Application of ozonated water for sanitizing cow teats and its influence on quality of milk
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Revista do Instituto de Laticínios Cândido Tostes |
Texto Completo: | https://www.revistadoilct.com.br/rilct/article/view/27 |
Resumo: | This study evaluated the efficiency of ozonated water compared with chlorhexidine to disinfect teats of cattle and their influence on milk quality. 48 cows were separated in 2 groups of sanitation: (I) using ozonated water at 2 mg.L-1 for 30s and (II) using 2%(v/v) chlorhexidine for 30s (standard methodology of disinfection). Before and after sanitation, swabs of teat were collected for carry out microbiological analysis. Additionally, after teats sanitation, the milking was performed and the obtained milk were evaluated by microbiological and physico-chemical parameters. The number of decimal reductions (NDR) reached after ozone sanitation was 2.52, 2.09 and 1.50 for aerobic mesophilic, Staphylococcus sp. and Enterobacteriaceae, respectively. The use of chlorhexidine promoted NRD of 2.38 (aerobic mesophilic), 2.04 (Staphylococcus sp.) and 1.16 (Enterobacteriaceae). Therefore, no significant differences were found between NRD caused by chlorhexidine and ozonated water. Moreover, no significant differences were observed in the psychrotrophic and aerobic mesophilic counts of the milk obtained after teats sanitation with ozonated water and chlorhexidine. Furthermore, it was observed that only samples obtained from cows treated with chlorhexidine showed the presence of Enterobacteriaceae. There were no changes in the physico-chemical parameters of milk obtained after both treatments. Thus, the ozonated water is a potential substitute of chlorhexidine for cows teats sanitation, resulting in similar microbiological reductions without risks of bacterial resistance development and waste generation. |
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Application of ozonated water for sanitizing cow teats and its influence on quality of milkUso da água ozonizada na sanitização dos tetos de bovinos e sua influência na qualidade do leitedisinfection of teats; microorganisms; ozone.desinfecção de tetos; micro-organismos; ozônio.This study evaluated the efficiency of ozonated water compared with chlorhexidine to disinfect teats of cattle and their influence on milk quality. 48 cows were separated in 2 groups of sanitation: (I) using ozonated water at 2 mg.L-1 for 30s and (II) using 2%(v/v) chlorhexidine for 30s (standard methodology of disinfection). Before and after sanitation, swabs of teat were collected for carry out microbiological analysis. Additionally, after teats sanitation, the milking was performed and the obtained milk were evaluated by microbiological and physico-chemical parameters. The number of decimal reductions (NDR) reached after ozone sanitation was 2.52, 2.09 and 1.50 for aerobic mesophilic, Staphylococcus sp. and Enterobacteriaceae, respectively. The use of chlorhexidine promoted NRD of 2.38 (aerobic mesophilic), 2.04 (Staphylococcus sp.) and 1.16 (Enterobacteriaceae). Therefore, no significant differences were found between NRD caused by chlorhexidine and ozonated water. Moreover, no significant differences were observed in the psychrotrophic and aerobic mesophilic counts of the milk obtained after teats sanitation with ozonated water and chlorhexidine. Furthermore, it was observed that only samples obtained from cows treated with chlorhexidine showed the presence of Enterobacteriaceae. There were no changes in the physico-chemical parameters of milk obtained after both treatments. Thus, the ozonated water is a potential substitute of chlorhexidine for cows teats sanitation, resulting in similar microbiological reductions without risks of bacterial resistance development and waste generation.Este trabalho avaliou a eficiência da água ozonizada em comparação com a clorexidina na desinfecção de tetos dos bovinos e sua influência na qualidade do leite. Um total de 48 bovinos foi dividido em dois tratamentos de sanitização: (I) água ozonizada na concentração de 2 mg.L-1 por 30s e (II) clorexidina a 2%(v/v) por 30s. Antes e após a desinfecção, amostras de esfregaços dos tetos foram coletadas para realização de análises microbiológicas. Além disso, após o processo de higienização também foram coletadas amostras de leite para realização de análises microbiológicas e físico-químicas. A desinfecção dos tetos com água ozonizada resultou em número de reduções decimais (NRD) nos tetos de 2,52, 2,09 e 1,50 para aeróbios mesófilos, Staphylococcus sp. e enterobactérias, respectivamente. O uso da clorexidina resultou em NRD de 2,38, 2,04 e 1,16 para os mesmos micro-organismos pesquisados. A avaliação comparativa desses resultados indicou não haver diferença significativa entre os tratamentos. No leite, as contagens de psicrotróficos e aeróbios mesófi los não apresentaram diferença entre os tratamentos. Para Staphylococcus sp. foi verificado a presença em duas amostras após higienização com água ozonizada e em quatro após a higienização com clorexidina. Para enterobactérias só foi verificado a presença em cinco amostras obtidas de vacas tratadas com clorexidina. Adicionalmente, não foram constatadas diferenças nos parâmetros físico-químicos do leite obtido após a desinfecção com clorexidina e água ozonizada. Assim, a água ozonizada é um substituto potencial da clorexidina na sanitização dos tetos de bovinos, obtendo reduções microbiológicas similares, sem risco do desenvolvimento de resistência bacteriana e sem gerar resíduos.ILCTCavalcante, Daniel AugustoLeite Júnior, Bruno Ricardo de CastroTribst, Alline Artigiani LimaCristianini, MarceloCoelho, Viviane Ribeiro Pinheiro2013-12-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistadoilct.com.br/rilct/article/view/2710.5935/2238-6416.20130026Journal of Candido Tostes Dairy Institute; v. 68, n. 392 (2013); 33-39Revista do Instituto de Laticínios Cândido Tostes; v. 68, n. 392 (2013); 33-392238-64160100-3674reponame:Revista do Instituto de Laticínios Cândido Tostesinstname:Empresa de Pesquisa Agropecuária de Minas Gerais (EPAMIG)instacron:EPAMIGporhttps://www.revistadoilct.com.br/rilct/article/view/27/31Direitos autorais 2014 Revista do Instituto de Laticínios Cândido Tostesinfo:eu-repo/semantics/openAccess2013-12-17T21:38:34Zoai:oai.rilct.emnuvens.com.br:article/27Revistahttp://www.revistadoilct.com.br/ONGhttps://www.revistadoilct.com.br/rilct/oai||revistadoilct@epamig.br|| revistadoilct@oi.com.br2238-64160100-3674opendoar:2013-12-17T21:38:34Revista do Instituto de Laticínios Cândido Tostes - Empresa de Pesquisa Agropecuária de Minas Gerais (EPAMIG)false |
