Pathology of an atypical strain of Pasteurella gallinarum infection in chickens

H L Shivaprasad, R. Droual

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Gross and microscopic pathology caused by an atypical strain of Pasteurella gallinarum (Fresno strain) was compared in chickens with that caused by the American Type Culture Collection type strain. Ten 21-day-old broiler chickens were inoculated intranasally with 107 colony forming units or intramuscularly with 105 colony forming units of either strain. The birds were killed 7 days later, and gross and microscopic lesions were studied. Grossly, there was extensive white discoloration of pectoral muscles with mild fibrinous exudate in birds inoculated intramuscularly with the Fresno strain of P. gallinarum. Most of these birds also had severe fibrinous exudation over the heart, the capsule of the liver, the air sac, and in the hock joints. Microscopically, there was severe chronic pyogranulomatous airsacculitis, pericarditis, perihepatitis, myositis, synovitis, and granulomatous pneumonia. One bird had severe acute multifocal hepatitis. From this study, it is evident that the Fresno strain of P. gallinarum was more pathogenic than the American Type Culture Collection type strain when given intramuscularly.

Original languageEnglish (US)
Pages (from-to)399-406
Number of pages8
JournalAvian Pathology
Volume31
Issue number4
DOIs
StatePublished - 2002

Fingerprint

Pasteurella gallinarum
Pasteurella Infections
Birds
Chickens
Pathology
chickens
infection
Stem Cells
Animal Tarsus
Pasteurella
Air Sacs
Pectoralis Muscles
birds
Myositis
Pericarditis
Synovitis
type collections
Exudates and Transudates
Hepatitis
Capsules

ASJC Scopus subject areas

  • Immunology
  • veterinary(all)

Cite this

Pathology of an atypical strain of Pasteurella gallinarum infection in chickens. / Shivaprasad, H L; Droual, R.

In: Avian Pathology, Vol. 31, No. 4, 2002, p. 399-406.

Research output: Contribution to journalArticle

@article{fbd85b64b4b147b9aea815035d66efd0,
title = "Pathology of an atypical strain of Pasteurella gallinarum infection in chickens",
abstract = "Gross and microscopic pathology caused by an atypical strain of Pasteurella gallinarum (Fresno strain) was compared in chickens with that caused by the American Type Culture Collection type strain. Ten 21-day-old broiler chickens were inoculated intranasally with 107 colony forming units or intramuscularly with 105 colony forming units of either strain. The birds were killed 7 days later, and gross and microscopic lesions were studied. Grossly, there was extensive white discoloration of pectoral muscles with mild fibrinous exudate in birds inoculated intramuscularly with the Fresno strain of P. gallinarum. Most of these birds also had severe fibrinous exudation over the heart, the capsule of the liver, the air sac, and in the hock joints. Microscopically, there was severe chronic pyogranulomatous airsacculitis, pericarditis, perihepatitis, myositis, synovitis, and granulomatous pneumonia. One bird had severe acute multifocal hepatitis. From this study, it is evident that the Fresno strain of P. gallinarum was more pathogenic than the American Type Culture Collection type strain when given intramuscularly.",
author = "Shivaprasad, {H L} and R. Droual",
year = "2002",
doi = "10.1080/03079450220141688",
language = "English (US)",
volume = "31",
pages = "399--406",
journal = "Avian Pathology",
issn = "0307-9457",
publisher = "Taylor and Francis Ltd.",
number = "4",

}

TY - JOUR

T1 - Pathology of an atypical strain of Pasteurella gallinarum infection in chickens

AU - Shivaprasad, H L

AU - Droual, R.

PY - 2002

Y1 - 2002

N2 - Gross and microscopic pathology caused by an atypical strain of Pasteurella gallinarum (Fresno strain) was compared in chickens with that caused by the American Type Culture Collection type strain. Ten 21-day-old broiler chickens were inoculated intranasally with 107 colony forming units or intramuscularly with 105 colony forming units of either strain. The birds were killed 7 days later, and gross and microscopic lesions were studied. Grossly, there was extensive white discoloration of pectoral muscles with mild fibrinous exudate in birds inoculated intramuscularly with the Fresno strain of P. gallinarum. Most of these birds also had severe fibrinous exudation over the heart, the capsule of the liver, the air sac, and in the hock joints. Microscopically, there was severe chronic pyogranulomatous airsacculitis, pericarditis, perihepatitis, myositis, synovitis, and granulomatous pneumonia. One bird had severe acute multifocal hepatitis. From this study, it is evident that the Fresno strain of P. gallinarum was more pathogenic than the American Type Culture Collection type strain when given intramuscularly.

AB - Gross and microscopic pathology caused by an atypical strain of Pasteurella gallinarum (Fresno strain) was compared in chickens with that caused by the American Type Culture Collection type strain. Ten 21-day-old broiler chickens were inoculated intranasally with 107 colony forming units or intramuscularly with 105 colony forming units of either strain. The birds were killed 7 days later, and gross and microscopic lesions were studied. Grossly, there was extensive white discoloration of pectoral muscles with mild fibrinous exudate in birds inoculated intramuscularly with the Fresno strain of P. gallinarum. Most of these birds also had severe fibrinous exudation over the heart, the capsule of the liver, the air sac, and in the hock joints. Microscopically, there was severe chronic pyogranulomatous airsacculitis, pericarditis, perihepatitis, myositis, synovitis, and granulomatous pneumonia. One bird had severe acute multifocal hepatitis. From this study, it is evident that the Fresno strain of P. gallinarum was more pathogenic than the American Type Culture Collection type strain when given intramuscularly.

UR - http://www.scopus.com/inward/record.url?scp=0035987460&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035987460&partnerID=8YFLogxK

U2 - 10.1080/03079450220141688

DO - 10.1080/03079450220141688

M3 - Article

C2 - 12396342

AN - SCOPUS:0035987460

VL - 31

SP - 399

EP - 406

JO - Avian Pathology

JF - Avian Pathology

SN - 0307-9457

IS - 4

ER -