12/26/2023 0 Comments Download red wiggler eggsThe change in biomass of clitellate specimens as well as their consecutively produced cocoons were monitored at different moisture levels. Growth studies of newly hatched worms at various moisture levels over a period of 90 days showed that growth rate and final biomass were influenced by moisture availability with a very low rate of growth at low as well as at high moisture levels. The clitellate worms showed a wider preference range than the juveniles but deposited most of their cocoons within the narrow range of 65%–70% moisture - a moisture range preferred by 80% of the juveniles. The moisture preferences of juveniles as well as adults of this species were determined in moisture towers containing cow manure with a particle size bigger than 500 and smaller than 1000 μm and an organic matter content of 54%. Although moisture requirements of Eisenia fetida are considered to be generally known, very few in-depth studies have been performed.
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