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Intestinal microbiota diversity from broilers with runting and stunting syndrome performed by metagenomics Avian Pathol. (IF 2.8) Pub Date : 2024-04-25 Dayse Helena Lages da Silva, Rodrigo Luiz Marques da Silva, Diego Lisboa Rios, Danielle da Glória de Souza, Flávia Aburjaile, Oliveiro Caetano de Freitas Neto, Leonardo José Camargos Lara, Matheus Dias Araújo, Roselene Ecco
Runting and stunting syndrome (RSS) is an enteric viral disease in commercial poultry that directly affects gut health; however, its influence on gut microbiota remains unknown. This study aimed to...
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Prevalence and Serotype of Poultry Salmonellosis in Africa: a Systemic Review and Meta-Analysis Avian Pathol. (IF 2.8) Pub Date : 2024-04-19 Tadele Kabeta, Tadele Tolosa, Luc Duchateau, Filip Van Immerseel, Gunther Antonissen
Salmonellosis represents a significant economic and public health concern for the poultry industry in Africa, leading to substantial economic losses due to mortality, reduced productivity, and food...
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Diagnostic investigation of Avian Reovirus Field Variants Circulating in Broiler Chickens in Pennsylvania of United States between 2017-2022 Avian Pathol. (IF 2.8) Pub Date : 2024-04-17 Muhammad Zubair Shabbir, Haiyang Yu, Megan E. Lighty, Patricia Ann Dunn, Eva A. Wallner-Pendleton, Huaguang Lu
Avian reovirus (ARV) has been continuously affecting the poultry industry in Pennsylvania in recent years. This report provides our diagnostic investigation on monitoring ARV field variants from br...
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Effects of Artemisia absinthium on broiler chicken coccidiosis: a systematic review and meta-analysis. Avian Pathol. (IF 2.8) Pub Date : 2024-04-15 Nadia Hezil, Djamila Baazize-Ammi, Amine Abdelli, Amel Adel, Seddik Kebbal, Ismail Gharbi, Rhéda Djezzar, Djamel Guetarni
Coccidiosis is a recurring disease in broiler flocks that causes significant economic losses. This study aims to evaluate the effect of Artemisia absinthium on coccidiosis in broilers through a sys...
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International Meetings, WVPA Matters and Announcements Avian Pathol. (IF 2.8) Pub Date : 2024-04-05
Published in Avian Pathology (Vol. 53, No. 3, 2024)
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Table of Contents Avian Pathol. (IF 2.8) Pub Date : 2024-04-05
Published in Avian Pathology (Vol. 53, No. 3, 2024)
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Extensive genetic and biological characterization of infectious bronchitis virus strain D2860 of genotype GVIII Avian Pathol. (IF 2.8) Pub Date : 2024-04-04 R.J. Molenaar, R. Dijkman, I Jorna, J.J. de Wita
Infectious bronchitis virus (IBV) strains of genotype GVIII have been emerging in Europe in the last decade, but no biological characterisation has been reported so far. This paper reports the exte...
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Identification of B cell epitopes located on the surface in PB2 protein of H9N2 subtype avian influenza virus Avian Pathol. (IF 2.8) Pub Date : 2024-04-02 Yiqin Cai, Guihu Yin, Xiangyu Huang, Jianing Hu, Zichen Gao, Xinyu Guo, Yawei Qiu, Haifeng Sun, Xiuli Feng
Avian influenza (AI) caused by H9N2 subtype avian influenza virus (AIV) poses a serious threat to poultry farming and public health due to the transmissibility and pathogenicity. The PB2 protein is...
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The financial cost of coccidiosis in Algerian chicken production: A major challenge for the poultry sector Avian Pathol. (IF 2.8) Pub Date : 2024-03-26 Abderrahmen Rahmani, Hamza Ahmed Laloui, Radhouane Kara, Mohamed Abdesselem Dems, Nora Cherb, Abdenour Klikha, Damer P. Blake
Coccidiosis caused by parasites of the genus Eimeria is a significant economic burden to the poultry industry. In this study, we conducted a comprehensive analysis to evaluate the financial losses ...
