Table 3

GFC and GFD qPCR performance on fecal dilutions

AssayFecal sourceSloper2LOD
Fecal (mg feces/100 ml)Indicator (MPN indicator/100 ml)
GFCGulla0.860.890.12 enterococci
GFDChickenb1.010.960.187 coliforms or 13 E. coli cells
  • a For GFC, gull feces were diluted in unfiltered marine water.

  • b For GFD, chicken feces were diluted in unfiltered stream water.