Question

the process of killing pupa with out changing the cocoon shell layer is known as

Answer 1

the process of killing pupa with out changing the cocoon shell layer is known as degumming process

Answer 2

Answer:

The answer is stifling.

Explanation:

Silk reeling exists the unwinding of filaments from a set of cocoons, onto a reel. Reeling cocoons are subjected to a method called stifling for killing pupae inside, without impacting the silk shell around. Stifling is accomplished by sun drying, hot air conditioning, or steam. The pupae inside the cocoon are destroyed by boiling the cocoon and exposing it to steam and dry heat. This method is called stifling.

Therefore, the procedure of killing pupa without altering the cocoon shell layer is known as stifling.

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