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Detection of Enterococcus cecorum to identify persistently contaminated locations using faecal and environmental samples in broiler houses of clinically healthy flocks Avian Pathol. (IF 2.8) Pub Date : 2024-03-25 Jesper Tessin, Arne Jung, Amanda Silberborth, Karl Rohn, Jochen Schulz, Christian Visscher, Nicole Kemper
Worldwide outbreaks make infections with pathogenic strains of Enterococcus cecorum (EC) one of the most important diseases in the broiler industry. Although research has increased knowledge about ...
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Interference between Escherichia coli genotypes from the E. coli peritonitis syndrome given simultaneously to productive SPF White Leghorn hens by intratracheal inoculation Avian Pathol. (IF 2.8) Pub Date : 2024-03-22 W. J. M. Landman, J. H. H. van Eck, A. E. Heuvelink
The purpose of the present study was to examine if potentiation of mortality occurred after simultaneous administration of several Escherichia coli genotypes, each capable to induce the E. coli per...
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Bioefficacy of dietary inclusion of Nannochloropsis oculata on Eimeria spp. challenged chicks: clinical approaches, meat quality, and molecular docking Avian Pathol. (IF 2.8) Pub Date : 2024-03-19 Marwa I. Abdel Haleem, Hanem F. Khater, Shimaa N. Edris, Hanan A.A. Taie, Samah M. Abdel Gawad, Nibal A. Hassan, Ali H. El-Far, Yasmeen Magdy, Sawsan S. Elbasuni
Although anticoccidial drugs have been used to treat avian coccidiosis for nearly a century, resistance, bird harm, and food residues have caused health concerns. Thus, Nannochloropsis oculata was ...
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Riemerella anatipestifer UvrC is required for iron utilization, biofilm formation and virulence Avian Pathol. (IF 2.8) Pub Date : 2024-02-29 Jialing Wang, Zuocheng Zou, Mengmeng Hu, Xinggen Shan, Ying Zhang, Yiqin Miao, XiaoYing Zhang, Nazrul Islam, Qinghai Hu
UvrC is a subunit of excinuclease ABC, which mediates nucleotide excision repair (NER) in bacteria. Our previous studies showed that transposon Tn4531 insertion in the UvrC encoding gene Riean_1413...
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Optimizing protocols for monitoring in vivo replication of a novel chimeric Marek’s disease vaccine with an insertion of the long terminal repeat of reticuloendotheliosis virus in the CVI988 strain genome (CVI-LTR) Avian Pathol. (IF 2.8) Pub Date : 2024-02-27 Nik M. Faiz, Aneg L. Cortes, Yuen-fun Phang, Isabel M. Gimeno
Monitoring Marek’s disease (MD) vaccination is routinely done by evaluating load of MD vaccine in the feather pulp (FP) between 7-10 days of age. However, attempts in our laboratory to detect a nov...
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Case reports involving coinfection with Avibacterium paragallinarum and Ornithobacterium rhinotracheale in broiler chickens and Avibacterium endocarditis in broiler breeding hens in Poland Avian Pathol. (IF 2.8) Pub Date : 2024-02-22 Dagmara Stępień-Pyśniak, Marta Dec, Tomasz Hauschild, Olimpia Kursa, Agnieszka Marek, Jarosław Wilczyński, Michał Brzeski
The study describes three clinical cases of infection with Avibacterium spp.. In case no. 1, respiratory clinical signs and high mortality (0.7–4.2% daily; total 21.2%) in broiler chickens Ross 308...
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Comparative examination of a rapid immunocytochemical test for the detection of highly pathogenic avian influenza virus in domestic birds, in field outbreaks. Avian Pathol. (IF 2.8) Pub Date : 2024-02-19 Levente Szeredi, Ákos Thuma, Éva Gyuris, Krisztina Ursu, Ádám Bálint, Norbert Solymosi
The quantitative real time reverse polymerase chain reaction (RRT-PCR) is to date the preferred test method for the diagnosis of avian influenza (AI), which can be performed only in specialized lab...
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Response of broilers to dietary inclusion of atoxigenic Aspergillus flavus strain as a biocontrol strategy of aflatoxin Avian Pathol. (IF 2.8) Pub Date : 2024-02-20 Abiola Olayemi Salako, Job Olutimehin Atteh, Taiwo Oladoye Akande, Isiaka Oyeniyi Kolade, Eunice Tayo Bajomo, Adejoke Adegoke
The objective of this trial was to evaluate how broilers responded to Aspergillus flavus strains that are toxigenic and atoxigenic. The study included four treatments in a 2 × 2 factorial design, w...
