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FIRST INDIGENOUS VACCINE FOR FISH DEVELOPED

FIRST INDIGENOUS VACCINE FOR FISH DEVELOPED

Context

Recently, the Central Institute of Brackish Aquaculture, Chennai developed an indigenous vaccine for Viral Nervous Necrosis.

Details

  • Viral Nervous Necrosis. viral disease which affects many marine, brackishwater and freshwater fishes,  results in 100% mortality in larval and early juvenile stages.
  • The disease is caused by nervous necrosis virus (NNV).
  • Red-spotted grouper nervous necrosis virus (RGNNV) is the only genotype prevalent in India and most other tropical countries.
  • To control the disease and prevent vertical transmission is to vaccinate fingerlings and adult fish.
    • Fingerling (fish), the development stage of young fish at which the fins can be extended and scales started developing
  • The new vaccine, Nodavac-R, developed by Central Institute of Brackish Aquaculture can be injected to fingerlings.
  • It was the first vaccine to be released for aquaculture in India and it would prevent VNN in fish hatcheries.
  • Viral Nervous Necrosis.is a genus of non enveloped positive-strand RNA viruses in the family Nodaviridae.

About Central Institute of Brackish Aquaculture

  • A nodal agency for catering to the needs of the brackishwater aquaculture research in India.
  • Headquarter : Chennai.
  • It works under the Ministry of Agriculture, India.

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