{"id":230,"date":"2013-05-01T14:08:08","date_gmt":"2013-05-01T14:08:08","guid":{"rendered":"https:\/\/silks.csb.gov.in\/aizawl\/?page_id=230"},"modified":"2023-02-14T10:06:17","modified_gmt":"2023-02-14T10:06:17","slug":"allied-sectors-occupations","status":"publish","type":"page","link":"https:\/\/silks.csb.gov.in\/bhagalpur\/allied-sectors-occupations\/","title":{"rendered":"Allied Sectors &amp; Occupations"},"content":{"rendered":"<div style=\"width:760px;height:650px;overflow:auto;margin:0px;padding: 0px 15px 0px 15px\">\n<h1 align=\"center\">Allied Sectors and Occupations<\/h1>\n<h3>Silkworm Seed\/Egg Production<\/h3>\n<h4>Mulberry Seed\/Egg Production<\/h4>\n<h5>Disinfection of grainage and implements<\/h5>\n<ul>\n<li>Bamboo made house with thatched roof and mud-plastered wall is preferable for grainage.<\/li>\n<li>Disinfect the grainage rooms and appliances prior to commencement of operation.&nbsp;<\/li>\n<li>Wash the rooms and appliances with 5% bleaching powder solution before one day.<\/li>\n<li>Dry the appliances in sun shine for 3-4 hours before one day.&nbsp;<\/li>\n<li>Disinfect the rooms and appliances with a mixture of 2% formalin, 0.5-1% lime and 0.5% detergent solutions @ 1L\/ sq.m after one day.<\/li>\n<\/ul>\n<h5>Pupal examination<br \/>\n<\/h5>\n<ul>\n<li>Separate out the melted, flimsy and good cocoons.<\/li>\n<li>Take out the gut portion and observe under microscope.&nbsp;<\/li>\n<li>Reject the lot in case there is incidence of pebrine.<\/li>\n<li>Disinfect the contaminated room before the arrival of new lots.<\/li>\n<\/ul>\n<h5>Preservation and protection of seed cocoons<\/h5>\n<ul>\n<li>Immediately after the receipt of seed cocoons, spread them on trays in a single layer to facilitate good aeration.<\/li>\n<li>Reject the seed cocoons which are melted, uzi infested, flimsy and not conforming to the characteristics of parent races.<\/li>\n<li>Preserve only the healthy seed cocoons in trays for further processing.<\/li>\n<li>Provide cross ventilation in the preservation room.<\/li>\n<li>Maintain temperature at 25 \u00b1 1\u02daC, relative humidity of 75 \u00b1 5%, 16 hour light and 8 hour dark conditions in the cocoon preservation room.&nbsp;<\/li>\n<li>Maintain complete darkness one day prior to emergence to avoid irregular emergence of moths.<\/li>\n<\/ul>\n<h5>Early eclosion\/ artificial eclosion\/ forced eclosion of moths<br \/>\n<\/h5>\n<ul>\n<li>This helps in determining the disease freeness of a batch and helps in minimizing the loss to grainage.<\/li>\n<li>For early emergence of moths, 50-60 seed cocoons are taken from individual lots and placed into an artificial eclosion box.<\/li>\n<li>Maintain the temperature at 32-33 0C with the help of thermostat. This accelerates the development of pupae and moth emerges early.<\/li>\n<li>Examine the early emerged female moths of respective lots are under microscope to know the disease freeness of lots.&nbsp;<\/li>\n<\/ul>\n<h5>Synchronization of emergence of moths, pairing, depairing and oviposition<\/h5>\n<ul>\n<li>Keep the cocoon preservation room dark before the expected day of emergence of moths.<\/li>\n<li>In case of variation in development of male or female pupae, the development of male pupae can be arrested by preserving them at 5-7 0C and 75 + 5% relative humidity for 3-4 days.<\/li>\n<li>Only healthy and active moths are taken for pairing.<\/li>\n<li>After 1-2 hours of emergence, the male and female moths of respective combination are allowed for 3.5 to 4 &nbsp;&nbsp;&nbsp;hours of pairing.&nbsp;<\/li>\n<li>At the time of depairing, the male and female moths are to be moved side way so that the moths are separated easily without causing injury to reproductive organs.&nbsp;<\/li>\n<li>The mated female moths are taken in a separate container and induced for urination.&nbsp;<\/li>\n<li>Moths are placed on egg sheet and covered with cellules and kept in semi dark condition for oviposition.&nbsp;<\/li>\n<li>Under proper preservation (5-7 0C), male moths can be used for second pairing by giving 1-2 hours rest.&nbsp;<\/li>\n<li>Throughout the process of pairing, depairing and oviposition, optimum temperature of 25 \u00b1 1 0C and relative humidity of 75 \u00b1 5% should be maintained.<\/li>\n<\/ul>\n<h5>Moth examination<\/h5>\n<ul>\n<li>Examine the mother moth either individually or in mass for pebrine disease.<\/li>\n<\/ul>\n<h5>Surface sterilization of eggs<\/h5>\n<ul>\n<li>Dip the egg sheets in 2% formalin for 10-15 minutes. This helps in removal of pathogens adhering to the egg shell and further prevents secondary contamination.<\/li>\n<li>Wash the eggs in formalin solution. It helps in firm adherence of eggs to the sheet.<\/li>\n<\/ul>\n<h5>Incubation eggs<\/h5>\n<ul>\n<li>Maintain temperature of 25 \u00b1 1\u02daC, relative humidity of 75 \u00b1 5%, 16 hours of light and 8 hours darkness.