Husam Bakri discusses avian influenza and mycoplasma infection

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Husam Bakri Husam Bakri
Veterinary Doctor
March 29, 2017

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

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jignesh barot jignesh barot
M. V. Sc. (Avian Diseases)
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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Husam Bakri Husam Bakri
Veterinary Doctor
March 31, 2017
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 best

Bakri
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Wijaya Saputra Wijaya Saputra
Veterinary Doctor
April 1, 2017
Dear Dr. Husam Bakri.
Can you tell me about clinical sign and changes cross pathologi of the chicken that infected with AI subtipe H9N2, because it's new case in my chicken. Acctualy in South Asia still Dominant AI subtipe H5N1 . thank you.
Regards

WIJAS
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Husam Bakri Husam Bakri
Veterinary Doctor
April 3, 2017

Dear Wijas,
Thank you for your question. Actually, as we do have other diseases are challenging the flocks, it is difficult to say this signs or other are related to AI, we are also having challenges of ND and IB variants.

Here some signs we believe to it close to the AI problem:
Layer and breeder:
- Drop in production specially when the production going up to the peak and it will be severe when it comes with ND or AI.
Broiler: 
- We see yellow material in bifurcation.
- Also we see high mortality and the % depend on what other diseases are playing a role at the same time.

We are strongly advicing farmers to get blood serology tests or FTA card for PCR samples to be sure about what is going on more that clinical signs to avoid miss diagnostics.

Regarding the blood samples we are advising the following:
- Not less that 25 samples on the day of the clinical samples.
- After 2 weeks another 25 samples after you test them for AI or any other disease you are expecting.

Please feel free to ask if you need any further information.

All the best. 

Bakri

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Manash Gohain Manash Gohain
Student
August 7, 2019
Husam Bakri doctor why we should take 25 samples?
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David S. O. K. Quartey David S. O. K. Quartey
B.Sc (Agric), M.Phil (Animal Nutrition)
April 3, 2017
Congratulations. This will go a long way to help the poultry industry
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Aly Ghetas Aly Ghetas
Research
April 5, 2017
Dear Dr. Bakri,
Did this inactivated vaccine used to protect broilers against H9N2 infections? If yes, what is the best time to vaccinate broilers against H9N2?

Sincerely,

Aly M. Ghetas
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Manash Gohain Manash Gohain
Student
August 7, 2019

Aly Ghetas primary around 6 weeks booster at 16th weeks i.e two shots in grower to maintain the titre.

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Kasame Trakullerswilai Kasame Trakullerswilai
Bacheler of Veterinary Medicine
April 5, 2017

Dear Wijas,

my opinion is we shall use mg live vac for protection birds and checking AI field H9 genetic for matching the vaccine used or using the homologous vaccine, possibly H9 itself can affect production and mortality even free mg. 

Reply
April 25, 2017

Dr Bakri:
Thank you for sharing your expertise. I wonder if you could put me in contact with an expert on Avian Influenza and other main avian diseases in Sub-Saharan Africa Countries or West Africa Region.
Thank you so much.
Fernando.

Reply
Husam Bakri Husam Bakri
Veterinary Doctor
May 4, 2017
Dear agro,
Plz send me your email
Husam_bakri@hotmail.com
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