Why some silkworm larvae are of smaller size?
Other than disease factor, the size of some larvae could remain small due to over crowing. The silkworm larvae which are not getting sufficient feed, remain small in size. In addition to it, if correct procedure is not followed during resuming the worms after moult. Hence all the larvae in rearing bed should be resumed at a time when all are out of moult and equal quantity of leaf be fed to the worms at each location in the bed.