NSSO took up specific requirement of both parental and hybrid seed production and supply in traditional and non-traditional sericulture states, with the following mandate

  • Maintain, multiply and supply reproductive seed true to the breeds’ traits/characteristics
  • Produce commercial silkworm seed meeting the prescribed quality standards
  • Introduce new systems/technology in silkworm seed production and provide quality leadership
  • Guide and bring-in excellence in silkworm seed production by imparting training and technology transfer

Quality parameters for Bivoltine hybrid eggs

( For Karnataka, Andhra Pradesh, Tamil Nadu, Kerala, Uttarakhand, Jammu & Kashmir):

  • F1 seed to be free from diseases.
  • Loose eggs to be supplied in boxes or in incubation frames. Each loose egg box / incubation frame to contain 25,000 grains ± 2 % in north zone and 30,000 grains ± 2 % in south zone.

Loose egg box contains the following information

  • Name of the SSPC where eggs have been produced
  • Combination
  • Number of grains (eggs) per box
  • Treated / Hibernated
  • Date of treatment / release
  • Probable date of hatching
  • Minimum hatching of 90 % in one day for incubated eggs under controlled conditions is promised.
  • Minimum cocoon yield of 55 kg for 2 boxes is assured under standard rearing conditions in south zone. For north zone, it is 45 kg in Spring and 30 kg in Autumn seasons

Quality parameters for Bivoltine hybrid eggs

( for Karnataka, Andhra Pradesh, Tamil Nadu, Kerala only ):

  • Based on the customer’s request, eggs can be incubated at no extra cost.
  • Incubated eggs are supplied in black-boxed condition along with test hatching cards which are also black-boxed indicating date of black-boxing and expected date of hatching.

Quality parameters for Cross Breed eggs

(for Karnataka, Andhra Pradesh, Tamil Nadu, Kerala, West Bengal)

  • Eggs to be free from diseases.
  • Cross Breed eggs are supplied in sheet form or loose egg form.
  • If crossbreed dfls are supplied in loose egg form, each box should contain 25,000 grains per box in south and also for Post Authorisation Trials; @ 20,000 grains per box for multi x multi and Ni x Bi dfls.

Minimum fecundity per dfl to be 450 eggs when supplied in sheet form.

  • Each egg sheet contains the following information:
    • Registration number of SSPC
    • Source of eggs
    • Book number and serial number of egg sheet
    • Lot number
    • Number of dfls
    • Combination name
    • Laid on date
    • Released on date
    • Expected date of hatching
  • In case of loose eggs, each box shall contain the following information
    • Registration number of SSPC
    • Source of eggs
    • Weight of eggs or number of eggs per box
    • Number of dfls
    • Name of combination
    • Laid on date
    • Released on date
    • Expected date of hatching
  • Minimum hatching of 90 % in one day for incubated eggs under controlled conditions is promised
  • Minimum cocoon yield of 50 kg for 100 dfls is assured under standard rearing conditions in South zone. For East zone, it is 35 to 45 kg depending upon rearing season.

Eggs are incubated and supplied at no extra cost.

Packing of Bivoltine loose eggs

  • Winnowing is to be carried out in the case of hibernated eggs to eliminate unfertilized and dead eggs to the extent possible.
  • Eggs of each lot are to be weighed on electronic balance and the eggs are counted to find out weight / number.
  • Volumetric standardization is done for each lot and packed in loose egg box.

Procedure for indenting and collection of dfls

  • Dfls can be indented in writing, over phone indicating quantity of dfls required, combination, expected date of hatching, whether incubation is required and expected date of collection.
  • Indent can be placed with the Incharge of the SSPC or Disposal Incharge or ZSSO Majra / Malda or to NSSO HQ
  • While collecting the dfls, full amount has to be paid for which cash receipt will be given.
  • Combination, price and stock of dfls is displayed in the grainage.

Timely delivery of the dfls to the customer will be made as per the indent / request. Only in the case of exigencies and due to unavoidable circumstances, there may be delay in the supply, which will be informed to the indentor.

Complaint procedure

  • A formal complaint can be lodged with the Incharge of the SSPC whose name and designation is displayed in the grainage, either orally or in writing. Telephonic complaints will also be entertained.
  • A complaint register is also available with the Incharge and the complaint can be written in it.
  • The complaints may pertain to following areas :
  • Less number of grains in a box / frame.
  • Poor hatching and delayed hatching inspite of providing optimum conditions.
  • Appearance of unhealthy worms during brushing.
  • Appearance of unequal worms during I and II stages.
  • Incidence of pebrine disease in I and II stages only.
  • After investigating the complaint, action will be taken.
  • The customer can also forward the complaint to the incharge of ZSSO, Majra / Malda or Director, NSSO, Bangalore in case the customer is dissatisfied with the response of the Incharge of SSPC.
  • NSSO will not be responsible for poor hatching (less than 90 %), if the dfls are improperly handled (like transportation in hotter condition, air tight conditions, re-consigning the eggs after release, improper incubation, delay in exposing the dfls to light on the expected date of hatching, etc.,)
  • Customer can count the number of eggs per box and satisfy himself before taking delivery of the eggs. Necessary facilities like electronic balance etc., shall be made available for this purpose on request.
  • No complaints on poor hatching shall be entertained, if the information is not furnished within 24 hours of brushing.
  • In all cases of complaints, after investigation, if the problem identified is due to the poor quality of seed, liability will be only replacement of seed that too, if the entire crop is rejected and similar complaints are received by other customers.