The emergence, evolution and spread of infectious bronchitis virus genotype GI-23
Avian infectious bronchitis is a contagious viral disease, caused by avian infectious
bronchitis virus (IBV), that leads to severe losses in the poultry industry all over the world …
bronchitis virus (IBV), that leads to severe losses in the poultry industry all over the world …
Towards improved use of vaccination in the control of infectious bronchitis and Newcastle disease in poultry: understanding the immunological mechanisms
Infectious bronchitis (IB) and Newcastle disease (ND) are two important diseases of poultry
and have remained a threat to the development of the poultry industry in many parts of the …
and have remained a threat to the development of the poultry industry in many parts of the …
Protective efficacy of different live attenuated infectious bronchitis virus vaccination regimes against challenge with IBV variant-2 circulating in the Middle East
HA Sultan, A Ali, WK El Feil, AHI Bazid… - Frontiers in veterinary …, 2019 - frontiersin.org
Six vaccination regimes using classical (Mass-type) and variant (IB-VAR2 and IB-793B) live
vaccines were evaluated against Middle Eastern variant-2 infectious bronchitis virus …
vaccines were evaluated against Middle Eastern variant-2 infectious bronchitis virus …
Efficacy of the Newcastle disease virus genotype VII. 1.1-matched vaccines in commercial broilers
HA Sultan, WK Elfeil, AA Nour, L Tantawy, EG Kamel… - Vaccines, 2021 - mdpi.com
Class II genotype VII Newcastle disease viruses (NDV) are predominant in the Middle East
and Asia despite intensive vaccination programs using conventional live and inactivated …
and Asia despite intensive vaccination programs using conventional live and inactivated …
Comparison of the effectiveness of two different vaccination regimes for avian influenza H9N2 in broiler chicken
Simple Summary The low pathogenic avian influenza H9N2 virus has been associated with
severe economic losses in broiler chicken flocks. Problems associated with its control …
severe economic losses in broiler chicken flocks. Problems associated with its control …
Experimental infection of Clades 2.2. 1.2 (H5N1) and 2.3. 4.4 b (H5N8) of highly pathogenic avian influenza virus infection in commercial broilers
HA Sultan, S Talaat, SAM Amer, L Tantawy… - … and infectious diseases, 2024 - Elsevier
In this study the pathogenicity, infectivity, and transmissibility of H5N1 highly pathogenic
avian influenza (HPAI) clade 2.2. 1.2 and H5N8 HPAI clade 2.3. 4.4 b viruses were …
avian influenza (HPAI) clade 2.2. 1.2 and H5N8 HPAI clade 2.3. 4.4 b viruses were …
A recombinant La Sota vaccine strain expressing multiple epitopes of infectious bronchitis virus (IBV) protects specific pathogen-free (SPF) chickens against IBV and …
L Tan, G Wen, X Qiu, Y Yuan, C Meng, Y Sun, Y Liao… - Vaccines, 2019 - mdpi.com
Infectious bronchitis (IB) and Newcastle disease (ND) are two major infectious diseases that
are a threat to the domestic poultry industry. In this study, we successfully generated a …
are a threat to the domestic poultry industry. In this study, we successfully generated a …
Follow up of maternally derived antibodies titer against economically important viral diseases of chicken.
The study was conducted to know the rate of maternally derived antibodies (MDAs) transfer
from parents to their offspring and declining the MDAs in their chicks at 0, 7, 14, and 21 days …
from parents to their offspring and declining the MDAs in their chicks at 0, 7, 14, and 21 days …
[HTML][HTML] Research Note: First evidence of infectious bronchitis virus Middle-East GI-23 lineage (Var2-like) in Germany
S Fischer, D Klosterhalfen, FWS Kump, M Casteel - Poultry science, 2020 - Elsevier
The infectious bronchitis virus Middle-East GI-23 lineage (Var2-like) was observed on a
German broiler farm, for the first time. The animals suffered from respiratory and …
German broiler farm, for the first time. The animals suffered from respiratory and …
Evaluation of different heterologous-homologous vaccine regimens against challenge with GI-23 lineage infectious bronchitis virus
This study assesses different IBV vaccination regimens in broiler chickens using
commercially available live attenuated GI-23 (Egyptian-VAR2) and GI-1 (H120) vaccines …
commercially available live attenuated GI-23 (Egyptian-VAR2) and GI-1 (H120) vaccines …