<\/li>\n<li>During the pinhead stage or before two days of hatching, maintain total darkness for uniform development of embryo and hatching of larvae at a time on a single day.\n<\/li>\n<\/ul>\n<h5>Source<\/h5>\n<p>Directory of Sericulture Technology 2008, Karnataka State Sericulture Research and Development Institute, Bangalore- 5 60 062.<\/p>\n<h1 align=\"center\">&nbsp;Eri Seed\/Egg Production<\/h1>\n<h5>Seed cocoon  selection<\/h5>\n<h6 align=\"center\"><img decoding=\"async\" src=\"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-content\/themes\/Common_District\/bhagalpur\/images\/18eri.jpg\" \/>&nbsp;&nbsp;<img decoding=\"async\" src=\"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-content\/themes\/Common_District\/bhagalpur\/images\/18eri2.jpg\" \/><\/h6>\n<ul>\n<li>Select  cocoons based on physical characteristics e.g. compactness, shape, size and  number of cocoon per kg (not more than 350 cocoons\/kg). <\/li>\n<\/ul>\n<h5><strong>Disinfection of grainage room<\/strong><\/h5>\n<ul>\n<li>Wash  the grainage room and appliances with 5% bleaching powder solution, 3 days  before consignment of seed cocoons.<\/li>\n<li>Same  disinfection procedure should be adopted after completion of grainage.<\/li>\n<li> In the event of pebrine incidence  during grainage, fumigate with 5% formaldehyde solution under high humid  condition with the appliances inside.<\/li>\n<li>Open  the room after 24 hours.<\/li>\n<h5><strong>Transportation  of seed cocoon<\/strong><\/h5>\n<ul>\n<li>Transport the cocoons in plastic trays during early morning  or in the evening hours to avoid direct exposure to sunlight.<\/li>\n<\/ul>\n<h5><strong>Storage of seed cocoon<\/strong><\/h5>\n<ul>\n<li>Seed cocoons are stored in single layers @ 500 cocoons per  tray (size 3ft x 2ft) arranged in racks. <\/li>\n<\/ul>\n<h6 align=\"center\"><img decoding=\"async\" src=\"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-content\/themes\/Common_District\/bhagalpur\/images\/18eri3.jpg\" \/>&nbsp;&nbsp;<img decoding=\"async\" src=\"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-content\/themes\/Common_District\/bhagalpur\/images\/18eri4.jpg\" \/><\/h6>\n<h5><strong>Emergence  of moths and sorting of couplings<\/strong><strong>:<\/strong><\/h5>\n<ul>\n<li>Moth emergence occurs after 17-18 days  of spinning in summer and 30 t0 35 days in winter. <\/li>\n<li>Moth emergence takes place in the evening hours  as well as in the morning hours.&nbsp; <\/li>\n<li>Collect  the emerged moths in moth cage approximately in the ratio of male : <br \/>\nfemale at  60 : 40. The paired moths are allowed to couple for 6 hrs.<\/li>\n<li>Decouple  the moths and allow the female moths to lay eggs on kharika\/pouch.<strong><u> <\/u><\/strong><\/li>\n<\/ul>\n<h5><strong>Moth Examination <\/strong><\/h5>\n<ul>\n<li>Conduct microscopic examination of mother moths on 3rd  day for basic and 0n 4th day for commercial seed following Fujiwara  technique. <\/li>\n<\/ul>\n<h6 align=\"center\"><img decoding=\"async\" src=\"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-content\/themes\/Common_District\/bhagalpur\/images\/18eri5.jpg\" \/><\/h6>\n<h5>Harvesting of eggs<\/h5>\n<ul>\n<li>Collect all the disease free layings alongwith the kharika  in a tray for harvesting. Transfer the harvested eggs to a piece of nylon net  for washing. <\/li>\n<\/ul>\n<h5><strong>Degumming and surface  sterilization of eggs<\/strong><\/h5>\n<ul>\n<li>Dip the eggs in 0.2% bleaching  solution for 5 minutes.<\/li>\n<li>Wash  the eggs with fresh water and soap and finally with fresh water. <\/li>\n<li>Spread the sterilized eggs on a blotting paper  for drying in the shade. <\/li>\n<li>Weigh  the dried eggs and pack in specially designed egg boxes for supply. <\/li>\n<\/ul>\n<h5><strong>Source:<\/strong><\/h5>\n<p>Eri Silkworm Seed  Production Centre, Azara, Guwahati<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Allied Sectors and Occupations Silkworm Seed\/Egg Production Mulberry Seed\/Egg Production Disinfection of grainage and implements Bamboo made house with thatched roof and mud-plastered wall is preferable for grainage. Disinfect the grainage rooms and appliances prior to commencement of operation.&nbsp; Wash the rooms and appliances with 5% bleaching powder solution before one day. Dry the appliances [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_links_to":"","_links_to_target":""},"_links":{"self":[{"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/pages\/230"}],"collection":[{"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/comments?post=230"}],"version-history":[{"count":42,"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/pages\/230\/revisions"}],"predecessor-version":[{"id":692,"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/pages\/230\/revisions\/692"}],"wp:attachment":[{"href":"https:\/\/silks.csb.gov.in\/bhagalpur\/wp-json\/wp\/v2\/media?parent=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}