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Nutritional Efficiency and Economic Traits in Samiaricinidonovan Reared On Castorleaves Fortified with Probiotic Agent

The silkworm larvae were fed on ricinuscommunis leaves treated with 0.5%,1%,1.5%,2%,2.5%,3% concentrations of probiotic Darolac from 3rd instar onwards and its effect on food consumption,utilization and economic traits was studied to understand the efficiency of conversions and its potentials to increase the silk yield in eri silkworm. Ricinuscommunis leaves treated with probiotics recorded maximum food assimilation,assimilation rate food conversion rate at 2% concentration while various economic parameter like weight(7.96gms/10 worms) pupal weight(4.06gms), cocoon weight(4.61)and shell weight (0.57) silk ratio % (12.17) and ERR% (95) also showed increase when compared with control treated batch.The probiotic(darolac) treatment showed the increase in parameters such as growth,development as well as commercial qualities of cocoon at 2% concentration