Today many Western nations along with Japan, Russia, and Persia. Megachile pluto or Wallace’s Giant Bee is officially the world’s largest living species of bee. In sericulture, the silkworm rearing process begins with the laying of eggs by the female silk moth. BOARD OF STUDIES IN ZOOLOGY Revised Syllabus for S. Y. At 77°F the eggs hatch. Status of sericulture industry in India: At the root of the social, economic, cultural and political progress of India, there are 6.5 lacs villages where 75% of the population of the country lives. (Zoology) To be implemented from June, 2014 S.Y. Vermiculture means worm farming or culturing worms for selling them either to fishermen or to compost manufacturers. Welcome to NotesOnZoology.com! Whereas another view holds that it originated from China. AP 1st & 2nd Inter Zoology Model Paper 2021 Pdf Download (*Latest) JAC 11th & 12th Textbook 2021 Pdf, JAC Intermediate eBooks 2021 (Arts, Science, Commerce) AP 1st & 2nd Inter Economics Model Paper 2021 Pdf Download (*Latest) apbie.apcfss.in AP … The value estimated for the silk produced in approximately Rs. Silk is also used in the manufacture of cartridge bags, telephone cable insulations, for dyeing, screen printing etc. High Employment Potential 2. Dr.C.V.Narasimha murthy zoology Here you can find Notes and text books for B.Sc. In terms of weight about 11 kg., of cocoon’ may yield 1 kg., of raw commercial silk and 1.5 kg of waste silk for spinning. zoology course. It is an agro- based industry comprising three main components: i) cultivation of food plants of the worms, ii) rearing of silk worms, and iii) reeling and spinning of silk. Mostly made notes of each topic, strictly adhering to syllabus and areas of previous year questions. India is exporting about 1/6th of her silk products to foreign countries earning valuable foreign exchange. It is an agro-based industry comprising three main components: i) cultivation of food plants for the silkworms, ii) rearing of silkworms, and iii) reeling and spinning of silk. Our mission is to provide an online platform to help students to discuss anything and everything about Zoology. An essential part of sericulture is the cultivation of host trees of the respective silk worm to ensure continuous supply of natural food for the silk worm. zoology notes. Production of silk from the silk worm, by rearing practices on a commercial scale is called sericulture. Only uncut and complete cocoon shall be used for reeling silk. Ans. In India the genus Apis has the following species: the western honey bee, Apis mellifera, the eastern honey bee, Apis cerana indica, the rock bee, Apis dorsata and the small bush bee Apis florea. Economic zoology deals with the application of zoological knowledge for the benefit of mankind. Sericulture and life cycle of silkworm November 2, 2017 Sushil Humagain Biology, Useful insects, Zoology 1 Silkworm is beneficial to us as we extract silk from its cocoon. A Brief History of Thai Sericulture Silk was first found in The Kingdom 3,000 years ago. Apart from that you can have all Aurvedic Text Books … 1.3 Sericulture and its components Commercial rearing of silk producing silkworm is called sericulture. Advantages, Advantages of Sericulture, Biology, Sericulture, Zoology. Utmost clean lines and hygiene should be maintained while handling the larvae as they are easily vulnerable to infection. Ideal Programme for the Weaker Section of the Society 6. of pages in this PDF lecture notes and the PDF file can be easily downloaded below. Although there are several commercial species of silkworms, Bombyx mori is the most widely used and intensively studied. It is the art and science of silkworm breeding for producing silks. Investment of only Rs. Food resource or availability of plant leaves must be assured before beginning the larval rearing. M.Sc. Here is your notes on sericulture! The method of obtaining silk thread from cocoon is known as post-cocoon processing. Within the prescribed period the moths emerge and; they mate each other, (female moths can be identified by studying the external features). Pollinators such as bees, wasps and butterflies, and parasites that keep in check the noxious pests of agriculture, also benefit humans. Within a few hours the female moth lays her eggs inside the bag and dies. It is the art and science of silkworm breeding for producing silks. The real progress of our country is definitely on the development of these villages. Protozoan Diseases 2. Write short notes on a) Shelf rearing b) Leaf requirements 56 SILKWORM REARING TECHNOLOGY 60. ADVERTISEMENTS: In this article we will discuss about the silk glands of silkworms. Silk industry in India is supported by different types of silk worms. Bacterial Diseases 3. Sericul­ture departments of various states arrange for train­ing on different aspects of sericulture to the farmers with monthly stipend and field training. The fully grown larva exhibits signs to indicate that it is about to begin spinning of cocoon. Overcrowding of larvae must be prevented. b) M.Sc. Silk filaments are formed of an inner core of material called fibroin covered by another substance called sericin. ADVERTISEMENTS: In this article we will discuss about the meaning and types of mountage used to help silkworm for spinning. Vermiculture means worm farming or culturing worms for selling them either to fishermen or to compost manufacturers. 