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Table 2 Microbiological contamination of meat of the clam Tivela mactroides sampled in 2004–2005 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. April 22, 2004 May 19, 2004 September 2, 2004 February 16, 2005
Brasil, Agência Nacional de Vigilância Sanitária (2001) FAO/WHO Food and Agriculture Organization of United Nations/World Health Organization (2008) Sampling sites Sampling sites Sampling sites Sampling sites
A B C A B C A B C A B C
Fecal coliforms MPN/g 50 700 ≥2400 ≥2400 ≥2400 210 240 15 9 4 9 240 39 9
Staphylococcus aureus CFU/g 1000   3500 610 3900 2400 1500 500 1400 1200 800 300 300 300
Salmonella sp.   Abs.   Pres. Pres. Pres. Pres. Pres. Pres. 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.