8Oie. manual of diagnostic tests and vaccines for terrestrial animals(chapter 2.1.14) [S].
9Simmons G C. The isolation of Newcastle disease virus in Queensland[J]. Australian Veterinary Journal, 1967,43:29-30.
10Bell Norman. The resistance of meat acrosol with a live V4 Newcastle disease chickens vaccinated by virus Vaccine in the field to challenge with avelogenic Newcastle disease virus[J].Aust Vet J,1991, (3) :93-101.