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Study of the Isolation and Pathology Characteristic of High Virulence Chicken NDV in Jilin

Author: LiXiuYun
Tutor: HeZhaoYang
School: Jilin Agricultural University
Course: Preventive Veterinary Medicine
Keywords: immunity chicken Chicken New castle disease Virus Pathology characteristic Vaccine
CLC: S852.65
Type: Master's thesis
Year: 2002
Downloads: 176
Quote: 0
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Abstract


In recent years, there is occurrence ND continuously in the ND La Sola vaccineimmunity and high antibody chicken, Some scholars reported its reason relation with not only immunity method, path, vaccine etc., but also poison and different genotype.One virus isolate was obtained from the diseased chicken flocks in Jilin province using SPF chicken embryos. By morphologic examination, structure characteristics ^ biological property N serological tests and pathology characteristic study, this virus was identified as the medium virulence chicken.New castle disease virus (NDV), whose pathology characteristics were appeared different from those of the standard virulence NDV.La Sola vaccine could not give good protection against the infection of this virus isolate.

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CLC: > Agricultural Sciences > Livestock, animal medicine,hunting,silkworm,bee > Animal Medicine ( Veterinary Medicine) > Basic Veterinary Science > Animal Microbiology ( Veterinary Microbiology, ) > Livestock Virology
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