Discovery of newcastle disease and research on the vaccine for it;

鸡新城疫病的发现及弱毒疫苗的制取和使用研究工作；

Exotic Newcastle disease is a bird virus found in many parts of the world.

异国情调新城疫是一种鸟类病毒的发现，在世界许多地方。

Expand the range of protection to include other avian viruses such as Newcastle disease virus and Marek's disease.

拓展保护范围，将其它禽类易感病毒如新城疫病毒和马立克氏病病毒等容纳进来。

OBJECTIVE To evaluate the effects of formulation technique of PLGA microspheres on the stability of Newcastle disease virus and to look for a proper protectant to stabilize Newcastle disease virus.

目的考察乳酸-羟乙醇酸共聚物（PLGA）微球制备工艺对新城疫病毒的稳定性影响，并寻求合适的保护剂以稳定新城疫病毒的活性。

Objective To observe the effect of rabbit sacculus rotundus peptides on virulent Newcastle disease virus.

目的观察兔圆小囊抗菌肽对鸡新城疫病毒强毒株有无抑制作用。

Newcastle disease virus (NDV)was found and isolated in 1926, and prevalence of the virus has widely spread in the world.

新城疫病毒自从1926年发现并分离到该病毒以来，该病毒至今还在世界各地流行和传播。

Inhibiting function of it to Newcastle Disease Virus (NDV) was tested through chicken embryos method and artificially infecting chickens.

通过鸡胚法和人工感染雏鸡测定其对新城疫病毒的抑制作用。

The isolate revealed to be able to agglutinate chicken haemocytes with the agglutination reaction to be inhibited by Newcastle disease virus standard antiserum.

该病毒凝集鸡红细胞的作用可被新城疫标准阳性血清所抑制，证明所分离的毒株为新城疫病毒。