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Evaluating the dynamics and efficacy of a live, attenuated Mycoplasma anserisalpingitidis vaccine candidate under farm condition Avian Pathol. (IF 2.8) Pub Date : 2024-02-14 Dénes Grózner, Zsuzsa Kreizinger, Alexa Mitter, Katinka Bekő, Dominika Buni, Áron B. Kovács, Enikő Wehmann, Eszter Zsófia Nagy, Ádám Dobos, Ádám Dán, Nikolett Belecz, Karola Költő, Veronika Hrivnák, Lilla Udvari, Dorottya Földi, György Czifra, Márton Kiss, László Spitzmüller, Béla Molnár, Miklós Gyuranecz
The aim of the present study was to monitor the dynamics and to measure the safety and efficacy of a live, attenuated, thermosensitive Mycoplasma anserisalpingitidis vaccine candidate, namely MA271...
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Age-dependent development trends (models) of intestinal significant microbiota species and Eimeria oocysts in coccidia-challenged broiler chickens as affected by dietary encapsulated organic acids and anticoccidial drugs Avian Pathol. (IF 2.8) Pub Date : 2024-02-13 Ali Nouri
The study was conducted to investigate the effect of dietary encapsulated organic acids (EOAs) and anticoccidials on the age-dependent development trend of intestinal Lactobacillus, E. coli, Colifo...
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Isolation and whole genome sequencing of North American lineage class I avian orthoavulavirus 1 isolated from wild Eurasian teal in South Korea Avian Pathol. (IF 2.8) Pub Date : 2024-02-14 Tae-Hyeon Kim, Andrew Y. Cho, Sun-Hak Lee, Jei-Hyun Jeong, Chang-Seon Song, Justin Bahl, Dong-Hun Lee
We report the first North American origin class I avian orthoavulavirus 1 (AOAV-1) isolated from a faecal dropping of wild Eurasian teal (Anas crecca) in South Korea. Whole genome sequencing and co...
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Genome sequences of hemagglutinin cleavage site predict the pathogenicity phenotype of avian influenza virus: statistically validated data for facilitating rapid declarations and reducing reliance on in vivo testing Avian Pathol. (IF 2.8) Pub Date : 2024-02-12 Dong-Hun Lee, Mia K. Torchetti, Mary Lea Killian, Ian Brown, David E. Swayne
Based on the pathogenicity in chickens, most H1–H16 avian influenza (AI) viruses cause mild diseases, whereas some of the H5 and H7 AI viruses cause systemic disease. The number of basic amino acid...
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Effects of in ovo injection of bacterial peptides and CpG-ODN on Salmonella enterica serovar Heidelberg infection in specific pathogen-free (SPF) chicks Avian Pathol. (IF 2.8) Pub Date : 2024-02-09 Victória Veiga Alves, Letícia Cury Rocha Veloso Arantes, Dayse Helena Lages da Silva, Eric Santos Oliveira, Julia Figueiredo de Souza, Mailson Teixeira da Silva, Matheus Dias Araújo, Rodrigo Dias de Oliveira Carvalho, João Luís Reis Cunha, Leonardo José Camargos Lara, Roselene Ecco, Nelson Rodrigo da Silva Martins, Paul Andrew Barrow, Oliveiro Caetano de Freitas Neto
The increasing prevalence of pathogenic and antimicrobial-resistant isolates of Salmonella Heidelberg (SH) represents a global concern. Consequently, novel strategies for preventing and controlling...
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Novel lncRNA 803 related to Marek’s disease inhibits apoptosis of DF-1 cells Avian Pathol. (IF 2.8) Pub Date : 2024-02-07 Shuo Han, Shuang Zhao, Haile Ren, Qianqian Jiao, Xianjia Wu, Xinrui Hao, Mingchun Liu, Liping Han, Limei Han
Marek’s disease (MD) is a neoplastic disease that significantly affects the poultry industry. Long non-coding RNAs (lncRNAs) are crucial regulatory factors in various biological processes, includin...
