In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/21597 |
Resumo: | The process of teat disinfection is a widely accepted component of successful mastitis control programs by reducing the number of bacteria on the teat skin and healing teat lesions. For contagious pathogens such as Staphylococcus aureus, post-milking teat disinfection remains a simple, effective and economical practice for prevention of new intramammary infections (IMIs) of lactating dairy cows. Despite the universal acceptance of teat dipping as a method of mastitis control, variations in the susceptibility and resistance profile of mastitis pathogens among antiseptics have been described. Thus, here we sought to explore the in vitro efficacy of the followings antiseptics against S. aureus isolated from IMIs: chlorhexidine (2.0%), chlorine (2.5%), quarternary ammonium (4.0%), lactic acid (2.0%) and iodine (0.6%). We used 50 S. aureus strains isolated from bovine IMIs from 50 dairy herds located at Minas Gerais, São Paulo, Paraná and Rio Grande do Sul States (Brazil). The antiseptics were evaluated at four different specific intervals (15, 30, 60 and 300 s). We found a higher activity for quarternary ammonium and chlorhexidine against S. aureus at all time-points, followed by iodine and then chlorine. Lactic acid treatment produced the worst results for all time-points and strains. Due to variations in the sensitivity and resistance profile of antiseptics against S. aureus isolated from IMIs, the effectiveness of the antiseptics against the major mastitis pathogens should be periodically evaluated in dairy farms in an attempt to reduce the rate of new IMIs in the herd. |
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In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitisEficácia in vitro de antissépticos utilizados no controle da mastite bovina frente a isolados de Staphylococcus aureusDairy cowIntramammary infectionMilkingTeat dipAntiseptics.Bovinos leiteirosDesinfetante de tetoInfecção intramamáriaOrdenha.The process of teat disinfection is a widely accepted component of successful mastitis control programs by reducing the number of bacteria on the teat skin and healing teat lesions. For contagious pathogens such as Staphylococcus aureus, post-milking teat disinfection remains a simple, effective and economical practice for prevention of new intramammary infections (IMIs) of lactating dairy cows. Despite the universal acceptance of teat dipping as a method of mastitis control, variations in the susceptibility and resistance profile of mastitis pathogens among antiseptics have been described. Thus, here we sought to explore the in vitro efficacy of the followings antiseptics against S. aureus isolated from IMIs: chlorhexidine (2.0%), chlorine (2.5%), quarternary ammonium (4.0%), lactic acid (2.0%) and iodine (0.6%). We used 50 S. aureus strains isolated from bovine IMIs from 50 dairy herds located at Minas Gerais, São Paulo, Paraná and Rio Grande do Sul States (Brazil). The antiseptics were evaluated at four different specific intervals (15, 30, 60 and 300 s). We found a higher activity for quarternary ammonium and chlorhexidine against S. aureus at all time-points, followed by iodine and then chlorine. Lactic acid treatment produced the worst results for all time-points and strains. Due to variations in the sensitivity and resistance profile of antiseptics against S. aureus isolated from IMIs, the effectiveness of the antiseptics against the major mastitis pathogens should be periodically evaluated in dairy farms in an attempt to reduce the rate of new IMIs in the herd.O processo de antissepsia dos tetos é uma prática amplamente recomendada no controle da mastite por reduzir o número de bactérias na pele do teto e curar lesões de teto pré-existentes. Para patógenos contagiosos como o Staphylococcus aureus, a antissepsia dos tetos após a ordenha permanece como uma prática simples, efetiva e economicamente viável na prevenção de novas infecções intramamárias (IMIs). No entanto, variações do perfil de susceptibilidade de patógenos causadores de mastite aos antissépticos têm sido descritas. Desta forma, o presente estudo objetivou avaliar a eficácia in vitro dos antissépticos a base de iodo (0,6%), cloro (2,0%), clorexidine (2,5%), compostos quartenários de amônio (4,0%) e ácido láctico (2,0%) utilizados no pré- e pós-dipping em isolados de Staphylococcus aureus de casos de IMIs. Utilizou-se 50 isolados de S. aureus provenientes de 50 propriedades leiteiras localizadas nos Estados de Minas Gerais, São Paulo, Paraná e Rio Grande do Sul – Brasil. Os antissépticos foram avaliados em quatro tempos distintos (15 s, 30 s, 60 s e 300 s). Os resultados apontaram para maior eficácia dos compostos quartenário de amônio e do clorexidine, seguido pelo iodo e cloro contra os isolados de S. aureus nos momentos avaliados. O ácido láctico apresentou a menor atividade antisséptica em todos os momentos avaliados. Desta forma, devido a variações no perfil de susceptibilidade e resistência dos isolados de S. aureus isolados de casos de mastite bovina aos antissépticos, a eficácia dos antissépticos contra os patógenos primários causadores de mastites devem ser periódicamente avaliada na tentativa de reduzir a taxa de