TY - BOOK AU - Saleh Esmate Aly Abdelrahman AU - Ahmed Abdelghani Elsanousi , AU - Hussien Aly Hussien Ahmed , TI - Phlogenetic analysis of lentogenic strains of newcastle disease virus / PY - 2012/// CY - Cairo : PB - Saleh Esmate Aly Abdelrahman , KW - Lentogenic KW - Newcastle disease virus KW - Vaccines N1 - Thesis (M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Virology; Issued also as CD N2 - Six commercially used vaccines in the poultry production were obtained and examined for the relatedness between them and the recent isolates in Egypt which may be detected that the vaccines may be the source of the infections . In molecular standard study of the vaccine found that more than monobasic amino acid in the cleavage site of the vaccine which confirmed that the live lasota vaccine must be induces reverse action effect which leads to appear the clinical signs after vaccination UR - http://172.23.153.220/th.pdf ER -