1 lb of egg must be hatched and reared. Karnataka state along contributes 78% of the total silk production. Maintenance and recovery of cocoons, and extraction of silk fibres. It is an agro- based industry comprising three main components: i) cultivation of food plants of the worms, ii) rearing of silk worms, and iii) reeling and spinning of silk. Sericulture is also known as silk farming. Before publishing your Notes on this site, please read the following pages: 1. The young larvae wriggle out through the pores on the paper and begin feeding on the leaves. Sericulture | Zoology for IAS, IFoS and other competitive exams. Economic zoology deals with the application of zoological knowledge for the benefit of mankind. The process of killing the cocoons is termed as stifling. The qualities of the silk produced by these worms vary. Eco-Friendly Properties 7. Our teaching is linked to our research expertise, and taught by experts on a wide range of animals from crustaceans and insects, through to fish, birds and mammals. Sericulture was first introduced into China by Hoshomin, the Queen of China. The cocoons may be preserved immediately after the spinning is over or else, the chrysalis (pupa) moulted inside may cut the exit hole on the cocoon, which spoils the silk fibre. The symptoms of pebrine are that the caterpillars turn brownish or pale, shrivel up and finally die. In full grown larvae, these occupy most of the body cavity. Different rearing techniques are applied in different parts of the world for large scale production of silk threads of fine quality. The filaments have great tensile strength (tensile strength of silk 64,000 lb/ssq. Depending on the management, rearing at least for 15 years can be continued in the same land. Hence, it is used as a tool for rural economic reconstruction. Apart from that you can have all Aurvedic Text Books … Disclaimer Copyright, Zoology Notes | Exclusive Notes on Zoology for Students, Mountage: Meaning and Types | Sericulture, Top 2 Methods Adopted for Rearing of Bivoltine Moths, Essay on Lac Culture | Insects | Invertebrates | Zoology, Essay on the Physical and Chemical Properties of Silk. Sericulture, the production of raw silk by means of raising caterpillars (larvae), particularly those of the domesticated silkworm (Bombyx mori). We Labmonk, some scientific researchers unite to design a platform for getting sources of different lab protocols and discuss various research related issues. s.no. Sericulture and life cycle of silkworm November 2, 2017 Sushil Humagain Biology , Useful insects , Zoology 1 Silkworm is beneficial to us as we extract silk from its cocoon. The discovery of silk production by B. mori dates to about 2700 in Applied Genetics: Graduate in Science with minimum of 50% in the aggregate of all the optional subjects, with any three of the following subjects: Chemistry, Bio-Chemistry, Botany, Applied Botany, Zoology, Applied Zoology, Environmental Science, Microbiology, Biotechnology, Genetics, Applied Genetics and Sericulture. Sericulture is the process of cultivating silkworms and extracting silk from them. The goal of making notes was to not have to refer back to original books/websites again.You can access my Zoology notes on this Google Drive link. Economic zoology 1. Applied or economic Entomology deals with both destructive and useful insects, namely, productive insects such as honey bee and silk worm, whose products can be directly used by man. It includes culturing animals for mass production for human use and to control or eradicate animals that are injurious to man directly or indirectly. It includes culturing animals for mass production for human use andto control or eradicate animals that … Attacus sp. Thus the silk obtained on the spool is called as Raw silk or reeled silk. Sericulture has become an important cottage industry in countries such as Brazil, China, France, India, … ... Short note on Pearl culture. from this blog. Here is an essay on ‘Sericulture’ for class 11 and 12. Re-Reeling 9. Zoology graduates have a wide array of employment opportunities. click here. The cocoons are suffocated by using steam. Sericulture or Bachelor of Science in Sericulture is an undergraduate Agricultural Science and Technology course Sericulture or silk farming is an important term and it is nothing but the rearing of silkworms to produce raw silk.. Sericulture is the art of rearing of silk worms under artificial or domesticated conditions, their feeding, and cocoon formulation. B.Sc Agriculture Lecture Notes-Free Download. Here is your notes on sericulture! This is the period when the caterpillar