Eudrilus eugeniae
Encyclopedia
Eudrilus eugeniae is a species of earthworm
native to tropical west Africa and now widespread in warm regions, both wild and under vermicultureand
also called as the african night crawler
growth:
• Fecundity, growth, maturation and biomass production were all significantly greater at 25°C than 15°, 20°or 30°. {25ºC = 77ºF}
• The growth of individual earthworms increased the lower the population density, but the greatest overall earthworm biomass production occurs at the highest population density.
• The greatest number of coccons per week and the number of hatchlings per cocoon are obtained at 25°C. Cocoons of E. eugeniae hatched in only 12 days at 25°C, the earthworms at these temperatures reached sexual maturity in as little as 35 days after hatching.
life cycle:
• Throughout its life cycle, E. eugeniae grew much more rapidly than E. fetida, in similar environmental conditions.
The West-African nightcrawler grows well at a temperature of 75-85°F (24-29°C). Maximum weight (11 worms per ounce) occurs within 8-10 weeks. Optimal cocoon production is obtained when there are 150 adults per cubic foot.
• The nightcrawler (EE) has a uniform purple-grey sheen and the posterior segments are evenly tapered to a point. The segments of the brandling worm (EF) alternate reddish-orange and brown; the posterior segments do not taper, and the final segment is blunt.
Earthworm
Earthworm is the common name for the largest members of Oligochaeta in the phylum Annelida. In classical systems they were placed in the order Opisthopora, on the basis of the male pores opening posterior to the female pores, even though the internal male segments are anterior to the female...
native to tropical west Africa and now widespread in warm regions, both wild and under vermicultureand
also called as the african night crawler
growth:
• Fecundity, growth, maturation and biomass production were all significantly greater at 25°C than 15°, 20°or 30°. {25ºC = 77ºF}
• The growth of individual earthworms increased the lower the population density, but the greatest overall earthworm biomass production occurs at the highest population density.
• The greatest number of coccons per week and the number of hatchlings per cocoon are obtained at 25°C. Cocoons of E. eugeniae hatched in only 12 days at 25°C, the earthworms at these temperatures reached sexual maturity in as little as 35 days after hatching.
life cycle:
• Throughout its life cycle, E. eugeniae grew much more rapidly than E. fetida, in similar environmental conditions.
The West-African nightcrawler grows well at a temperature of 75-85°F (24-29°C). Maximum weight (11 worms per ounce) occurs within 8-10 weeks. Optimal cocoon production is obtained when there are 150 adults per cubic foot.
• The nightcrawler (EE) has a uniform purple-grey sheen and the posterior segments are evenly tapered to a point. The segments of the brandling worm (EF) alternate reddish-orange and brown; the posterior segments do not taper, and the final segment is blunt.