Abdel-Hameed Saied

Dear Dr. Greg, I had worked with recombinant vaccines in my laboratory for over 10 years against a number of agents-- ILT, Gumboro, Newcastle, Marek's. These worked very well in the laboratory, giving complete protection against contolled challenge. However, in the field they were a disappointment in that small disease breaks consistently occurred. Recently in the state of Florida (USA), the reco ...

Dear Dr. Greg, I already use this vaccine in many layer & broiler breeders farms as I was working in CEVA SANTE ANIMALE as a key account manager in KSA. This enabling me to study & notice the advantages of vector vaccine FP LT or FP LT AE vaccine. Yes, I agree with you that with this vector vaccine there is no way to virus recovering to return back to its virulence while on the other hand ...