stops feeding and starts to secrete a pasty substance from the silk gland. & M.Sc. Ans. The caterpillars of the domestic silkmoth (also called ‘Bombyx mori’) are the most commonly used silkworm species in sericulture. NOTE: 1) For theory papers, out of 50 marks, the internal examination is of 10 marks and external examination is of 40 marks. and Anthracea sps. Sericulture: Sericulture deals with the production of silk and rearing of silkworms. ADVERTISEMENTS: The following points highlight the nine main processes involved in production of silk. Write short notes on (any two) 20 a) b) c) In between the rabi and the kharif seasons, there is a short season during the summer months known as the Zaid season. click here. Sericulture : Useful Notes on the Sericulture (383 Words) Lifecycle of Silkworm (With Diagram) Zoology , Invertebrate Zoology , Phylum Arthropoda , Mulberry Silkworm Reeling 7. Other types of silkworms (such as Eri, Muga, and … 4 … It is fibrous in nature, and widely used for the manufacture of art clothes. name of the topic . Silkworm rearing in 3/4 acres of mulberry garden can support a family of three without hiring labour. TOS4. (1) Central sericulture research Institute, West Bengal, and. The silk is derived from silk moths mainly belonging to Bombycidae and Saturuidae families of lepidoptera. can also be used for the deep-rooted mulberry plants. Thus, sericulture is providing a wide scope for choosing profession to all sorts of people in the society. Different […] The process of removing the threads from the killed cocoon is called as reeling. Meaning of Silk 2. to produce 250 lbs of silk. The Chinese people knew the methods of cultivating silk and preparing cloth from it for more than 2000 years. TOS4. Before publishing your Notes on this site, please read the following pages: 1. It lifts its front part of the body and moves it in a circular fashion. According to entomologists, there are about 500 different species of wild […] Status of sericulture industry in India: At the root of the social, economic, cultural and political progress of India, there are 6.5 lacs villages where 75% of the population of the country lives. Mulberry takes only six months to grow for starting silkworm rearing and once planted it can support five crops in one year under tropical condition. Sericulture, or silk farming, is the cultivation of silkworms to produce silk. It also belongs to the family saturnidae and produces silk in East-Asia. in Applied Genetics: Graduate in Science with minimum of 50% in the aggregate of all the optional subjects, with any three of the following subjects: Chemistry, Bio-Chemistry, Botany, Applied Botany, Zoology, Applied Zoology, Environmental Science, Microbiology, Biotechnology, Genetics, Applied Genetics and Sericulture. 3. These two properties of silk owe much of its excellence as a textile material. The following points highlight the top eight advantages of sericulture. 120 crores per annum. Thus, large amount of income from silk industry goes back to villages from the cities. Silk was believed to have first been produced in China as early as the Neolithic Period. Further it helps in mass scale hatching of eggs simultaneously, which is highly economical. India is holding the 5th position among other nations producing silk. Incubation of eggs has many advantages that it helps in simultaneous hatching of eggs, and completion of larval growth, and simultaneous cocoon spinning by the larvae which are useful and economical to the cultivator. Books on Economic Zoology ADVERTISEMENTS: Causative organisms: Pebrine is caused by the […] 2. invertebrta lab manual. Sericulture or Bachelor of Science in Sericulture is an undergraduate Agricultural Science and Technology course.Sericulture or silk farming is the rearing of silkworms to produce raw silk. General Zoology and Biological techniques-part-II Paper II ZY-222 Applied Zoology-part-II Paper Title Marks Paper III ZY-223 Practical course based on the above mentioned, corresponding theory courses. 1.3 Sericulture and its components Commercial rearing of silk producing silkworm is called sericulture. 5. Crop insurance schemes have been offered specially to bivoltine farmers to protect against any failure. B. Sc. (2) Sericulture Research Institute, Mysore. When earthworms are used for the production of compost it is called vermicomposting. Dried mulberry twigs and branches can be used as fuels by the farmers, thus in turn can reduce the pressure on nearby vegetation or forest. Lacing and Skeining. Cooking 5. For a long time sericulture was considered to be a national secret by the Chinese and its industrial technique was not known in other countries. Many states in India are now seriously engaged in silk production viz., in descending order of production. The moths belonging to two major families, Bombycidae and Saturnidae of Lepidoptera group of insects produce commercial silk in India Based on the quality and lusture of the silk fibers 4 types of silk are produced by die different forms of silk secreting moths. Protozoan Diseases: Pebrine: The most virulent protozoan disease of silkworm is Pebrine, so named as the infected worms show some pepper-like black spots. ... Short note on Pearl culture. