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Effect of intranasal attenuated Pasteurella multocida B:2 on haemorrhagic septicaemia in calves


Citation

Khin, Myat Nwe and Saad, Mohd Zamri and Mohamed Mustapha, Noordin and Abd Wahid, Mohd Effendy (2009) Effect of intranasal attenuated Pasteurella multocida B:2 on haemorrhagic septicaemia in calves. Online Journal of Veterinary Research, 13 (2). pp. 65-72. ISSN 1328-925X

Abstract / Synopsis

This report describes the effect of vaccination with attenuated P. multocida B:2 on wild-type P. multocida B:2 infection in calves. Calves were given 5 ml intranasal 107 CFU/mL live attenuated gdhA derivative of P. multocida B:2. Untreated calves were then mingled with the vaccinated Group. Control untreated calves were kept separate. After 6 weeks, all calves were challenged intra-tracheally with 107 CFU/mL of live wild-type P. multocida B:2. At Post-Mortem none of the vaccinated or mingled calves had lesions whereas controls revealed pulmonary petechial haemorrhages with acute pneumonia patches with neutrophils. Both exposed and commingled calves showed significantly (p<0.05) higher levels of serum IgG. P. multocida B:2 were successfully isolated only from the control calves of Group 3. These findings suggest that intranasal exposures to live attenuated P. multocida B:2 prevented infection by wild-type P. multocida B:2 and may have protected susceptible calves.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Veterinary Medicine
Publisher: Online Journal of Veterinary Research
Keywords: Intranasal; Attenuated Pasteurella multocida B:2; Infection
Depositing User: Azizan Arshad
Date Deposited: 04 Jun 2010 14:35
Last Modified: 22 Nov 2016 09:09
URI: http://psasir.upm.edu.my/id/eprint/7064
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