Q.46
One of the following is used as an indicator of faecal contamination
EXPLANATION
Indicator Organisms of Dairy Sanitation: Total Coliforms, Fecal Coliforms, E. coli & Enterococci
- Escherichia coli as an Indicator of Fecal Contamination:
- Bacteriological Water and Milk Standards:
- Escherichia coli is an obligate inhabitant of the gastrointestinal tract of warm-blooded vertebrates.
- Its presence in pasteurized milk or processing water provides unambiguous, direct proof of recent fecal contamination and potential presence of pathogenic enteric bacteria and viruses.
- Conclusion: E.coli (Option 1).
Correct option: (1) E.coli
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