Dr. Jignesh Barot
M. V. Sc. (Avian Diseases)
(1) Technical guidance to poultry farmers including Breeders, hatcheries (2) Disease diagnosis by PM and laboratory tests (3) Designing vaccination schedule
M. V. Sc. (Avian Diseases)
See:
Participation in Forum on May 3, 2017
Dr. Bakri, Thank you for being a continuous source of information on H9N2 vaccine/vaccination. Can I get your Inactivated H9N2 vaccine in Anand, Gujarat (India) Which age would be perfect for vaccination, Day-1 or Day-5? Thanks Dr Jignesh Barot jgbivrig@gmail.com
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Participation in Forum on April 7, 2017
Dr. Bakri, Thank you very much for sharing your experience and Knowledge on H9N2 vaccine. Regards, Jignesh Barot
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Participation in Forum on April 6, 2017
03/04/2017 | Dr. Bakri, Thank you very much for your quick reply. Have you conducted challenge trials (under Isolation) ? - I. e. Vaccinated birds challenged against different isolates/strains of H9N2 viruses - what were the results ? Is there any difference between fast growing and slow growing birds in attaining protective level of immunity after injection with this inactivated (H9N2) va ...
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Participation in Forum on April 3, 2017
Is there any difference between fast growing and slow growing birds in attaining protective level of immunity after injection with this inactivated (H9N2) vaccine?
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Participation in Forum on April 3, 2017
Dr. Bakri, Thank you very much for your quick reply. Have you conducted challenge trials (under Isolation) ? - I. e. Vaccinated birds challenged against different isolates/strains of H9N2 viruses - what were the results ? Thanks & Regards,,,
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Dr. Jignesh Barot likes the comment:
Dear Avner, Thank you for your comments and your question. The one used in the vaccine is the same one that has been isolated from the area 1998 which most of the vaccines companies are using. The difference in response to the vaccine are: 1- vaccine application.2- Type of the adjuvants used . 3- Time of vaccination.Last 2 years we have reisolated the virus again and we found it still the sam ...
Dr. Jignesh Barot likes the comment:
Dear Bouchard,First point you need to look to it when you do not have homogeneity is vaccine application, second the best to evaluate the vaccine is to do HI test which more specific. Regarding the strain yes the strain we are using is matching with the field strain. My advice if you need to evaluate the vaccine in HI or Eisa tests to colect the samples as follow:Day one, 10, 20 and day of the sla ...
Dr. Jignesh Barot likes the comment:
Dear Dr. Bardot,First thank you for your comments. From our field experience, over 18 years using this vaccines, yes, it gives very good protection against H9N2, which is always challenging the breeders and layers when the production is going to the peak. No H9N2 vaccine will not give cross protection against other AI serotype.All the best Bakri
Dr. Jignesh Barot likes the comment:
Dear Dr. Bardot, 1- It has been isolated on 1998 from Middle East and produced as vaccine 1999. 2- yes for the following reasons : - from our field experience results from the vaccine till now gave great 90-95 of breeders and layers using the vaccine . - last few year I have reisolted the virus from 3 differences countries and we found out that the filed virus still same vaccine virus. All the ...
Participation in Forum on March 31, 2017
Dr. Bakri, Thank you for your reply. How old is the seed H9N2 virus used for production of this inactivated vaccine? Will this vaccine provide protection If there is one or more point mutation in H9N2 subtype virus ? Would please share challenge studies with currently isolated H9N2 strains? Thanks & Regards,,,,,, Dr. Jignesh Barot
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Information
Location:Anand , Gujarat, India
Profile: Professional
Professional Title: M. V. Sc. (Avian Diseases)
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