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Pathogenicity of chicken and pigeon isolates of Newcastle disease virus

Indian Agricultural Research Journals

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Title Pathogenicity of chicken and pigeon isolates of Newcastle disease virus
 
Creator MISHRA, S
KATARIA, J M.
SAH, R L
VERMA, K C
MISHRA, J P
 
Subject Chicken, Newcastle disease virus, Pathogenicity, Pigeon
 
Description Pathogenicity of chicken and pigeon isolates of Newcastle disease virus was studied in 3-week-old chickens. Clinical signs following inoculation of chicken isolate by oronasal route were observed after an incubation period of 4-5 days that included dullness, depression, dyspnoea, diarrhoea and leg paralysis with mortality of 60%. Pigeon isolate infected group exhibited very mild clinical signs with mortality of 6%. Postmortem examination of birds infected with chicken isolate revealed haemorrhages at the tip of the glands of proventriculus and caecal tonsil, while in pigeon isolate group, no gross changes were observed. However, histopathological changes were seen invariably in bursa of fabricius, spleen, caecal tonsil and trachea of both the groups. Virus was also isolated from various organs of both the groups from 5-10 days post infection.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2013-12-16
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/35730
 
Source The Indian Journal of Animal Sciences; Vol 70, No 4 (2000)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/35730/15790
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences