Grasserie, Flacherie and Muscardine are the major silkworm diseases in West Bengal and average crop loss ranges from 35.7-44.7% during unfavourable seasons i.e., Shravoni, Bhaduri and Aswina.rnFor successful rearing, a pathogen-free environment is very essential. It has been established that even after thorough disinfection of rearing house and appliances, there is every possibility of infection during rearing through food or other sources. In this context, sterilization of silkworm body and rearing bed is also very important, which can be achieved using bed disinfectant.
展开▼
