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Year 2015 - Volume 35, Number 2
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Action of products based on chlorhexidine and iodine for the adhesion and consolidated biofilm of Staphylococcus spp. isolated from milk, 35(2):105-109
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ABSTRACT.- Peixoto M.M.R., Gressler L.T., Sutili F.J., Costa M.M. & Vargas A.C. 2015. [Action of products based on chlorhexidine and iodine for the adhesion and consolidated biofilm of Staphylococcus spp. isolated from milk.] Ação dos desinfetantes sobre a adesão e biofilme consolidado de Staphylococcus spp. Pesquisa Veterinária Brasileira 35(2):105-109. Universidade Federal de Santa Maria, Av. Roraima 1000, Bairro Camobi, Santa Maria, RS 97105-900, Brazil. E-mail: agueda.vargas@gmail.com
Staphylococcus spp. are recognized as important causes of mastitis in dairy herds. These microorganisms have the ability to produce a structure called biofilm, which is responsible for the survival and often for resistance to the action of disinfectants and other harsh conditions. In this paper we evaluate the action of two teat dip products based on iodine (0,7%) and chlorhexidine (2,0%) on the adhesion of coagulase-positive staphylococci (CPS) and coagulase negative staphylococci (CNS) from subclinical mastitis cases, and also on its consolidate biofilm. The products tested showed a high reduction on the adhesion of all isolates. However, action on the consolidate biofilm was significant for CNS only, and unsatisfactory for CPS. Thus, it emphasizes the importance of health programs to prevent biofilm formation and reduce the sources of contamination of the mammary gland in dairy production systems.
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