Mahmoud Seddeek

H9 make a big problem now in many countries and the main problem from my view is coinfection with other factors such as MG, E.Coli, viral diseases as IB Also, early infection of H9h9 mainly depend on cellular immunity, so inactivated vaccine play a minor role in protection.I think the recombinant vaccine will help in solving the problems beside strict biosecurity.

Ascites may be asequelle to condition known sudden death syndrome mainly associated will less oxygen content and high feed conversion after 28 day of age and other factors such as high altitude, mycotoxins,renal failure

Is it effective or not and to what extent ?