Determination of coliforms in the water and soft tissue of oysters extracted in Cananeia, Sao Paulo, Brazil

被引:15
作者
Doi, Sonia Assami [1 ]
Fernandes Cardoso de Oliveira, Ana Julia [2 ]
Barbieri, Edson [3 ,4 ]
机构
[1] Inst Pesca Estado Sao Paulo Vinculado, APTA, SAA, Biol Programa Posgrad, Sao Paulo, SP, Brazil
[2] Univ Estadual Paulista Julio Mesquita Filho UNESP, Biol, Sao Vicente, SP, Brazil
[3] Univ Sao Paulo, Oceanog Biol Pela, Oceanog, Cananeia, SP, Brazil
[4] Governo Estado Sao Paulo, Inst Pesca, APTA, SAA SP, Cananeia, SP, Brazil
关键词
total and thermotolerant coliforms; estuary; microbiology contamination; shellfish harvesting; MICROBIOLOGICAL QUALITY; CRASSOSTREA-BRASILIANA; BACTERIA; DENSITY; CONSUMPTION; PARANA; CREEK;
D O I
10.1590/S1413-41522015020000125658
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
This study sought to evaluate the microbiological quality of water from the various locations where specimens of the oysters Crassostrea sp. were harvested in Cananeia estuary, as well as of the bivalve itself, through values of coliforms based on the Multiple Tube Technique. During the period from 2005 to 2011, samples of water were collected at ten points. The water analysis presented a geometric mean of thermotolerant coliforms of 24.67 MPN 100 mL(-1) and, in the soft tissues of the oysters, of 15.53 MPN g(-1). There was a significant difference between the locations analyzed as to the density of total and thermotolerant coliforms in water. After analysis of the variations of bacterial counting with regard to seasonal mean, autumn presented the highest mean numbers of coliforms in oysters, and most data were collected in April. There was a positive correlation between the coliforms found in water and those in the oyster.
引用
收藏
页码:111 / 118
页数:8
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