Escherichia Coli in Sewage Sludge - Detection Method / Escherichia Coli W Osadach Ściekowych - Metoda Wykrywania

Escherichia coli is Gram-negative optionally anaerobic roads which belongs to Enterobacteriaceae family. Includes in a physiological bacterial flora of human and warm-blooded animals large intestine. Escherichia coli is being met in abiotic elements of the environment so as waters, wastewater, sewage sludge, soil and the food. This bacterium is showing the pathogenicity in named terms for the peoples, triggering diseases mainly: gastrointestinal tract and urinary.

Quality and quantitative proposed detections method of the bacteria E. coli contains five/six steps:

- appointment dry suspended solid,

- preparation averaged, test of sample and resuscitation of bacteria,

- making dilutions,

- enrichment and differentiation in chromogenic-selective medium,

- enumerating the amount of cfu E. coli in 1 g of a dry weight,

- optionally, the biochemical identification