الفهرس 
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Abstract
Infectious laryngotracheitis virus was detected from outbreaks in Kalubia , Sharkia and Gharbia governoratesThe isolates were subjected to physicochemical , biological characterization and pathological investigationsPathogenicity test showed that isolate S3 was the most pathogenic strainThe S3 isolate was used for preparation of inactivated ILTV vaccine by using Binary Ethelinimine , with Aluminium hydroxide gel and Montanide ISA - 70M as adjuvantThe cell mediated and humoral immune response , and potency test of the vaccinated birds were indicated that ILT prepared inactivated vaccine with gel and oil adjuvants are potent for birds` protection as well as the live vaccines , and they had no adverse post - vaccinal reaction.