Home|Journals|Articles by Year|Audio Abstracts
 

Original Article

AJVS. 2019; 61(1): 168-178


Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens

hany ellakany, hatem Abd El-Hamid, ahmed bekhit, ahmed elbestawy, asmaa abou ellif, ahmed gado.




Abstract

Ornithobacterium rhinotracheale (ORT) and Mycoplasma gallisepticum (MG) are bacterial causes of respiratory diseases in chickens. The objective of this work was to investigate the possible interaction between ORT and MG in respiratory problem of broiler chickens. The experimental study confirmed that ORT infection alone could induced respiratory signs as (rales, nasal discharge), post mortem lesions (unilateral and bilateral pneumonia) and histopathological changes in tracheas, lungs and air sacs. Moreover, co-infection of ORT with MG induced severe respiratory signs like pneumonia, edema and severe inflammatory cell infilteration in lungs and air sacs than that observed in chickens infected with ORT or MG alone. ORT and MG were successfully detected by PCR from tracheal swabs at 3, 7 and 14 days post infection. The results showed the synergistic effect of mixed infection of ORT and MG in broiler chickens regarding clinical signs, PM lesions, mortality rate, body weight, re-isolation and histopathological examination.

Key words: Ornithobacterium rhinotracheale, Mycoplasma gallisepticum, PCR, Broiler chickens.






Full-text options


Share this Article


Online Article Submission
• ejmanager.com




ejPort - eJManager.com
Refer & Earn
JournalList
About BiblioMed
License Information
Terms & Conditions
Privacy Policy
Contact Us

The articles in Bibliomed are open access articles licensed under Creative Commons Attribution 4.0 International License (CC BY), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.