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International Meetings, WVPA Matters and Announcements Avian Pathol. (IF 2.8) Pub Date : 2024-01-25
Published in Avian Pathology (Vol. 53, No. 2, 2024)
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Evaluation of the in vitro and in vivo efficiency of in-feed bacteriophage cocktail application to control Salmonella Typhimurium and Salmonella Enteritidis infection in broiler chicks Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Amir Hossein Pourabadeh, Seyed Ahmad Madani, Ruhollah Dorostkar, Mohammad Rezaeian, Hossein Esmaeili, Masoumeh Bolandian, Ali Salavati, Seyed Mohammad Mahdi Hashemian, Arezoo Aghahasani
The application of bacteriophages (BP) could be a possible method to control poultry salmonellosis. However, the sensitivity of field isolates to different phages can restrict their application in ...
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Comamonas testosteroni as the cause of mortality in embryonated chicken eggs of breeding broiler hens in Costa Rica Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Aida J. Chaves-Hernández, Elías Barquero-Calvo, Dioney Quesada-Vasquez, Carlos Chacón-Díaz
Mortality of chicken embryos and first-week chickens was reported in a commercial incubator company in Costa Rica. Six 1-day-old Cobb chickens and twenty-four embryonated chicken eggs were examined...
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Enterobacteriaceae and Enterococcaceae are the dominant bacterial families translocating to femur heads in broiler chicks Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Valerie Adriaensen, Filip Van Immerseel, Richard Ducatelle, Hannele Kettunen, Juhani Vuorenmaa, Evy Goossens
As a result of rapid growth of broilers, bacterial chondronecrosis with osteomyelitis has emerged in the last decade, with bacterial translocation from the gut to internal organs, including the fem...
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Characterization of natural co-infection with goose astrovirus genotypes I and II in gout affected goslings Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Qian Zhou, Yaqian Cui, Chenxiao Wang, Hanwen Wu, Haifeng Xiong, Kezong Qi, Hongmei Liu
In recent years, goose astrovirus (GoAstV) has emerged as the primary pathogen responsible for gout in goslings aged 1–20 days. This study presents a case of natural co-infection with GoAstV genoty...
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Enterococcus cecorum lesion strains are less sensitive to the hostile environment of albumen and more resistant to lysozyme compared to cloaca strains Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Thijs Manders, Lindert Benedictus, Mirlin Spaninks, Mieke Matthijs
Enterococcus cecorum lesion strains cause more embryonic mortality after inoculation into the albumen of embryonated eggs compared to cloaca strains. We hypothesized that these strain differences a...
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Geographic distribution and genetic diversity of Newcastle disease virus in pigeons from Pakistan Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Abdul Wajid, Quratulain Maqsood, Mourad Ben Said, Shahid Sherzada, Mohammed Nooruzzaman, Andleeb Batool, Renfu Yin, Mahmoud Sabra, Atif Hanif, Muhammad Azam Kakar, Tanveer Hussain, Nazeer Ahmed
Newcastle disease virus (NDV) is among the most important viruses of poultry; however, variants also cause clinical diseases in birds of the family Columbidae. From 2014 onwards, notable mortality ...
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Development of a unique sandwich enzyme-linked immunosorbent assay based on monoclonal antibodies for the specific detection of the egg drop syndrome virus Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Qiang Wei, Yanling Gao, Yunchao Liu, Qingmei Li, Qianyue Jin, Shujun Chai, Yapeng Song, Guangxu Xing, Gaiping Zhang
An abrupt decrease in egg production and quality in laying hens can be brought on by the avian adenovirus known as the egg drop syndrome virus (EDSV). So far, there are no efficient commercial diag...
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A real-time colourimetric reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay for the rapid detection of highly pathogenic H5 clade 2.3.4.4b avian influenza viruses Avian Pathol. (IF 2.8) Pub Date : 2024-01-25 Fabien Filaire, Aurélie Sécula, Laetitia Lebre, Guillaume Croville, Jean-Luc Guerin
Highly pathogenic avian influenza viruses (HPAIV) are a major threat to the global poultry industry and public health due to their zoonotic potential. Since 2016, Europe and France have faced major...
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A walk through the broiler breeder life: how do footpad dermatitis and gait scores develop from rearing to slaughter? Avian Pathol. (IF 2.8) Pub Date : 2024-01-22 Käthe Elise Kittelsen, Guro Vasdal, Ida Thøfner, Fernanda Tahamtani
The two most common animal-based indicators used to evaluate leg health in broiler chickens are footpad dermatitis (FPD) and gait scoring, but these indicators are less explored in broiler breeders...
