New bacterial culture medium for production of mosquito pathogenic bacilli using agro-poultry industrial wastes
2008
Abstract A cost-effective technology has been developed to utilise bioorganic wastes as culture media, to produce mosquitocidal biopesticides, Bacillus sphaericus and B. thuringiensis serovar israelensis. The mosquitocidal spore/crystal toxins produced from the experimental medium (chicken feather waste, CFW+paddy husk waste, PHW) was higher than that of the conventional medium (Nutrient Yeast Extract Salt Medium, NYSM). The bacterial toxins produced from different media (NYSM, CFW, PHW, CFW+PHW) were bioassayed against mosquito vectors and the toxic effect was found to be significant. The use of chicken feathers and paddy husk wastes as bacterial culture media is cost-effective and economical for the production of these mosquito pathogenic bacilli.
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