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Silkworm Seed Technology
1.1 A general account of silkworm seed, grainages production and demand trends
1.2 Seed organization: 1.2.1 Significance of seed organization, maintenance of parental stock and its multiplication. :
1.2.2 Identification of areas of seed rearers, seed legislation act- rules and regulations.
1.2.3. Monitoring of seed crops: 220.127.116.11 Screening of egg shells, larvae and faecal matter for diseases. 18.104.22.168 Maintenance of hygienic conditions during rearing.
1.3 Disinfection in the seed production units.
1.4. Role of temperature, humidity, Light and air in Cocoon preservation and oviposition.
1.5 Brief account of seed production centres (SPC): 1.5.1 Organization and function of seed production centers. 1.5.2 Plan of Model Grainage inclusive of cold storage facilities. 1.5.3 Infrastructure for SPC requirement of each room, equipments and their
1.6 Procurement, transportation, processing and preservation of seed cocoon. 1.6.1 Sex separation in seed production. 1.6.2 Importance of synchronization emergence.
1.7 Pairing of moth: 1.7.1 Rejection of weak and deformed moths. 1.7.2 Duration and isolation of pairing and effect of delayed pairing. 1.7.3 Potency and reuse of male moths.
2.1 Mother moth examination: 2.1.1. Individual, sampling and mass methods of examination. 2.1.2 Green and dry moth examination. 2.1.3 Advantages and disadvantages of various methods.
2.2. General account of handling and preservation of multivoltine eggs.
2.3 Handling of bivoltine eggs for early hatching: 2.3.1 Physical and chemical methods. 2.3.2 Hot and cold acid treatments-advantages and disadvantages. 2.3.3 Relationship between temperature and specific gravity of acid. 2.3.4 Ideal age of eggs for
2.4. Grainage Management: 2.4.1 Staff and labour requirement, grainage equipment and their maintenance.
2.4.2 Monitoring and supervision-rapport with seed cocoon growers, arrangement for seed, cocoon procurement and its maintenance.
2.4.3 Planning for seed cocoon production-programme of brushing, synchronized brushing of races in villages.
2.5. Economics of seed production: 2.5.1 Cost of seed cocoon, cold storing of eggs, depreciation cost on the equipment, interest on capital for purchase of seed cocoon, cost of chemicals, equipments, egg, sheets, stationery furniture and miscellaneous c
2.5.2 Maintenance of records and protective measure of seed production.
3.1 Introduction to textile fibers
3.2 Physical and chemical properties of silk and uses of silk.
3.3 Raw materials for silk reeling
3.3.1 Factors affecting the production of silk yarn.
3.3.3 Assessment of renditta.
3.4 Processing of cocoons: 3.4.1. Stifling-conventional and modern -techniques, steam stifling, hot air dryer, batch types and conveyor types-their advantages and disadvantages.
3.4.2 Sorting of defective cocoons, methods of storing and preservation of stifled cocoons.
3.4.3 Various methods of cocoon boiling- open-pan, three pan and pressurized cocoon boiling methods.
3.4.4 Cocoon brushing-hand brushing and mechanica1 brushing.
4.1 Reeling 4.1.1. Objectives study of yarn passages, raw silk yarn, . 4.1.3. Objectives and importance of re-reeling. 4.1.4 Skein formation and finishin
4.2 Brief description of each machine from technological view: 4.2.1 Stifling-steam stifling, hot air dryer- batch type and conveyer type.
4.2.2 Boiling-open pan, three pan and pressurized cocoon boiling.
4.2.3 Reeling-conventional charaka, improved charaka, automatic or semi. Automatic silk reeling machines.
4.3 Quality of water required for reeling: 4.3.1. Effects of water quality in silk reeling.
4.4. Cocoon and raw silk testing and grading: 4.4.1 Cocoon testing Methods. 4.4.2 Different tests for raw silk quality measurement, methods of testing. 4.4.3 Internationa1 and ISA standard of grading for raw silk.
5.1 Silk throwing and weaving: 5.1.1. Introduction and objectives of silk throwing, preparation for twisting, soaking, dressing, drying, winding and doubling. 5.1.2 Preparation for silk weaving: Warping, beaming, drawing and denting. 5.1.3 Study of po
5.2 Different types of fibers arid their uses: 5.2.1 Fabric defects and grading of silk fibers and uses. 5.2.2 Introduction and objectives of degumming, bleaching, dyeing and printing of silk yarns and fabrics. 5.2.3 Introduction to different class
5.2.4 Uses of reeling wastes in spun silk industry.
Discipline Specific Course
Silkworm Seed Technology
Silkworm Seed and Silk Technology USETE-501
Gurvinder Raj Verma