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Epidemiological investigation of fowl adenovirus (FAdV) infections in ducks and geese in Shandong Province, China Avian Pathol. (IF 2.8) Pub Date : 2024-01-11 Bingrong Wu, Xiaoning Jiang, Dalin He, Feng Wei, Mingtian Mao, YuDong Zhu, Hong Su, Yi Tang, Youxiang Diao
Outbreaks of fowl adenoviruses (FAdVs) infection with the main clinical signs of hepatitis-hydropericardium-syndrome or inclusion body hepatitis have been frequently reported in ducks and geese in ...
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International Meetings, WVPA Matters and Announcements Avian Pathol. (IF 2.8) Pub Date : 2023-12-19
Published in Avian Pathology (Vol. 53, No. 1, 2024)
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Avian Diseases 67.3 Table of Contents Avian Pathol. (IF 2.8) Pub Date : 2023-12-19
Published in Avian Pathology (Vol. 53, No. 1, 2024)
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Comparative protective efficacy of a newly generated live recombinant thermostable highly attenuated vaccine rK148/GVII-F using a single regimen against lethal NDV GVII.1.1 Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Amal Abdallah Mouhamed, Jiho Lee, Deok-Hwan Kim, Chang-Seon Song
The ongoing global spread of Newcastle disease underscores the crucial need for continued research on the efficacy of current vaccines against various circulating strains of Newcastle disease virus...
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Comparative studies of xanthine oxidase inhibitors viz. allopurinol and febuxostat against induced hyperuricaemia in a poultry model Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Sanjiv Kumar, Madhurendu Kumar Gupta, Sanjit Kumar, Tanmoy Rana
In this study, an attempt was made to evaluate the relative efficacy of two important anti-gout agents, viz. allopurinol and febuxostat, in the control of hyperuricaemia/gout using a poultry model....
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STAT5-mediated transcription of miR-33-5p in Mycoplasma gallisepticum-infected DF-1 cells Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Yingfei Sun, Yingjie Wang, Lulu Wang, Mengyun Zou, Xiuli Peng
Mycoplasma gallisepticum (MG) represents the primary causative agent of chronic respiratory disease (CRD) in chickens. CRD is a prevalent ailment in the global poultry industry, resulting in substa...
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Molecular epidemiology of infectious bursal disease virus in the Near East and Persian Gulf regions Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Matteo Legnardi, Francesca Poletto, Safaa Alam, Abdallah Cherfane, Bertrand Le-Tallec, Giovanni Franzo, Claudia Maria Tucciarone, Caterina Lupini, Daniela Pasotto, Mattia Cecchinato
Infectious bursal disease virus (IBDV) is a ubiquitous immunosuppressive pathogen which is a severe burden to the poultry industry. Due to frequent mutation and reassortment events, its double-stra...
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Molecular assay for detecting MS-H vaccine strain and immune response mechanisms in chickens receiving one or two doses of live MS-H vaccine Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Kriengwich Limpavithayakul, Nataya Charoenvisal, Somsak Pakpinyo
The MS-H vaccine, containing a live strain of Mycoplasma synoviae, is a feasible option for controlling M. synoviae infection in poultry flocks. A comprehensive understanding of vaccinated chickens...
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A Salmonella Pullorum outbreak with neurological signs in adult layers and outbreak investigation using whole genome sequencing Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Robert Jan Molenaar, Remco Dijkman, Christiaan ter Veen, Annet Heuvelink, Fiona van Kaam, Marieke Augustijn, Anneke Feberwee
This report describes a Salmonella enterica subspecies enterica Serovar Gallinarum Biovar Pullorum (SP) outbreak in a Dutch laying flock of 65 weeks of age (W) showing increased mortality, decrease...
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The characterization and correlation between the phenotypic and genotypic resistance of Campylobacter spp. isolates from commercial broilers and native chickens in the south of Thailand Avian Pathol. (IF 2.8) Pub Date : 2023-12-19 Doan Hoang Phu, Ruethai Narinthorn, Nguyen Thi Nhung, Niwat Chansiripornchai, Patrick J. Blackall, Conny Turni, Juan Carrique-Mas, Thotsapol Thomrongsuwannakij
Chicken is a major reservoir and source of human infections from zoonotic Campylobacter. In southern Thailand, chicken is the most popular meat consumed; however, little is known about the antimicr...
