Question

Briefly describe the chawki rearing practices. 

21 May 2022
Answer :
Word Count : 717

Chawki rearing starts after brushing of silkworms into the rearing trays. The tiny worms which feed on the surface of the leaves should be able to reach the surface of the leaf easier and speedier. To facilitate this, we provide them chopped leaves of about 1cm2 size. Chopping of leaves also helps in loosening and spreading the bed when the bed is required to be dried which helps in killing the pathogens on the bed. As the worms grow in size, the size of the chopped leaves can be increased. Silkworms are fed three to four times a day depending on the climate. During rainy seasons with cooler climate, even two feedings would be sufficient while in hot and dry climate, the number of feedings is higher. The current general practice is three feedings per day (8.00 am, 2.00 pm and 8.00 pm). Around 20 kg of tender leaves are required for rearing 100 dfls of the first two instars of larvae and quantum varies from breed to breed depending upon the size of the worms and the fecundity. ____ __________ _________ ___ _______ ___ ____ ____.
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