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  • Leaf harvesting
  • Silkworm rearing
  • Silkworm rearing
  • Mulberry field demonstration
  • Rearing house
  • 5th instar larvae feeding by sliced food
  • Artificial diet rearing
  • Artificial diet rearing
  • Artificial diet rearing
  • Mulberry cuttings rooting installation
  • Vratza 1 mulberry variety
  • Cocoon buying from farmers
  • Cocoon buying from farmers
  • Cocoon buying from farmers
  • Cocoon buying from farmers
  • Cocoon buying from farmers
  • Silk yarn
  • Silk yarn
  • Silk yarn
  • Silk garment
  • Silkworm egg boxes
  • Mulberry plantation
  • Single cocoon silk reeling test
  • Mechanical lines for last instars silkworm rearing
  • Mechanized cocoon deflossing
  • International workshop
  • Mother moth inspection
  • Pebrine micrioscope examination
  • Training
  • Silkworm rearing method
  • Bulgarian pierced cocoons
  • Sex limited for cocoon color silkworm strain
  • Mulberry plantation
  • Silkworm rearing
  • Silkworm rearing
  • Silkworm rearing
  • Sex limited for cocoon color strains papionage
  • Papionage
  • Mulberry nursery
  • Mulberry nursery
  • Mulberry nursery
  • Silk knitting
  • Mulberry plantation
  • Silk knitting
  • The filature
  • Silkworm egg preservation
  • Cocoon storage on shelve
  • Dry cocoon storage
  • Silkworm egg laying under plastic cones
  • Cocoon assorting
  • Cocoon drier
  • Participation in agricultural exhibitions
  • Participation in agricultural exhibitions
  • Mulberry plantation
  • Rooted mulberry cuttings
  • Mounting
  • Mulberry winter pruning for cuttings collection
  • Mulberry plantation
  • Mulberry leaf powder
  • SES Vratza administrative building
  • Silk yarn dyeing

SES – Vratza briefly

Briefly the main characteristics of SES – Vratza are:

  • Makes research in all the major fields of sericulture, such as moriculture, silkworm breeding/egg production, rearing technology, cocoon processing;
  • Conducts training in all major fields of sericulture, including PhD courses;
  • Preserves the biggest sericulture germplasm in Europe, containing:
  • 140 mulberry varieties;
  • 260 silkworm strains;
  • Produces high quality P1 and F1 silkworm eggs, available for sale throughout the year even in comparatively very small quantities;
  • Produces mulberry saplings of highly productive varieties;
  • Produces 100 % mulberry leaf powder;
  • Produces mulberry tea;
  • Produces silkworm artificial diet (chow/food) for larval rearing all the year round;
  • Produces perforated paper for bed cleaning and cardboard frame mountages, ensuring spinning of more than 90 % first grade cocoons;
  • Has a completely closed circle of production, starting from the research through production of mulberry sapling, silkworm eggs, dry cocoons, raw silk, silk yarn and silk garment.
  • May demonstrate/train at one same place all the sericulture industry activities including: moriculture, silkworm breeding and egg production, rearing technology, cocoon drying, storage and assorting, silk reeling, twisting, degumming, dyeing, silk knitting and production of silk garment.