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Visual detection of fowl adenovirus serotype 4 via a portable CRISPR/Cas13a-based lateral flow assay Avian Pathol. (IF 2.8) Pub Date : 2023-10-11 Dongdong Yin, Lei Yin, Jieru Wang, Yin Dai, Xuehuai Shen, Ruihong Zhao, Kezong Qi, Xiaocheng Pan
The widespread occurrence of fowl adenovirus serotype 4 (FAdV-4)-induced hepatitis-hydropericardium syndrome (HHS) has led to significant economic losses for the poultry industry. A sensitive, accu...
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International Meetings, Wvpa Matters and Announcements Avian Pathol. (IF 2.8) Pub Date : 2023-10-11
Published in Avian Pathology (Vol. 52, No. 6, 2023)
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Avian Diseases 67.2 Table of Contents Avian Pathol. (IF 2.8) Pub Date : 2023-10-11
Published in Avian Pathology (Vol. 52, No. 6, 2023)
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Genetic characterization of avian polyomaviruses identified from psittacine birds in South Korea Avian Pathol. (IF 2.8) Pub Date : 2023-09-06 Ye-Ji Yun, HyeSoon Song, Yong-Kuk Kwon, Choi-Kyu Park, Hye-Ryoung Kim
Budgerigar fledgling disease (BFD) is a contagious disease caused by avian polyomavirus (APV) in psittacine birds and causes high mortality rates. Here, eight APV-positive cases were confirmed from...
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Morphological, molecular, and pathological studies on Prosthogonimus cuneatus in Indian peacocks (Pavo cristatus) Avian Pathol. (IF 2.8) Pub Date : 2023-09-05 Asok Kumar Mariappan, Megha Sharma, Karikalan Mathesh, Vivek Srinivas Mouttou, Hiraram, Abhijeet Pawde, Dhama Kuldeep, Saikumar G
This report provides the first record of Prosthogonimus cuneatus infection in Indian peafowl. Chickens, turkeys, geese, ducks, and other pet birds are recognized as direct hosts of Prosthogonimus s...
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siRNA targeting Atp5a1 gene encoding ATPase α, the ligand of Peg fimbriae, reduced Salmonella Enteritidis adhesion Avian Pathol. (IF 2.8) Pub Date : 2023-09-04 Di Zhang, Yi Jiang, Yongyi Dong, Lixia Fu, Linlin Zhuang, Kun Wu, Xinhong Dou, Bu Xu, Chengming Wang, Jiansen Gong
Salmonella enterica serovar Enteritidis (S. Enteritidis) is a zoonotic pathogen that can infect both humans and animals. Among the 13 types of fimbrial operons in S. Enteritidis, the highly conserv...
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Co-circulation of multiple genotypes of ARV in poultry in Anhui, China Avian Pathol. (IF 2.8) Pub Date : 2023-08-29 Xiaoning Jiang, Feng Wei, Dalin He, Xing Niu, Bingrong Wu, Qiong Wu, Yi Tang, Youxiang Diao
Poultry production in China has been experiencing a high incidence of broiler arthritis /tenosynovitis caused by avian orthoreovirus (ARV) since 2013. In the spring of 2020 severe arthritis cases f...
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Phylogenetic analysis of Newcastle disease virus detected in Eritrea between 2017 and 2021 Avian Pathol. (IF 2.8) Pub Date : 2023-08-24 Bereket Mihreteab, Tebogo Kgotlele, Fitsum Neguse, Yodahi Petros, Habtom Habtemariam, Yordanos Berhane, Munir Wehab, Giovanni Cattoli, Irene K. Meki, William G. Dundon
Thirty-five samples collected from chickens in 13 commercial farms in Eritrea between 2017 and 2021 following reports of disease were screened for Newcastle disease virus. Seventeen samples (50%) w...
