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Unusual growth variants of Avibacterium paragallinarum.

Blackall, P.J. and Christensen, H. and Bisgaard, M. (2011) Unusual growth variants of Avibacterium paragallinarum. Australian Veterinary Journal, 89 (7). pp. 273-275.

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Article Link(s): http://dx.doi.org/10.1111/j.1751-0813.2011.00714.x

Publisher URL: http://www.wiley.com

Abstract

Two isolates of haemophilic bacteria originally isolated in the 1980s from chickens were re-examined. The addition of a 10% sterile filtrate from an overnight culture of Staphylococcus epidermidis allowed growth of both isolates in solid and liquid media that were otherwise not capable of supporting the growth of these isolates. Using the modified media, genotypic and serotypic studies were performed, which confirmed both isolates to be Avibacterium paragallinarum, with one isolate being serovar A and the other serovar C. The unusual growth requirements of these two isolates reinforces the need for careful interpretation by diagnostic laboratories examining chickens showing signs of upper respiratory tract disease.

Item Type:Article
Corporate Creators:Department of Employment, Economic Development & Innovations (DEEDI), Agri-Science
Business groups:Agri-Science
Additional Information:© 2011 The Authors © Australian Veterinary Association 2011
Keywords:Coryza; diagnosis; growth; infectious diseases; laboratory diagnosis; poultry; research; respiratory system; serovars; fowls; bacteria; avibacterium paragallinarum; chickens; infectious coryza; haemophilus-paragallinarum; strains; avium; tests.
Subjects:Veterinary medicine > Diseases of special classes of animals > Avian
Animal culture > Poultry
Deposited On:24 Nov 2011 06:06
Last Modified:05 Dec 2011 02:48

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