(AIV ,AI flu, influenza, fowl plague)    Avian influenza 

ND          Newcastle disease virus

ILT          Infectious laryngotracheitis

Wet pox   Fowl pox

 IB        Infectious bronchitis

SHS   Pneumonitis infection (Turkey Rhinotracheitis/Swollen Head   Syndrome)

MD       Marek's Disease virus

I.coryza,        Infectious Coryza

CRD         Mycoplasma,

F cholera              Pasteurella multocida 

Chlamydiosis, Ornithobacterium rhinotracheale.