Heat-resistant recombinant Newcastle Disease Virus vaccine strain capable of expressing truncated Fiber 2 protein of Fowl Adenovirus serotype 4, preparation method and application thereof

A heat-resistant recombinant Newcastle Disease Virus vaccine strain rLS-tFib2-C expressing truncated Fiber 2 protein of fowl adenovirus serotype 4 which has been preserved at the China Center for Type Culture Collection, Wuhan University, Wuhan, China with the preservation number of CCTCC No. V202042, the rLS-tFib2-C comprising a parent strain NDV LaSota with an HN gene replaced with an HN gene of the NDV TS09-C strain and comprising an inserted 961-1440 bp region of a Fiber2 gene of a Fowl Adenovirus serotype 4 between P and M genes of the parent strain in the form of a separate coding frame.