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2025, Vol: 85
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Original Article 


Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens

Hatem S. Abd El-hamid, Hany F. Ellakany, Ahmed A. Bekhit, Ahmed R. Elbestawy, Mahmoud S. Elshafey.


Abstract
Gallibacterium anatis and Mycoplasma gallisepticum are bacterial pathogens affecting the respiratory tract of broiler chickens. Tracking the mixed experimental infection effect with G. anatis and M. gallisepticum in broiler chickens regarding clinical signs, performance, PM and histopathological lesions was the aim of this work. Birds inoculated with G. anatis (G2) or M. gallisepticum (G4) alone showed less severe clinical signs and gross pathological lesions in the respiratory tract. While, co-infection with G. anatis and M. gallisepticum (G3) exaggerated the clinical signs like rales, sneezing, nasal discharge, coughing, lacrimation and open mouth breathing and also gross and microscopical lesions which appeared as severe conjunctivitis with hemorrhagic congestive tracheitis, pneumonia and hyperplasia of the epithelium lining of trachea as compared to other groups which were infected with single pathogen or control negative group (G1). In conclusion, G. anatis produce less severe clinical signs and lesions regarding respiratory system than coinfection with M. gallisepticum which may be a most important factor enhancing the pathogenicity of G. anatis under field conditions.

Key words: Key words: Gallibacterium anatis, Mycoplasma gallisepticum, chickens, pathogenicity, PCR, coinfection


 
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How to Cite this Article
Pubmed Style

El-hamid HSA, Ellakany HF, Bekhit AA, Elbestawy AR, Elshafey MS. Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. AJVS. 2018; 57(1): 87-97. doi:10.5455/ajvs.286407

Web Style

El-hamid HSA, Ellakany HF, Bekhit AA, Elbestawy AR, Elshafey MS. Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. https://www.alexjvs.com/?mno=286407 [Access: March 27, 2025]. doi:10.5455/ajvs.286407

AMA (American Medical Association) Style

El-hamid HSA, Ellakany HF, Bekhit AA, Elbestawy AR, Elshafey MS. Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. AJVS. 2018; 57(1): 87-97. doi:10.5455/ajvs.286407


Vancouver/ICMJE Style

El-hamid HSA, Ellakany HF, Bekhit AA, Elbestawy AR, Elshafey MS. Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. AJVS. (2018), [cited March 27, 2025]; 57(1): 87-97. doi:10.5455/ajvs.286407


Harvard Style

El-hamid, H. S. A., Ellakany, . H. F., Bekhit, . A. A., Elbestawy, . A. R. & Elshafey, . M. S. (2018) Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. AJVS, 57 (1), 87-97. doi:10.5455/ajvs.286407


Turabian Style

El-hamid, Hatem S. Abd, Hany F. Ellakany, Ahmed A. Bekhit, Ahmed R. Elbestawy, and Mahmoud S. Elshafey. 2018. Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. Alexandria Journal of Veterinary Sciences, 57 (1), 87-97. doi:10.5455/ajvs.286407


Chicago Style

El-hamid, Hatem S. Abd, Hany F. Ellakany, Ahmed A. Bekhit, Ahmed R. Elbestawy, and Mahmoud S. Elshafey. "Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens." Alexandria Journal of Veterinary Sciences 57 (2018), 87-97. doi:10.5455/ajvs.286407


MLA (The Modern Language Association) Style

El-hamid, Hatem S. Abd, Hany F. Ellakany, Ahmed A. Bekhit, Ahmed R. Elbestawy, and Mahmoud S. Elshafey. "Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens." Alexandria Journal of Veterinary Sciences 57.1 (2018), 87-97. Print. doi:10.5455/ajvs.286407


APA (American Psychological Association) Style

El-hamid, H. S. A., Ellakany, . H. F., Bekhit, . A. A., Elbestawy, . A. R. & Elshafey, . M. S. (2018) Effect Of Mixed Experimental Infection With Gallibacterium Anatis And Mycoplasma Gallisepticum on Performance Of Broiler Chickens. Alexandria Journal of Veterinary Sciences, 57 (1), 87-97. doi:10.5455/ajvs.286407




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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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    Egypt.

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