novas infecções intramamárias no rebanho.UEL2016-08-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPesquisa Empírica de CampoAvaliado por paresapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2159710.5433/1679-0359.2016v37n4p1997Semina: Ciências Agrárias; Vol. 37 No. 4 (2016); 1997-2002Semina: Ciências Agrárias; v. 37 n. 4 (2016); 1997-20021679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/21597/19639http://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessSantos, Renata PaoliSouza, Fernando Nogueira deVasconcelos, Carla Gasparotto ChandeCortez, AdrianaRosa, Dalila Lapinha Silva OliveiraJardim, Annatachi BotelhoCunha, Adriano FrançaLana, Ângela Maria QuintãoHeinemann, Marcos BryanCerqueira, Mônica Maria Oliveira Pinho2022-12-01T11:39:06Zoai:ojs.pkp.sfu.ca:article/21597Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-12-01T11:39:06Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis Eficácia in vitro de antissépticos utilizados no controle da mastite bovina frente a isolados de Staphylococcus aureus |
title |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis |
spellingShingle |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis Santos, Renata Paoli Dairy cow Intramammary infection Milking Teat dip Antiseptics. Bovinos leiteiros Desinfetante de teto Infecção intramamária Ordenha. |
title_short |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis |
title_full |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis |
title_fullStr |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis |
title_full_unstemmed |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis |
title_sort |
In vitro efficacy of teat antiseptics against Staphylococcus aureus strains isolated from bovine mastitis |
author |
Santos, Renata Paoli |
author_facet |
Santos, Renata Paoli Souza, Fernando Nogueira de Vasconcelos, Carla Gasparotto Chande Cortez, Adriana Rosa, Dalila Lapinha Silva Oliveira Jardim, Annatachi Botelho Cunha, Adriano França Lana, Ângela Maria Quintão Heinemann, Marcos Bryan Cerqueira, Mônica Maria Oliveira Pinho |
author_role |
author |
author2 |
Souza, Fernando Nogueira de Vasconcelos, Carla Gasparotto Chande Cortez, Adriana Rosa, Dalila Lapinha Silva Oliveira Jardim, Annatachi Botelho Cunha, Adriano França Lana, Ângela Maria Quintão Heinemann, Marcos Bryan Cerqueira, Mônica Maria Oliveira Pinho |
author2_role |
author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Santos, Renata Paoli Souza, Fernando Nogueira de Vasconcelos, Carla Gasparotto Chande Cortez, Adriana Rosa, Dalila Lapinha Silva Oliveira Jardim, Annatachi Botelho Cunha, Adriano França Lana, Ângela Maria Quintão Heinemann, Marcos Bryan Cerqueira, Mônica Maria Oliveira Pinho |
dc.subject.por.fl_str_mv |
Dairy cow Intramammary infection Milking Teat dip Antiseptics. Bovinos leiteiros Desinfetante de teto Infecção intramamária Ordenha. |
topic |
Dairy cow Intramammary infection Milking Teat dip Antiseptics. Bovinos leiteiros Desinfetante de teto Infecção intramamária Ordenha. |
description |
The process of teat disinfection is a widely accepted component of successful mastitis control programs by reducing the number of bacteria on the teat skin and healing teat lesions. For contagious pathogens such as Staphylococcus aureus, post-milking teat disinfection remains a simple, effective and economical practice for prevention of new intramammary infections (IMIs) of lactating dairy cows. Despite the universal acceptance of teat dipping as a method of mastitis control, variations in the susceptibility and resistance profile of mastitis pathogens among antiseptics have been described. Thus, here we sought to explore the in vitro efficacy of the followings antiseptics against S. aureus isolated from IMIs: chlorhexidine (2.0%), chlorine (2.5%), quarternary ammonium (4.0%), lactic acid (2.0%) and iodine (0.6%). We used 50 S. aureus strains isolated from bovine IMIs from 50 dairy herds located at Minas Gerais, São Paulo, Paraná and Rio Grande do Sul States (Brazil). The antiseptics were evaluated at four different specific intervals (15, 30, 60 and 300 s). We found a higher activity for quarternary ammonium and chlorhexidine against S. aureus at all time-points, followed by iodine and then chlorine. Lactic acid treatment produced the worst results for all time-points and strains. Due to variations in the sensitivity and resistance profile of antiseptics against S. aureus isolated from IMIs, the effectiveness of the antiseptics against the major mastitis pathogens should be periodically evaluated in dairy farms in an attempt to reduce the rate of new IMIs in the herd. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-08-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pesquisa Empírica de Campo Avaliado por pares |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/21597 10.5433/1679-0359.2016v37n4p1997 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/21597 |
identifier_str_mv |
10.5433/1679-0359.2016v37n4p1997 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/21597/19639 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 37 No. 4 (2016); 1997-2002 Semina: Ciências Agrárias; v. 37 n. 4 (2016); 1997-2002 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306073946980352 |