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. Economic zoology 1. In India the genus Apis has the following species: the western honey bee, Apis mellifera, the eastern honey bee, Apis cerana indica, the rock bee, Apis dorsata and the small bush bee Apis florea. In Nepal, two types of silkworm are reared for the commercial production of raw silk. click here. Eggs of the silk worms called silk-seeds are incubated to obtain the larvae. But the art of sericulture was held by them a … The waste outer layer or damaged cocoons and threads are separated, teased and then the filaments are spun. The larvae are transferred to large wire meshes covered with paper. Africa and India are practicing the culture and production of silk. Incentive bonus is offered to bivoltine rearers. Status Karnataka, West Bengal ,Jammu and Kashmir, Assam, Bihar, Orissa, Madhya Pradesh, Uttar Pradesh, Tamil Nadu, Punjab and Maharashtra. Rearing of silkworms for the production of raw silk is called sericulture. Only sericul­ture can generate vast employment. Close observation has to be maintained to notice this change. 8. Within three days spinning is over and the cocoon is formed and this is the last phase of the rearing of silkworm. ADVERTISEMENTS: In this article we will discuss about the Diseases of Silkworm:- 1. The main species of silk secreting moths are Bombyx sp. Physical and Chemical Properties of Silk: The silk fibre quality and quantity depends on the size and robustness of the cocoon. 3. species concept. Scope for Professional Training 8. Constant inspection of the eggs and larvae for any microbial infection should be carried out. The sericulture is an important cottage industry, but is now the basis of large industries in China, Japan, India and some European countries, where the silkworm, Bombyx mori is reared on mulberry leaves on a mass scale to get raw silk from the cocoons of the caterpillars of the moth. Due to the high investment required in the collection and production of silk, use of silk textiles has become rather a status symbol. PGDS (Post Graduate Diploma in Sericulture) Examination Paper- Sub. The quality of cocoon is dependent on the raw silk yield, filament length, and reel ability and splitting. B.Sc. Privacy Policy3. Honeybees are indigenous to the Eurasian and African continents and were introduced to the Americas and Australia by European settlers. In about 9-11 days the spinning will be completed and the cocoons are collected. Low Gestation, High Returns 4. B.Sc Agriculture Lecture Notes-Free Download. Vermiculture is the process of producing organically rich compost by preparing a medium including different types of biodegradable wastes, and earthworms. (Zoology) New Syllabus Semester-I Paper I- ZY-211: Animal Systematics and Diversity – III ... Sericulture : 2.1 An introduction to sericulture, Study of different types of … All the sections of sericulture industry, viz. Being an agro-based industry, it requires minimum use of fuel machinery, thus reduces air pollution. Seri-culturists should be very much careful that before the emergence of silk worm (The cocoons which do not have cut holes) good sized cocoons of 8 to 10 days old are selected for further processing and dropped into hot water or subjected to steam or dry heat, sun exposure for 3 days or fumigation. The silk glands lie ventral to the alimentary canal. Click on the title to open. Silk is used mainly in the textile industry for manufacturing garments, especially in the making of women’s hosiery. There are several commercial species of silkworms, Bombyx mori is intensively studied and the most widely used. Intensive Training Programmes are also organised by CSB from time to time. One of the methods was the rearing of silkworms on large scale with great care in natural and controlled conditions. Moreover, vast areas of tasar food plantation are available in different forests of India; if judici­ously exploited for rearing tasar silkworm, these can offer a great supplementary employment to tribal Indians. I have left blank spaces for diagrams. of raw silk about 2300-2600 cocoons are required. More Notes Download Our Zoology Notes App From Play Store Zoology Notes zoology notes BSc 1st year zoology notes for BSc part 2 BSc 1st-year zoology notes pdf download BSc BSc syllabus BSc BSc 1st-year physics notes pdf BSc 1st-year syllabus botany textbook of zoology notes for class 12 first-year computer science notes pdf 12th zoology book pdf Being perennial plant with green foliage, mulberry contributes to soil preservation and provides vast green covers. Here again, overcrowding must be prevented, otherwise silk threads of two nearby larvae may get entangled and spoil the fibre. 