isolamento de esporos de equipamentos de abatedouros avícolas e avaliação de sua resistência a sanificantes químicos isolament of aerobic mesofilic and thermofilic spores in equipaments of poultry slaughter and their resistance against the chemists disinfectants

Clicks: 238
ID: 226447
1997
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Abstract
Com o objetivo de fornecer subsídios para o controle de microrganismos em abatedouro de aves, avaliou-se a ação dos agentes químicos sanificantes comprovadamente mais eficientes (hipoclorito de sódio, ácido peracético, e dicloroisocianurato de sódio) em suspensões de esporos de bactérias aeróbias mesófilas e termófilas, isoladas de equipamentos de abatedouro de aves. Pelo teste de Duncan, constatou-se que dentre os esporos isolados o mais resistente obteve 1,5 e 1,2 RD quando em contato com o hipoclorito de sódio e ao ácido peracético com 30 minutos de tempo de contato, que foram os sanificantes mais eficientes (P > 0,05). O dicloroisocianurato de sódio proporcionou 0,1 RD em 30 minutos de tempo de contato com a mesma suspensão de esporos. Os esporos isolados apresentaram diferentes resistências aos sanificantes avaliados, indicando a necessidade de uma seleção criteriosa de agentes químicos para o procedimento de sanificação, sendo importante um rodízio entre os sanificantes mais eficientes testados, que foram o hipoclorito de sódio e o ácido peracético.
With the objective of providing subsidies for the control of microorganisms at poultry slaughter, evaluated the action of agents disinfectants chemists, provably more efficient (sodium hypochlorite, peracetic acid, and sodium dicloroisocyanurate) in suspensions of bacterium spores morphologicly different, isolated of equipaments of poultry slaughter. Through Duncan test, we verified that the most resistant, isolate, got 1,5 and 1,2 RD when in contact with the sodium hypochlorite and peracetic acid, respectively, with contact time of 30 minutes (P > 0,05). The sodium dicloroisocyanurate got 0,1 RD in 30 minutes of contact time with this suspension. The isolated spores show different resistances in relationship to disinfectants evatuaded, indicating the necessity of the standard selection of chemists agents for the proceeding of sanitation, being important a selection between the most efficient testified disinfectants,that were sodium hypochlorite and peracetic acid.
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Authors ;M.S.V. MORAES;N.J. ANDRADE;J.B.P. CHAVES;F.J.V. PASSOS;L.A.M. GOMIDE
Journal software - practice and experience
Year 1997
DOI
10.1590/S0101-20611997000300025
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