Nama Vac ND Las

Newcastle Disease vaccine B1 type, Lasota strain

  Lyophilized (freeze-dried) live vaccine for active immunization of chicks
and adult birds against Newcastle disease.


  • It is a live CEO virus vaccine derived from embryonated SPF hen's eggs. It has been lyophilized in vials and sealed under vacuum to preserve the stability.


Each dose contains not less than 106 EID50 Lasota strain ND virus. 


  • This vaccine is recommended for vaccination of chickens against Newcastle disease for both initial vaccination and revaccination.

Vaccination schedule

  • This vaccine is recommended for use as early as 2 weeks of age or older.
  • Revaccinate 3 to 6 weeks later.
  • It should be used as a revaccination after the use of the B1 strain of Newcastle disease vaccine.
  • For replacement of pullets, a booster vaccination should be given between 16 and 18 weeks of age.


  • Drinking water method :
    • Drinking water vaccination should be done during the cooler part of the day.
    • Remove any disinfectant or sanitizer from the water for 24 hours prior to and after vaccination.
    • Rinse all waterers with clean water prior to vaccination.
    • It is recommended that no water be given for at least one hour before vaccination to allow birds to get thirsty. This shall ensure that all birds get an equal share of vaccine.
    • Dissolve vaccine in the drinking water as per schedule mentioned in the pack insert, supplied with vaccine.
    • Provide ample drinking water space to all the bids.
  • Intraocular (eye-drop) method ( For 1000, 500 and
    200 dose size) :
    • Combine the diluents with vaccine and mix well.
    • Place the dropper over the vial containing vaccine solution.
    • Hold the chick with one eye turned up. Apply one drop of vaccine in to open eye and hold until bird swallows.
  • Intranasal method ( For 1000, 500 and 200 dose size) :
    • Combine the diluents with vaccine and mix well.
    • Place the dropper over the vial containing vaccine solution.
    • Hold the chick with one eye turned up. Place one finger over one nostril. Instil one drop of vaccine into the open nostril and hold until bird breathes in the drop.
  • Coarse Spray method :
    • Use only for revaccination.
    • The quantity of water for 1000 doses is 200ml from the fourth week of life onwards.
    • Chlorine free or, preferably, distilled water should be used.
    • Field spray application should be used only in houses that can be tightly closed. Close all windows, doors, ventilators, etc and turn off fan.
    • One dose of vaccine should be used for each bird.
    • Spray each 1000 doses of vaccine over 1000 birds.
    • Leave the house closed for at least 15 minutes after spraying.
    When spraying live virus, some form of protection against inhalation and contamination of the eyes must be worn. Always use eye goggles. 
    Vaccination reaction
    Respiratory symptoms may be observed following the first vaccination depending upon the age and the level of parental immunity in the chicks. While birds are going through the reaction period, keep them comfortable by providing adequate heat and good ventilation. 
    1. Attention ! New Castle disease live virus can cause inflammation of the eye and eyelids of humans. Do not allow vaccine to come into contact with eyes.
    2. Birds clinically ill or weakened by transport should not be vaccinated.
    3. This vaccine must not be used for spray vaccination in the first three weeks of life (during this time B1 strain may be used).
    4. Do not combine vaccine with diluents until ready for use.
    5. Use entire content of the vial when first opened.
    6. Do not vaccinate during 21 days before slaughter.
    7. All used vials and unused content should be disposed safely.
    Store between + 2° ( 35°F) to +7°C (45°F)

    Available in lyophilised vials of 200, 500, 1000, 2000, 5000, 10,000 dose sizes.

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