Detection of Free-Living Amoebae Using Amoebal Enrichment in a Wastewater Treatment Plant of Gauteng Province, South Africa

Table 1

Densities of amoebae recovered using different food source, concentration methods and temperatures.

Condition	Amoebae recovered (no. of plates)
	Low (+)	High (++)	Very High (+++)
Live E.  coli	0	29	21
HK E. coli	1	29	20
Filtration	2	25	23
Centrifugation	31	19	0
RT	15	24	11
32°C	0	28	22
37°C	0	32	18

RT = room temperature.