Research Publications (Food Safety)

Fowl adenovirus serotype 11 (FAdV-11) is one of the primary causative agents of inclusion body hepatitis (IBH), which causes substantial economic losses in the world poultry industry. In this study, we characterized the genome of the fowl adenovirus serotype 11 (FAdV-11) isolate FJSW/2021. The full genome of FJSW/2021 was 44, 154 base pairs (bp) in length and had a similar organization to that of previously reported FAdV-11 isolates.

Previous studies have shown that avian hepatitis E virus (HEV) decreases egg production by 10-40% in laying hens, but have not fully elucidated the mechanism of there. In this study, we evaluated the replication of avian HEV in the ovaries of laying hens and the mechanism underlying the decrease in egg production. Forty 150-days-old commercial laying hens were randomly divided into 2 groups of 20 hens each.

The cytokine storm induced by duck hepatitis A virus type 1 (DHAV-1) infection significantly contributes to severe, rapid deaths and economic losses in the duck industry in Egypt. This study aimed to investigate the potential inhibitory effect of a nanoemulsion containing turmeric and black pepper oil on the immune response and pathogenesis of DHAV-1 in ducklings.

Duck hepatitis A virus type 1 (DHAV-1) can cause severe liver damage in infected ducklings and is a fatal and contagious pathogen that endangers the Chinese duck industry. The objective of this study was to explore the correlation mechanism of liver metabolism-gut microbiota in DHAV-1 infection.

Adenovirus serves as an excellent viral vector and is employed in vector vaccine research. Duck hepatitis A virus type 1 (DHAV1) and duck adenovirus type 3 (DAdV3) cause significant economic losses in the Chinese duck industry.

Owing to its high similarity to human hepatitis B virus (HBV), duck HBV (DHBV) is often used as an essential model for HBV research. Although inter-genotypic recombination of HBV is common, it remains unclear whether the inter-genotypic recombination of human HBV is exactly the same as that of DHBV. In this study, 119 serum samples of duck and goose were collected from 51 farms (29 duck and 22 goose farms) in the central and eastern regions of China.

Avian hepatitis E virus (avian HEV) increases poultry mortality and decreases egg production, leading to huge economic losses worldwide. However, there is no effective serological test for avian HEV. Researchers previously created a testing platform using the nanobody (Nb)-horseradish peroxidase (HRP) fusion protein as an ultrasensitive probe to develop competitive ELISA (cELISA) to detect antibodies against different animal viruses.

To investigate the prevalence of avian hepatitis E virus (HEV) in chickens and gather evidence of viral vertical transmission, we collected 288 cloacal swabs and 288 yolks samples from 12 farms with clinically healthy chickens in 4 different areas in Tai'an City, Shandong Province, China (i.e., Daiyue District, Xintai City, Feicheng City, and Ningyang County).

The nomenclature of duck viral hepatitis (DVH) was historically not a problem. However, fourteen hepatotropic viruses among ten different genera are associated with the same disease name, DVH. Therefore, the disease name increasingly lacks clarity and may no longer fit the scientific description of the disease. Because one disease should not be attributed to ten genera of viruses, this almost certainly causes misunderstanding regarding the disease-virus relationship.

Avian hepatitis E virus (HEV) is the major causative pathogen of the big liver and spleen disease, hepatitis-splenomegaly syndrome, and hepatic rupture hemorrhage syndrome. Until now, there are 6 different avian HEV genotypes that infect chickens have been reported worldwide.

Author(s): Nahed Yehia, Ahmed M. Erfan, Amany Adel, Ahmed El-Tayeb, Wafaa M.M. Hassan, Ahmed Samy, Mohamed E. Abd El-Hack, Mohamed T. El-Saadony, Khaled A. El-Tarabily, Kawkab A. Ahmed

Author(s): Yawen Zhang, Hui Zhao, Zengna Chi, Zhizhong Cui, Shuang Chang, Yixin Wang, Peng Zhao

Author(s): Zezheng Liu, Qian Ye, Anchun. Cheng, Xuming. Ou, Sai Mao, Di Sun, Shaqiu. Zhang, Xinxin. Zhao, Qiao Yang, Ying Wu, Juan Huang, Qun Gao, Bin Tian, Mingshu Wang

Author(s): Soo-Jeong Kye, Min-Ji Park, Na-Young Kim, Yu-Na Lee, Gyeong-Beom Heo, Yoon-Ki Baek, Jae-In Shin, Myoung-Heon Lee, Youn-Jeong Lee

Author(s): Linglin Su, Rui Wang, Tianxin Qiu, Jinli Wang, Jinwu Meng, Jinyue Zhu, Deyun Wang, Yi Wu, Jiaguo Liu

Author(s): Manman Dai, Shibing Li, Keyi Shi, Hui Sun, Li Zhao, Deshui Yu, Jiayu Liao, Chenggang Xu, Ming Liao

Author(s): S. Umar, M.A.A. Shah, M.T. Munir, M. Yaqoob, M. Fiaz, S. Anjum, K. Kaboudi, M. Bouzouaia, M. Younus, Q. Nisa, M. Iqbal, W. Umar

Author(s): Adeline Huneau-Salaün, Axelle Scoizec, Rodolphe Thomas, Sophie Le Bouquin

Author(s): Yani Sun, Qizhong Lu, Jingfei Zhang, Xiaoxuan Li, Jiakai Zhao, Wenqi Fan, Pinpin Ji, Kun Wang, En-Min Zhou, Qin Zhao

Author(s): Graham A.J. Redweik, Zachary R. Stromberg, Angelica Van Goor, Melha Mellata

Author(s): Nguyen Thi Bich Van, Nguyen Thi Phuong Yen, Nguyen Thi Nhung, Nguyen Van Cuong, Bach Tuan Kiet, Nguyen Van Hoang, Vo Be Hien, Niwat Chansiripornchai, Marc Choisy, Alexis Ribas, James Campbell, Guy Thwaites, Juan Carrique-Mas

Author(s): Ke Ming, Miao He, Linglin Su, Hongxu Du, Deyun Wang, Yi Wu, Jiaguo Liu

ABSTRACT Low pathogenicity avian influenza (LPAI) H9N2, highly pathogenic avian influenza (HPAI) H5N1, and H5N8 circulate in Egyptian poultry and cause veterinary and public health burdens. In response, AIV vaccines are commonly used. The main objective of this study was to develop a broad, cross-protective, trivalent vaccine based on circulating AIVs in Egypt.

ABSTRACT Duck hepatitis A virus (DHAV) is one of the pathogens that cause fatal duck viral hepatitis (DVH) in ducklings, which is an acute and contagious disease with a high mortality rate. Despite a continuing official duck vaccination program, DHAV infection remains a major threat to the duck industry. Considerable changes were observed in the epidemiology of DHAV-1/-3 in China over time.

ABSTRACT One natural recombinant avian leukosis virus (ALV) strain GX14DJ3–18 was isolated from a native gamecock by DF-1 cell culture and identified with Polymerase Chain Reaction (PCR), immunofluorescence assay and the viral genome's nucleotide sequencing.