Value addition to livestock excreta and fish waste through vermicomposting

Abstract

The feasibility of value addition to different livestock excreta and fish waste through native earthworms was assessed in this study. Vermicomposting of livestock excreta with fish waste showed differences. The composting of goat pellet was completed in 45 days and it was 35 days for that of cow, horse and buffalo dung. Productivity ranged between 89.56% and 92.96%. Assessment of physico-chemical parameters indicated maximum levels of all the parameters estimated in the compost produced from cow–fish combination. The maximum C:N ratio recorded was 10:8 in the compost produced by goat- fish combination and that of cow – fish combination was estimated to be a minimum of 9:9.