1- Swayne DE, Boulianne M, Logue CM, McDougald LR, Nair V, Suarez DL, et al. Diseases of poultry. 14th ed. New Jersey: John Wiley & Sons, Inc. 2020; P: 109-66.
2- Swayne DE, Boulianne M, Logue CM, McDougald LR, Nair V, Suarez DL, et al. Diseases of poultry. 14th ed. New Jersey: John Wiley & Sons, Inc. 2020; P: 167-88.
3- Authority EFS. Avian influenza overview February–May 2020. EFSA J. 2020; 18(6): 6194.
4- Creelan JL, Graham DA, McCullough SJ. Detection and differentiation of pathogenicity of avian paramyxovirus serotype 1 from field cases using one-step reverse transcriptase-polymerase chain reaction. Avian Pathol. 2002; 31(5): 493-9.
5- Lee M-S, Chang P-C, Shien J-H, Cheng M-C, Shieh HK. Identification and subtyping of avian influenza viruses by reverse transcription-PCR. J Virol Methods. 2001; 97(1-2): 13-22.
6- Mousavi FS, Ghalyanchilangeroudi A, Hosseini H, Fasaei BN, Ghafouri SA, Abdollahi H, et al. Complete genome analysis of Iranian IS-1494 like avian infectious bronchitis virus. Virus Dis. 2018; 29(3): 390-4.
7- Hadipour M, Golchin P. Serosurvey of H9N2 avian influenza virus during respiratory disease outbreaks in broiler flocks in Dezful, southern Iran. Bulg J Vet Med. 2011; 14(1): 62-5.
8- Hosseini H, Fard MHB, Charkhkar S, Morshed R. Epidemiology of avian infectious bronchitis virus genotypes in Iran (2010–2014). Avian Dis. 2015; 59(3): 431-5.
9- Hosseini H, Langeroudi AG, Torabi R. Molecular characterization and phylogenetic study of Newcastle disease viruses isolated in Iran, 2010–2012. Avian Dis. 2014; 58(3): 373-6.
10- Pourbakhsh S, Momayez R, Toroghi R R, Shoushtari A. Ninetythree B type, the Predominant Circulating Type of Avian Infectious Bronchitis Viruses 1999-2004 in Iran: a retrospective study. Arch Razi Instit. 2008; 63(1): 1-5.
11- Sabouri F, Vasfi Marandi M, Bashashati M. Characterization of a novel VIIl sub-genotype of Newcastle disease virus circulating in Iran. Avian Pathol. 2018; 47(1): 90-9.
12- Seifi S, Asasi K, Mohammadi A. Natural co-infection caused by avian influenza H9 subtype and infectious bronchitis viruses in broiler chicken farms. Veterinarski Arhiv. 2010; 80(2): 269-81 [In Persian].
13- Boroomand Z, Miahi M, Seif abadi M, Gharbyani M. Detection and isolation of infectious bronchitis in respiratory complexes of Iranian broiler herds. The Second International Conference on New Technologies in Science: March 13, 2019; Amol, Iran, Amol University of Special Modern Technologies. 2019, P: 100 [In Persian].
14- Fallah Mehrabadi MH, Motamed N, Ghalyanchilangeroudi A, Ghafouri SA, Tehrani F. Newcastle Disease and Avian Influenza H9N2 Outbreaks in Backyard Chickens, Iran, 2014-2015. J Vet Res. 2021; 76(1): 75-82.
15- Fallah Mehrabadi MH, Shoushtari A, Tehrani F, Motamed N, Haerian B, Ghalyanchilangeroudi A, et al. Serological and Molecular Survey of Avian Influenza H9N2 Subtype in Live Birds Markets- 2016. J Vet Res. 2021; 75(4): 399-406.
16- Haji-Abdolvahab H, Ghalyanchilangeroudi A, Bahonar A, Ghafouri SA, Marandi MV, Mehrabadi MHF, et al. Prevalence of avian influenza, Newcastle disease, and infectious bronchitis viruses in broiler flocks infected with multifactorial respiratory diseases in Iran, 2015–2016. Trop Anim Health Prod. 2019; 51(3): 689-95.
17- Aghakhan S, Abshar N, Fereidouni SRN, Marunesi C, Khodashenas M. Studies on avian viral infections in Iran. Arch Razi Instit. 1994(44/45): 1-10.
18- Gharbiani M, Boroomand Z, Mayahi M, Shapouri SA. The role of infectious bronchitis virus in respiratory complexes of broiler flocks in East Azarbaijan and Golestan provinces. J Vet Microbiol. 16(1): 53-64.
19- Awan MA, Otte M, James A. The epidemiology of Newcastle disease in rural poultry: a review. Avian Pathol. 1994; 23(3): 405-23.
20- Swayne DE, King DJ. Avian influenza and Newcastle disease. J Am Vet Medical Assoc. 2003; 222(11): 1534-40.
21- Behashtian B, Haghighi khoshkho P, Akbari Azad G, Hoseini H. Phylogenetic study and study of Newcastle disease virus in multifactorial respiratory diseases in broiler flocks of Qazvin province, 2014-2015. Iran J Vet Med. 2020; 14(2): 135-45.
22- Alamian A, Pourbakhsh A, Shushtari A, Keivanfar H. Seroprevalence Investigation of Newcastle Disease in Rural Poultries of the Northern Provinces (Golestan, Gilan, and Mazandaran) of Iran. Arch Razi Instit. 2019; 74(4): 365-73 [In Persian].
23- Nili H, Asasi K. Natural cases and an experimental study of H9N2 avian influenza in commercial broiler chickens of Iran. Avian Pathol. 2002; 31(3): 247-52.
24- Hassan KE, Shany SA, Ali A, Dahshan A-HM, Azza A, El-Kady MF. Prevalence of avian respiratory viruses in broiler flocks in Egypt. Poult Sci. 2016; 95(6): 1271-80.
25- Ebrahimi, Mohammad, Grigurian, Samuel, Mehrabadi F, Hosein M, et al. Serological survey of H9N2 influenza viruses in rural chicken of Northern provinces, Iran Vet Res Biol Prod. 2021; 34(1): 15-25 [In Persian].
26- Mahdavi Asl M, Soltani Alvar M, Pedram B. Survey of Simultaneous Contamination with Chicken Infectious Anemia Virus (CIAV) and Respiratory Complex Disease in Broiler Chicken of Shoushtar and Bavi City. Vet Histol. 2019; 7(3): 41-50 [In Persian].
27- Zamani Moghaddam A, Tahmasebi H, Hashemi Babaheidari H, Khosravi Farsani M, Kiani Salmi A. molecular detection of ornithobacterium rhinotracheale in broiler chickens with respiratory infection in Shahrekord. Vete Res Biol prod. 2012; 25(3): 41-4 [In Persian].
28- Darebaghi A, Emadi Chashmi H, Kafshdoozan H, Hoseini K. Molecular detection of avian metapenomovirus in Semnan broiler flocks by RT-PCR. Iran J Anim Med. 2021; 15(1): 27-34.