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International Meetings, WVPA Matters And Announcements Avian Pathol. (IF 2.8) Pub Date : 2023-08-23
Published in Avian Pathology (Vol. 52, No. 5, 2023)
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Molecular characterization and phylogenetic analysis of Marek’s disease virus in chickens from Ogun State, Nigeria Avian Pathol. (IF 2.8) Pub Date : 2023-08-22 E. B. Oluwayinka, E. B. Otesile, O. O. Oni, O. L. Ajayi, J. R. Dunn
Marek’s disease (MD) is caused by oncogenic MD virus serotype 1 (MDV1) and is characterized by lymphoproliferative lesions resulting in high morbidity and mortality in chickens. Despite being ubiqu...
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Identification of catalytically active domain epitopes in neuraminidase protein of H9N2 subtype of avian influenza virus Avian Pathol. (IF 2.8) Pub Date : 2023-08-15 Xiangyu Huang, Yiqin Cai, Guihu Yin, Zili Chen, Jianing Hu, Zichen Gao, Xinyu Guo, Fuqiang Xiong, Xiuli Feng
ABSTRACT H9N2 subtype of avian influenza virus (AIV) is primarily a bird virus, which is widespread in clinical avian disease, and reported in cases of human infection. As one of the surface proteins of AIV, the neuraminidase (NA) protein plays an important role mainly in viral budding. However, vaccine development and detection methods for NA of H9N2 AIVs are in urgent clinical need. In this study
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Phylodynamic approaches to studying avian influenza virus Avian Pathol. (IF 2.8) Pub Date : 2023-08-11 L. Carnegie, J. Raghwani, G. Fournié, S. C. Hill
ABSTRACT Avian influenza viruses can cause severe disease in domestic and wild birds and are a pandemic threat. Phylodynamics is the study of how epidemiological, evolutionary, and immunological processes can interact to shape viral phylogenies. This review summarizes how phylodynamic methods have and could contribute to the study of avian influenza viruses. Specifically, we assess how phylodynamics
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Molecular characterization of the HMTp210 gene of Avibacterium paragallinarum and the proposition of a new genotyping method as alternative for classical serotyping Avian Pathol. (IF 2.8) Pub Date : 2023-08-11 Rianne Buter, Anneke Feberwee, Sjaak de Wit, Annet Heuvelink, Ana da Silva, Rodrigo Gallardo, Edgardo Soriano Vargas, Stefan Swanepoel, Arne Jung, Mathias Tödte, Remco Dijkman
ABSTRACT Avibacterium paragallinarum (A. paragallinarum) is the aetiological agent of infectious coryza (IC) in chickens and characterized by acute respiratory distress and severe drop in egg production. Vaccination is important in the control of IC outbreaks and the efficacy of vaccination is dependent on A. paragallinarum serovars included in the vaccine. Classical serotyping of A. paragallinarum
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Live IBD vaccine exacerbates disease and pathological effects of Asian lineage H9N2 LPAIV in chickens Avian Pathol. (IF 2.8) Pub Date : 2023-07-26 N. W. Khalil, M. A. Elshorbagy, E. M. Elboraay, A. M. Helal
ABSTRACT Avian influenza H9N2 is one of the most commonly circulating viruses in numerous Egyptian poultry farms. The Asian lineage H9N2 exhibits an immunosuppressive effect, and its pathogenicity is amplified when it co-infects with other pathogens, especially with the immunosuppressive infectious bursal disease virus (IBDV), resulting in increased mortality rates. Both vaccines and field infection
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International Meetings, WVPA Matters and Announcements Avian Pathol. (IF 2.8) Pub Date : 2023-07-24
Published in Avian Pathology (Vol. 52, No. 4, 2023)
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Avian Diseases 67.1 Table of Contents Avian Pathol. (IF 2.8) Pub Date : 2023-07-24
Published in Avian Pathology (Vol. 52, No. 4, 2023)
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Effect of in-water administration of quorum system inhibitors in broilers’ productive performance and intestinal microbiome in a mild necrotic enteritis challenge Avian Pathol. (IF 2.8) Pub Date : 2023-07-24 A. S. Jaramillo-Jaramillo, T. J. D. Coulson, C. Hofacre, M. Jones, L. O’Neill, N. Nguyen, A. Labbe
ABSTRACT The poultry industry has been facing the impact of necrotic enteritis (NE), a disease caused by the bacterium Clostridium perfringens producing the haemolytic toxin NetB. NE severity may vary from mild clinical to prominent enteric signs causing reduced growth rates and affecting feed conversion ratio. NetB production is controlled by the Agr-like quorum-sensing (QS) system, which coordinates