IGNOU BLPI 3 2026 - Describe the different methods used for late-age silkworm re

Question

Describe the different methods used for late-age silkworm rearing and explain the advantages of each method.

06 Mar 2026

Answer :

Word Count : 591

Late-age silkworm rearing refers to the management of silkworms from the fourth instar to the fifth instar stage until cocoon formation. During this period the larvae consume a large quantity of mulberry leaves and require more space, proper ventilation, and careful handling. Different methods are adopted for rearing late-age silkworms in order to maintain hygiene, reduce disease incidence, and ensure healthy cocoon production. One commonly used method is the floor rearing method. In this method, silkworms are reared directly on the floor of a well-ventilated rearing house. A thick layer of disinfected straw, bamboo mats, or plastic sheets is spread on the floor, and silkworms are placed on it. Mulberry leaves are supplied regularly and bed cleaning is done periodically. This method is suitable for farmers who rear a large

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