What is Chawki?
Chawki means the first two stages of silkworm rearing. Hence, chawki is the most crucial period of silkworm rearing that demands optimum temperature and humidity, hygienic conditions, quality tender leaf, good rearing facilities and above all technical skills.
What is meant by silkworm rearing?
Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, Bombyx mori (the caterpillar of the domestic silkmoth) is the most widely used and intensively studied silkworm.
What is Chawki worms?
The young age silkworms are referred as Chawki (India), Kego (hairy silkworms in Japan) and Ants (China). Before the advent of CRCs, farmers generally used to procure silkworm eggs from government or private grainages and incubate the eggs and grow the worms in their dwelling houses or in the silkworm rearing houses.
What is shoot rearing method?
Shoot Rearing of Silkworm Rearing. In the shoot rearing method, the final three stages of rearing will be carried out by providing mulberry shoots instead of individual mulberry leaves. This method of rearing is recommended since it saves about 40 to 45% of rearing labor.
How the Chawki rearing room should be designed?
Maintaining a separate chawki room (a must for two- plot rearing system; rearing room of size 10′ x 14′ with a height of 9-10 ft for an acre of garden) ideal. Rearing house should face east-west direction. Rearing houose should have facilities to maintain the required environmental conditions.
What is the importance of sericulture?
Sericulture provides gainful employment, economic development and improvement in the quality of life to the people in rural area and therefore it plays an important role in anti poverty programme and prevents migration of rural people to urban area in search of employment.
What is sericulture Byjus?
Sericulture is the process of cultivating silkworms and extracting silk from them. Other types of silkworms (such as Eri, Muga, and Tasar) are also cultivated for the production of ‘wild silks’.
What is rearing class 7?
Ans. (i) Rearing: The process of keeping, feeding, breeding and medical care of useful animals is called rearing of animals.
What is Ant well in sericulture?
iii) Ant well: Ant wells are provided to stop ants from crawling on to trays, as ants are serious menace to silk worms. It is used for rearing early stages of silk worms and prevents withering of the chopped leaves and also help to maintain proper humidity in the rearing bed.
What is RKO powder?
Resham Keet Oushadh (RKO is a bed disinfectant which can be applied on the silkworm rearing bed to inactivate pathogenic microbes responsible for muscardine, Grasserie and nuclear polyhedrosis diseases in silkworm. It is easy to use and has no adverse effect on silkworm health, human beings and domestic animals.
What are the benefits of silkworm rearing?
Silkworm has numerous advantages as a model organism for aging research, such as abundant mutant strains, clear genetic background, less ethical issues and low rearing cost, clear boundaries between different development stages, fasting model, and open blood circulation system, etc.
What is stifling in sericulture?
Stifling treatments are applied to silk cocoons in order to kill the pupae, preventing the emergence of moths and allowing to preserve the silk during long periods of time. All of them involve the application of aggressive steps, such as sun exposure, hot steam from boiling water or hot air, during hours or even days.
