
Keywords: SPF، بدون پاتوژن خاص; NDV, Newcastle disease virus; ICPI, intracerebral pathogenicity index; LBMs, live-bird markets; DK13, KR/duck/13/07; SPF, specific pathogen free; EID50, 50% egg infective dose; MCMC, Markov chain Monte Carlo; ESS, Effective sample size; CDS, coding sequen