mastitis were (1) a lack of regular maintenance of milking machinery, (2) cows over 100 d in lactation, and (3) cows with the udder on or below the hock. The risk factors identified in this study can be used in IMI control programs to reduce the frequency of new and chronic cases of subclinical mastitis. 650 $aodds ratio 653 $aDairy herd 653 $aIntramammary infection 653 $aSomatic cell 700 1 $aTHALER NETO, A. 700 1 $aSOUZA, G. N. de 700 1 $aPICININ, L. C. A. 700 1 $aFELIPUS, N. C. 700 1 $aRECHE, N. L. M. 700 1 $aSCHMIDT, F. A. 700 1 $aWERNCKE, D. 700 1 $aSIMON, E. E. 773 $tJournal of Dairy Science$gv. 98, n. 11, p. 7675-7685, 2015.
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