Life Cycle Patterns of Epigeic Earthworm Species (Eisenia fetida, Eisenia andrei, and Dendrobaena veneta) in a Blend of Brewery Sludge and Cow Dung

Table 2

Incubation period and hatching performance of cocoons of E. fetida, E. andrei, and D. veneta.

	Earthworm species
	E. fetida	E. andrei	D. veneta
Incubation period (in days)	21–26	21–27	35–44
Total number of hatched cocoons	13 ± 0.05	13 ± 0.03	12 ± 0.03
Hatching success	86.6%	86.6%	80%
Total number of hatchlings emerged	52 ± 0.88	50 ± 0.66	14.33 ± 0.33
Hatchlings/cocoon	3.5	3.3	0.95