This document discusses rearing operations for silkworms, including disinfection, brushing, maintaining optimal temperature and humidity, care during moulting, mounting, and harvesting. It provides details on various physical and chemical disinfection methods. It also describes maintaining optimal temperature and humidity conditions for different stages of growth. Feeding schedules and quality of leaves fed to silkworms is addressed. Methods for mounting silkworms, collecting cocoons, and marketing cocoons are summarized. Metrics for evaluating cocoon quality like color, shape, size, compactness, and filament characteristics are outlined.