Muthaffar Hussain, Al-Haddawi and Sabri, Jasni and Israf Ali, Daud Ahmad and Saad, Mohd Zamri and Mutalib, Abdul Rahim and Abdul Rahman, Sheikh Omar (2001) Ultrastructural pathology of nasal and tracheal mucosa of rabbits experimentally infected with Pasteurella multocida serotype D:1. Research in Veterinary Science, 70 (3). pp. 191-197. ISSN 0034-5288
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Official URL: http://dx.doi.org/10.1053/rvsc.2001.0459
Sixteen 8- to 9-week-old Pasteurella multocida-free New Zealand White rabbits were divided into two equal groups. The first group was inoculated intranasally with P multocida serotype D:1 strain and the second group that was inoculated with phosphate-buffered saline (PBS) only was used as a control group. Pasteurella multocida was isolated from the nasal cavity of all infected rabbits in group 1 and from tracheal swabs of seven rabbits in this group. Four rabbits in group 1 died with clinical signs of septicaemia, two rabbits had mucopurulent nasal discharge and pneumonic lesions and the other two did not show any clinical signs or gross lesions. The ultrastructural changes detected were deciliation or clumping of cilia of ciliated epithelium, cellular swelling, vacuolation and sloughing. The subepithelial capillaries showed congestion, intravascular fibrin deposition, platelets aggregation and endothelial injury. Pasteurella multocida was observed attached to the injured endothelial cells. Heterophils, mast cells, vacuolated monocytes and macrophages infiltrated the lamina propria and between the degenerated epithelial cells. ©2001 Harcourt Publishers Ltd
|Faculty or Institute:||Faculty of Veterinary Medicine|
|Publisher:||Harcourt Publishers Limited|
|Deposited By:||Azizan Arshad|
|Deposited On:||12 May 2010 04:44|
|Last Modified:||19 Aug 2010 07:44|
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