Diseases of silkworm slideshare ppt
WebApr 12, 2024 · Animal silk is usually considered to exist as a solid fiber with a highly ordered structure, formed by the hierarchical assembly starting from a single silk fibroin (SF) chain. However, this study showed that silk protein molecules existed in the form of a fractal network structure in aqueous solution, rather than as a single chain. This type of network … WebIn sericulture, the silkworm rearing process begins with the laying of eggs by the female silk moth. Typically, 300-500 eggs are obtained from one female silk moth. These eggs (laid on a paper/cardboard sheet) are then disinfected with the help of a 2% formalin solution. A feeding bed is prepared on a rearing tray by sprinkling chopped mulberry ...
Diseases of silkworm slideshare ppt
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WebApr 14, 2024 · ECONOMIC IMPORTANCE OF MLBERRY SILKWORM • The mulberry silkworm moth is a very useful and valuable insect. • It provides two very important products such as silk and gut to the … WebPebrine is a chronic and disastrous disease of the silkworm was responsible for the sudden collapse of the silkworm industry of both France and Italy in 1865. Even though the fight against this disease in all the s countries is going on since more than 100 years, the disease is not yet eliminated. 4 rmulation containing 1 per cent captan (N
WebJan 16, 2024 · Name four types of silkworm used in India? Ans: 1. Mulberry Silkworm 2. Tasar Silkworm 3. Eri Silkworm 4. Muga Silkworm Q.5. Why is sericulture not eco-friendly? Ans: Sericulture is not considered an eco-friendly practice because during sericulture silk worms are boiled to get silk fibres. http://silks.csb.gov.in/coochbehar/wp-content/themes/Common_District/coochbehar/dpm-frame2.html
WebNov 7, 2024 · Silk Silk worm diseases: The silk worm is subject to number of severe diseases the most common of which is “Pebrine” Black spots appear on the body of silk worm. The infected silkworm kill off by the disease before they can spin Longitudinal view Cross Sectional view (Triangular) Properties of silk fiber: Tensile strength: Silk is strong … WebSERICULTURE DIVISION Insect Pathology and Pest Management Section Diseases of Silkworm and Control Measures I Fungal Diseases of silkworm: a. Muscardine: Causative agent: White Muscardine is caused by fungus, Beauveria bassiana.. Green Muscardine is caused by a fungus, Metarrhizium anisopliye.. Predisposing Factors: Muscardine …
WebMay 9, 2015 · Slideshare ppt Mandy Suzanne • 2.3M views ... Spinning and Mounting 65 6. Silkworm Diseases 81 7. Silkworm Pests 114 8. Economis 126 Reference Books 138 Glossary 140 CONTENTS 4. 1.1. …
WebApplied Zoology. Unit-II Introduction to Sericulture- – training and harvesting methods &Management of mulberry field, Species of silk worm Rearing of Silk worm-mounting cocoons production and harvesting of cocoons. Rearing of Silk worm-mounting cocoons, Diseases of silkworm and preventive measures, sericulture management. Pearl culture … chloramphenicol how does it workWebSilkworm Diseases and their Management 7 ” The microscopic examination of milky fluid indicates the presence of millions of polyhedral occlusion bodies. ” The larvae do not settle for moult and develop shining integument. g) Management of Disease: ” Practice disinfection and hygiene in silkworm rearing. ” A spray of 0.3% slaked lime solution in … g rated text adventureWebmuscardine diseases of silkworm. Its shelf life is 6 months and a quantity of 5-6 kgs/100 DFL’sis required for effective disinfection. It is applied by dusting on silkworm body and rearing bed. Labex - It is effective against grasserie and muscardine diseases of silkworm. Labex is a mixture of 97 parts of slaked lime and 3 part of bleaching ... grated teethWebFrom hatching to its full-grown stage, the silk worms pass through five instars and the worms up to stage two are called young age worms or chawki. As they are susceptible to infections and vulnerable to adverse weather conditions, special care is required for rearing of chawki. chloramphenicol how often to useWebApr 3, 2024 · On the other hand, silkworms demand cleanness to multiply in high numbers. Due to unhygienic conditions, silkworms can have Grasseire and Flacheire as a disease. Lastly, Formalin is used to disinfect the cocoon before starting the rearing process. Being carcinogen, Formalin can cause eye and nasal irritation. Is this page helpful? grated sweet potato hashWebView Silkworm rearing PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Silkworm rearing PowerPoint presentations. ... Cost Time Availability Mite and Disease Resistance AHB Acclimatized Bees Quality. Cost. A typical queen costs about $20 counting shipping and may cost considerably more. Time. By ... grated tableWebMuscardine is a disease of insects. It is caused by many species of entomopathogenic fungus. Many muscardines are known for affecting silkworms. [1] Muscardine may also be called calcino. [2] While studying muscardine in silkworms in the 19th century, Agostino Bassi found that the causal agent was a fungus. chloramphenicol hs code