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Table 1 Microbiological contamination of meat of the clam Tivela mactroides sampled in 2003–2004 along the shore of Caraguatatuba Bay, southeastern Brazil

From: Assessment of contamination of the beach clam Tivela mactroides: implications for food safety of a recreational and subsistence marine resource in Caraguatatuba Bay, Brazil

Agents Unit Ref. val. March 30, 2003 January 10, 2004 February 26, 2004
Brasil, Agência Nacional de Vigilância Sanitária ( 2001 ) FAO/WHO Food and Agriculture Organization of United Nations/World Health Organization ( 2008 ) Samples Samples Samples
1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6
Fecal coliforms MPN/g 50 700 920 170 110 8 13 8 460 14 2400 110 43 11 43 ≥2400 1100 93 9 460
Staphylococcus aureus CFU/g 1000   - - 1700 3000 - - - - - - - - 7000 12000 57000 3500 4000 5000
Salmonella sp.   Abs.   - - Abs. Abs. - - - - - - - - Pres. Pres. Pres. Pres. Pres. Pres.
Vibrio cholerae   Abs.   - - - - - - Pres. Pres. Pres. Pres. Pres. Pres. Pres. Pres. Pres. Pres. Pres. Pres.
  1. Ref. Val. = maximum reference limits for human consumption, MPN = most probable number, CFU = colony-forming units, Abs. = absence, Pres. = presence, − = No data.