The presence of nicotinamide adenine dinucleotide-independent Haemophilus paragallinarum in Mexico

Garcia, A. J., Angulo, E., Blackall, P. J. and Ortiz, A. M. (2004) The presence of nicotinamide adenine dinucleotide-independent Haemophilus paragallinarum in Mexico. Avian Diseases, 48 2: 425-429. doi:10.1637/7104


Author Garcia, A. J.
Angulo, E.
Blackall, P. J.
Ortiz, A. M.
Title The presence of nicotinamide adenine dinucleotide-independent Haemophilus paragallinarum in Mexico
Journal name Avian Diseases   Check publisher's open access policy
ISSN 0005-2086
1938-4351
Publication date 2004-04-01
Year available 2004
Sub-type Article (original research)
DOI 10.1637/7104
Open Access Status DOI
Volume 48
Issue 2
Start page 425
End page 429
Total pages 5
Place of publication Jacksonville, FL, United States
Publisher American Association of Avian Pathologists
Language eng
Formatted abstract
Two isolates of Haemophilus paragallinarum were obtained from a layer chicken in México. The isolates were confirmed as H. paragallinarum by polymerase chain reaction and conventional biochemical identification. The isolates were nicotinamide adenine dinucleotide (NAD) independent - growing on blood agar without the need of a nurse colony as well as on a complex medium that lacked both NAD and chicken serum. Both isolates were pathogenic, causing the typical clinical signs of infectious coryza in susceptible chickens. One isolate was Page serovar B/Kume serovar B-1 and the other isolate was Page serovar C/Kume serovar C-2. The isolates were associated with a field outbreak that involved an egg drop of 20% over a 3-wk period and a doubling of weekly mortality (from 0.1% to 0.2%). This is the first report of NAD-independent H. paragallinarum outside South Africa and is the first time that NAD-independent H. paragallinarum of serovar B has been reported.
Keyword H. paragallinarum
Nicotinamide adenine dinucleotide
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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Created: Tue, 08 Mar 2011, 00:41:40 EST