Table 5.

Fate of earthworms during vermifiltration.

Start of the experiment	End of the experiment	Duration of the experiment (days)	References
Number of earthworms
200	214	77	[57]
200	206	77	[57]
480	670	133	[55]
800	950	120	[32]
800	1000	91	[6]
Density of earthworms biomass (g/L)
39.05	47.64	77	[57]
32	43	60	[104]
50	86.5		[33]
50	73.5		[33]
50	64.5		[33]
50	65		[33]
Percentage of increase (%)
28.3–31.5		100	[65]
19.1–26.2		100	[65]
20.29–27.82			[84]
11.4			[69]
26–32.4			[19]