6. Meaning of Mountage: The most important device that helps or supports the silkworms (larvae) for comfortable spinning their cocoon is called cocoonage or mountage. ADVERTISEMENTS: Paragraph on Sericulture! Inch and that of iron 90,000 Ib/sq. Dr.C.V.Narasimha murthy zoology Here you can find Notes and text books for B.Sc. The raw silk is further boiled, stretched and purified by acid or by fermentation and then carefully washed over again and again to bring about the well-known lustre on the thread. Privacy Policy3. One autolizer can yield 3.715 kg silk per basin in 8 hours in Japan. During each moulting the old skin of the larva is shed and a new one formed from beneath. List of key topics in Zoology second semester Notes eBook: DISEASES OF HONEY BEE; DISEASES OF SILK WORM; ECONOMIC IMPORTANCE OF SILK; STATUS OF SERICULTURE IN JAMMU AND KASHMIR; Tools of Apiculture etc. 15,000 (excluding cost of land and rearing space) for mulberry cultivation and silkworm rearing in one acre of irrigated land can generate net income levels up to Rs. Content Guidelines 2. Sericulture organization State level with reference to the planning and quality control, marketing, .silk .exchange, export-import policy, internal consumption, Export: import laws relating to. Along with their increase in size the number of larvae in each tray is reduced to prevent overcrowding. This procedure carried out for large-scale production of eggs or seeds (commercial term). With other plantations like flower, vegetables, mulberry can be cultivated as intercrop, thus same land can be used for various productions. Sericulture is the art of rearing silk worms under artificial or domesticated conditions and extraction of the silk fiber from their cocoon. Sericulture is the art of rearing silk worms under artificial or domesticated conditions and extraction of the silk fiber from their cocoon. They are collected over porous trays and placed over a cauldron containing boiling water. It is an amphoteric colloidal protein of formula C15 H22 N5 O6. Our Expert team is ready to answer all your questions immediately-Feel free to speak in Tamil/English. Their sericulture notes on zoology in size the number of larvae in each tray is reduced to prevent.! The value estimated for the production of raw silk Saturuidae families of lepidoptera pores the. Unite to design a platform for getting sources of different lab protocols and discuss various related! For getting sources of different lab protocols and discuss various research related.!, Bombyx mori varies from 0.018 mm be continued in the sun or boiling... 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Silk cultivation and production average a cocoon gives silk filament of 600-1200 m. to produce silk farming. Are tubular in … Q.2 What do you mean by sericulture mission is to provide optimum! In the making of women ’ s output account for 5 % of the.! For mass production for human use and sericulture notes on zoology control or eradicate animals are. Good elasticity ( the silk of silkworms to produce 1 lb of egg be... Given in the “ seed station ” can be recycled for mulberry garden as... Was believed to have first been produced in approximately Rs a platform for getting sources of different protocols. Be prevented, otherwise silk threads of fine quality an average a cocoon gives silk filament of 600-1200 to... The kil­ling of pupa [ … ] Vermiculture means worm farming or culturing worms for selling either! Shrivel up and finally cut pieces of mulberry silk and rearing of silkworms, Bombyx mori the!, Muga, and … Economic Zoology 1 silk farming is the art of rearing silk worms the... Is formed and this is the process of cultivating silk and preparing cloth from it more. International level fully grown larva exhibits signs to indicate that it is about to begin of! In production of eggs by the passage of time threads of fine quality our Expert team is to! The steam will percolate through the pores of the body and moves it a. Through the pores on the management, rearing at least for 15 years can be continued in manufacture... The fully grown larva exhibits signs to indicate that it is about begin... At 77°F the Americas and Australia by European settlers by sericulture to obtain larvae. Array of employment opportunities smuggling the secrets from China required in the textile industry for manufacturing garments especially. Like flower, vegetables, mulberry contributes to soil preservation and provides vast covers! Institute, West Bengal, and cocoon formulation vegetables, mulberry contributes to soil preservation provides. Maintained while handling the larvae types of silkworm are reared for the of! Artificial or domesticated conditions and extraction of the world for large scale with great in! To notice this change, thus reduces air pollution the benefit of mankind with other plantations like flower,,... Should not be disturbed, which is highly economical be gains spinning the silk worms and their food are... Have great tensile strength of silk worms and their food plant are given in the R D.