Mulberry Silkworm Rearing
(CPT-123) (2+1)
Dr. Shabir Ahmad Bhat
Assistant Professor (SS)
COTS Mirgund
Dr. Firdose Ahmad Malik
Assistant Professor
COTS Mirgund
Topic 1 - Biology of mulberry silkworm, popular bivoltine and polyvoltine breeds
Life cycle and various developmental stages of silkworm, Bombyx mori L.
Classification of silkworms based on voltinism.
Topic 2- Rearing House, appliance, disinfection and its importance
Rearing house and rearing appliances.
Hygrothermic conditions, their role in growth and development of silk worms.
Disinfection, methods and its importance.
Topic 3- Incubation of silkworm eggs, black boxing and brushing
Incubation of silkworm eggs.
Black boxing and its importance.
Brushing, types of brushing, their advantages and disadvantages.
Topic 4 - Silkworm rearing -young and late age rearing, environmental conditions, leaf selection, frequency, quantum of feeding, spacing and bed cleaning
Young age (chawki) silkworm rearing, care and requirement.
Late age silkworm rearing, care and requirement.
Environmental and nutritional requirements.
Importance of spacing and bed cleaning.
Topic 5 - Moulting, identification of mature worms and care during moulting
Moulting process and significance
Identification of moulting larvae and care during moulting.
Role of environmental condition and hormones during moulting.
Topic 6 - Mounting, identification of mature worms and mountages
Maturation of worms and their symptoms and behavior.
Identification of matured worms.
Mountages, types and their advantages and disadvantage.
Topic 7 - Cocoon harvesting, sorting, assessment of cocoon quality
Harvesting and deflossing.
Cocoon sorting and assessment.
Cocoon quality and role of environment condition on quality papameters.
Topic 8 - Nutritional requirement and their role in silkworm growth, development and silk production. Nutrient deficiency and its impact on silkworm biology, Nutrient supplementation
Nutrition and nutritional requirements.
Mulberry leaf and its importance in growth and development of silkworms.
Nutrient deficiency and its impact.
Feed utilization and conversion efficiency.
Leaf cocoon ratio
Topic 9 - Artificial diet, composition and its types
Artificial diet and types of diet.
Composition of artificial diet.
Preparation and importance.