dc.title.none.fl_str_mv |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk Uso da água ozonizada na sanitização dos tetos de bovinos e sua influência na qualidade do leite |
title |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk |
spellingShingle |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk Cavalcante, Daniel Augusto disinfection of teats; microorganisms; ozone. desinfecção de tetos; micro-organismos; ozônio. |
title_short |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk |
title_full |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk |
title_fullStr |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk |
title_full_unstemmed |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk |
title_sort |
Application of ozonated water for sanitizing cow teats and its influence on quality of milk |
author |
Cavalcante, Daniel Augusto |
author_facet |
Cavalcante, Daniel Augusto Leite Júnior, Bruno Ricardo de Castro Tribst, Alline Artigiani Lima Cristianini, Marcelo Coelho, Viviane Ribeiro Pinheiro |
author_role |
author |
author2 |
Leite Júnior, Bruno Ricardo de Castro Tribst, Alline Artigiani Lima Cristianini, Marcelo Coelho, Viviane Ribeiro Pinheiro |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
|
dc.contributor.author.fl_str_mv |
Cavalcante, Daniel Augusto Leite Júnior, Bruno Ricardo de Castro Tribst, Alline Artigiani Lima Cristianini, Marcelo Coelho, Viviane Ribeiro Pinheiro |
dc.subject.none.fl_str_mv |
|
dc.subject.por.fl_str_mv |
disinfection of teats; microorganisms; ozone. desinfecção de tetos; micro-organismos; ozônio. |
topic |
disinfection of teats; microorganisms; ozone. desinfecção de tetos; micro-organismos; ozônio. |
description |
This study evaluated the efficiency of ozonated water compared with chlorhexidine to disinfect teats of cattle and their influence on milk quality. 48 cows were separated in 2 groups of sanitation: (I) using ozonated water at 2 mg.L-1 for 30s and (II) using 2%(v/v) chlorhexidine for 30s (standard methodology of disinfection). Before and after sanitation, swabs of teat were collected for carry out microbiological analysis. Additionally, after teats sanitation, the milking was performed and the obtained milk were evaluated by microbiological and physico-chemical parameters. The number of decimal reductions (NDR) reached after ozone sanitation was 2.52, 2.09 and 1.50 for aerobic mesophilic, Staphylococcus sp. and Enterobacteriaceae, respectively. The use of chlorhexidine promoted NRD of 2.38 (aerobic mesophilic), 2.04 (Staphylococcus sp.) and 1.16 (Enterobacteriaceae). Therefore, no significant differences were found between NRD caused by chlorhexidine and ozonated water. Moreover, no significant differences were observed in the psychrotrophic and aerobic mesophilic counts of the milk obtained after teats sanitation with ozonated water and chlorhexidine. Furthermore, it was observed that only samples obtained from cows treated with chlorhexidine showed the presence of Enterobacteriaceae. There were no changes in the physico-chemical parameters of milk obtained after both treatments. Thus, the ozonated water is a potential substitute of chlorhexidine for cows teats sanitation, resulting in similar microbiological reductions without risks of bacterial resistance development and waste generation. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-12-17 |
dc.type.none.fl_str_mv |
|
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistadoilct.com.br/rilct/article/view/27 10.5935/2238-6416.20130026 |
url |
https://www.revistadoilct.com.br/rilct/article/view/27 |
identifier_str_mv |
10.5935/2238-6416.20130026 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://www.revistadoilct.com.br/rilct/article/view/27/31 |
dc.rights.driver.fl_str_mv |
Direitos autorais 2014 Revista do Instituto de Laticínios Cândido Tostes info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Direitos autorais 2014 Revista do Instituto de Laticínios Cândido Tostes |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
ILCT |
publisher.none.fl_str_mv |
ILCT |
dc.source.none.fl_str_mv |
Journal of Candido Tostes Dairy Institute; v. 68, n. 392 (2013); 33-39 Revista do Instituto de Laticínios Cândido Tostes; v. 68, n. 392 (2013); 33-39 2238-6416 0100-3674 reponame:Revista do Instituto de Laticínios Cândido Tostes instname:Empresa de Pesquisa Agropecuária de Minas Gerais (EPAMIG) instacron:EPAMIG |
instname_str |
Empresa de Pesquisa Agropecuária de Minas Gerais (EPAMIG) |
instacron_str |
EPAMIG |
institution |
EPAMIG |
reponame_str |
Revista do Instituto de Laticínios Cândido Tostes |
collection |
Revista do Instituto de Laticínios Cândido Tostes |
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Revista do Instituto de Laticínios Cândido Tostes - Empresa de Pesquisa Agropecuária de Minas Gerais (EPAMIG) |
repository.mail.fl_str_mv |
||revistadoilct@epamig.br|| revistadoilct@oi.com.br |
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1809738129065639936 |