E-ISSN 2536-9520 | ISSN 1110-2047
 
2025, Vol: 85
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Original Article 


Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt

Hatem S. Abd El-hamid, Hany F. Ellakany, Elkholia S.z., Ahmed R. Elbestawy, Eman R. Diab.


Abstract
Avian nephritis virus is a new circulating virus in Europe, Australia, and Japan, this virus lead to growth retardation of young chickens by causing interstitial nephritis.
Investigation was done in 5 Egyptian governorates (North Sinai, El-Minoufiya, El-Gharbia and El-Behera and Kafr-Elsheikh) on 28 broiler chicken flocks and all the flocks were negative for Avian nephritis virus. And we continued the detection of IBV in the same 28 broiler chicken flocks, resulting that 11 flocks out of 28 flocks, were positive for IBV. Regarding spike glycoprotein (S1) gene, sequencing was done to 5 isolates which showed that they belonged to Eg/12120s/2012 spike glycoprotein (SP1) gene variant 2. Protectotyping was done using 2 isolates, and 3 types of IB live attenuated vaccines (H120, Ma5, IB primer). In conclusion, this study recorded the extensive circulation of variant 2 IBV in Egyptian broiler chickens. Regarding the pathogenicity of the tested variant and cross protection with available live IB vaccines, it was clear that there no complete cross protection against IBV isolates although of using live attenuated IB vaccines so there a need for further studies to define a more effective program for IB control.

Key words: avian nephritis, infectious bronchitis, viruses in broilers in Egypt.


 
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How to Cite this Article
Pubmed Style

El-hamid HSA, Ellakany HF, S.z. E, Elbestawy AR, Diab ER. Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. AJVS. 2016; 51(2): 33-45. doi:10.5455/ajvs.233327

Web Style

El-hamid HSA, Ellakany HF, S.z. E, Elbestawy AR, Diab ER. Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. https://www.alexjvs.com/?mno=233327 [Access: March 25, 2025]. doi:10.5455/ajvs.233327

AMA (American Medical Association) Style

El-hamid HSA, Ellakany HF, S.z. E, Elbestawy AR, Diab ER. Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. AJVS. 2016; 51(2): 33-45. doi:10.5455/ajvs.233327


Vancouver/ICMJE Style

El-hamid HSA, Ellakany HF, S.z. E, Elbestawy AR, Diab ER. Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. AJVS. (2016), [cited March 25, 2025]; 51(2): 33-45. doi:10.5455/ajvs.233327


Harvard Style

El-hamid, H. S. A., Ellakany, . H. F., S.z., . E., Elbestawy, . A. R. & Diab, . E. R. (2016) Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. AJVS, 51 (2), 33-45. doi:10.5455/ajvs.233327


Turabian Style

El-hamid, Hatem S. Abd, Hany F. Ellakany, Elkholia S.z., Ahmed R. Elbestawy, and Eman R. Diab. 2016. Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. Alexandria Journal of Veterinary Sciences, 51 (2), 33-45. doi:10.5455/ajvs.233327


Chicago Style

El-hamid, Hatem S. Abd, Hany F. Ellakany, Elkholia S.z., Ahmed R. Elbestawy, and Eman R. Diab. "Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt." Alexandria Journal of Veterinary Sciences 51 (2016), 33-45. doi:10.5455/ajvs.233327


MLA (The Modern Language Association) Style

El-hamid, Hatem S. Abd, Hany F. Ellakany, Elkholia S.z., Ahmed R. Elbestawy, and Eman R. Diab. "Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt." Alexandria Journal of Veterinary Sciences 51.2 (2016), 33-45. Print. doi:10.5455/ajvs.233327


APA (American Psychological Association) Style

El-hamid, H. S. A., Ellakany, . H. F., S.z., . E., Elbestawy, . A. R. & Diab, . E. R. (2016) Incidence of Avian Nephritis and Infectious Bronchitis Viruses in Broilers in Egypt. Alexandria Journal of Veterinary Sciences, 51 (2), 33-45. doi:10.5455/ajvs.233327




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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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