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2025, Vol: 85
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Original Article 


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.


 
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How to Cite this Article
Pubmed Style

Ellakany H, El-hamid HA, Bekhit A, Elbestawy A, Ellif AA, Gado A. Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. AJVS. 2019; 61(1): 168-178. doi:10.5455/ajvs.297431

Web Style

Ellakany H, El-hamid HA, Bekhit A, Elbestawy A, Ellif AA, Gado A. Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. https://www.alexjvs.com/?mno=297431 [Access: May 04, 2025]. doi:10.5455/ajvs.297431

AMA (American Medical Association) Style

Ellakany H, El-hamid HA, Bekhit A, Elbestawy A, Ellif AA, Gado A. Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. AJVS. 2019; 61(1): 168-178. doi:10.5455/ajvs.297431


Vancouver/ICMJE Style

Ellakany H, El-hamid HA, Bekhit A, Elbestawy A, Ellif AA, Gado A. Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. AJVS. (2019), [cited May 04, 2025]; 61(1): 168-178. doi:10.5455/ajvs.297431


Harvard Style

Ellakany, H., El-hamid, . H. A., Bekhit, . A., Elbestawy, . A., Ellif, . A. A. & Gado, . A. (2019) Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. AJVS, 61 (1), 168-178. doi:10.5455/ajvs.297431


Turabian Style

Ellakany, Hany, Hatem Abd El-hamid, Ahmed Bekhit, Ahmed Elbestawy, Asmaa Abou Ellif, and Ahmed Gado. 2019. Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. Alexandria Journal of Veterinary Sciences, 61 (1), 168-178. doi:10.5455/ajvs.297431


Chicago Style

Ellakany, Hany, Hatem Abd El-hamid, Ahmed Bekhit, Ahmed Elbestawy, Asmaa Abou Ellif, and Ahmed Gado. "Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens." Alexandria Journal of Veterinary Sciences 61 (2019), 168-178. doi:10.5455/ajvs.297431


MLA (The Modern Language Association) Style

Ellakany, Hany, Hatem Abd El-hamid, Ahmed Bekhit, Ahmed Elbestawy, Asmaa Abou Ellif, and Ahmed Gado. "Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens." Alexandria Journal of Veterinary Sciences 61.1 (2019), 168-178. Print. doi:10.5455/ajvs.297431


APA (American Psychological Association) Style

Ellakany, H., El-hamid, . H. A., Bekhit, . A., Elbestawy, . A., Ellif, . A. A. & Gado, . A. (2019) Effect of mixed experimental infection with Ornithobacterium rhinotracheale and Mycoplasma gallisepticum in broiler chickens. Alexandria Journal of Veterinary Sciences, 61 (1), 168-178. doi:10.5455/ajvs.297431




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    The Alexandria Journal of Veterinary Sciences (AJVS) Official Journal of Faculty of Veterinary Medicine, Alexandria University   ISSN: 1110 ... Read more.



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    Abees 10th district, Alexandria
    Egypt.

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