S.S. Chaudhary

Indian Veterinary Research Institute, Barelī, Uttar Pradesh, India

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Publications (1)3.62 Total impact

  • S.S. Chaudhary · K.D. Pandey · R.P. Singh · P.C. Verma · P.K. Gupta
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    ABSTRACT: The combined sheep pox and Peste des Petits ruminants (PPR) vaccine was prepared in lyophilized form containing recommended doses of both vaccine viruses. Safety and immunogenicity of this combined vaccine was evaluated in sheep. Sheep immunized subcutaneously with 1ml of live attenuated vaccine consisting of 10(3)TCID(50) each of sheep pox virus (SPV) Romanian Fanar (RF) strain and Peste des Petits ruminants virus (PPRV-Sungri/96 strain) were monitored for clinical and serological responses for a period of four weeks post immunization (pi) and two week post challenge (pc). Specific antibodies directed to sheep pox virus could be demonstrated by indirect ELISA and serum neutralization test (SNT). Competitive ELISA and SNT were used for demonstration of antibodies to PPR virus. All the immunized animals resisted challenge with virulent SPV or PPRV on day 30pi, while control animals developed characteristic signs of disease. Specific virus could be detected in the unvaccinated control animals after challenge but not from any of the immunized sheep. Combined vaccine was found to be safe and potent as evident from sero conversion as well as challenge studies in sheep. This indicates that component vaccines did not interfere each other and can be used in target population for economic vaccination strategies.
    No preview · Article · May 2009 · Vaccine

Publication Stats

25 Citations
3.62 Total Impact Points

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  • 2009
    • Indian Veterinary Research Institute
      • Division of Biological Products
      Barelī, Uttar Pradesh, India