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Alemu EE, Senbata B, Sombo M, Guyassa C, Alemayehu DH, Kidane E, Mihret A, Mulu A, Dinka H. Molecular Detection and Characterization of Newcastle Disease Virus from Chickens in Mid-Rift Valley and Central Part of Ethiopia. VETERINARY MEDICINE (AUCKLAND, N.Z.) 2024; 15:149-157. [PMID: 38737422 PMCID: PMC11088824 DOI: 10.2147/vmrr.s442787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 04/24/2024] [Indexed: 05/14/2024]
Abstract
Background Newcastle disease (ND) is a highly infectious poultry disease that causes major economic losses worldwide. The disease is caused by Newcastle Disease Virus (NDV) and early detection and identification of the viral strain is essential. Having knowledge of the NDV strain genotype that circulates in some regions would help in designing an effective vaccine to control the disease. In this regard, there is little information on NDV strain in chickens in mid Rift Valley and the central part of Ethiopia. Therefore, the purpose of this study was to detect and characterize NDV strain genotype from chickens in mid-Rift Valley and the central part of Ethiopia and test whether this NDV strain genotype matches the vaccine strain currently used in the study area. Methods A total of 98 samples: 78 (tracheal and cloacal) swabs from chicken pools of five and 20 tissue samples were collected. To detect NDV strain, conserved region of the virus Matrix (M) gene was amplified by qRT-PCR. To characterize NDV strain genotypes, M-gene positive samples were specifically re-amplified by conventional PCR targeting the Fusion (F) gene region and sequenced by Sanger method. Results 13.26% of tested samples were positive for NDV strain in the study area with statistically significant difference (P<0.05) among the study sites. Further characterization of the F genes from NDV strain isolates by phylogenetic analysis indicated that one field isolate clustered with genotype VII whereas three of the isolates clustered to genotype I, II, and III. The isolate of the current NDV strain vaccine in use in the study area clustered with genotype II. Conclusion The current study indicates the existence of different NDV strain genotype from that of the vaccine strain currently used. Even though large-scale characterization of several isolates is required at national level, the current study laid baseline information for the existence of variations between field NDV strain genotype and vaccine strain currently used against ND in the country.
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Affiliation(s)
- Esubalew Endale Alemu
- Department of Applied Biology, Adama Science and Technology University, Adama, Ethiopia
| | - Bayeta Senbata
- Molecular Biology Laboratory, Animal Health Institute (AHI), Sebeta, Ethiopia
| | - Melaku Sombo
- Molecular Biology Laboratory, Animal Health Institute (AHI), Sebeta, Ethiopia
| | - Chala Guyassa
- Molecular Biology Laboratory, Animal Health Institute (AHI), Sebeta, Ethiopia
| | - Dawit Hailu Alemayehu
- Biotechnology and Bioinformatics Research Directorate, Armauer Hansen Research Institute (AHRI), Addis Ababa, Ethiopia
| | - Eleni Kidane
- TB and HIV/AIDS Disease Research Directorate, Ethiopian Public Health Institute (EPHI), Addis Ababa, Ethiopia
| | - Adane Mihret
- Biotechnology and Bioinformatics Research Directorate, Armauer Hansen Research Institute (AHRI), Addis Ababa, Ethiopia
| | - Andargachew Mulu
- Biotechnology and Bioinformatics Research Directorate, Armauer Hansen Research Institute (AHRI), Addis Ababa, Ethiopia
| | - Hunduma Dinka
- Department of Applied Biology, Adama Science and Technology University, Adama, Ethiopia
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Abdallah Mouhamed A, Lee J, Kim DH, Song CS. 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 2024; 53:14-32. [PMID: 38009206 DOI: 10.1080/03079457.2023.2263395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 09/20/2023] [Indexed: 11/28/2023]
Abstract
RESEARCH HIGHLIGHTS A thermostable, safe, and effective NDV GVII recombinant vaccine was generated.Fusion gene replacement with GVII did not affect GI K148/08 virus thermostability.Strain rK148/GVII-F provided adequate protection against a lethal NDV challenge.Oropharyngeal shedding was significantly reduced on post-challenge days 5 and 7.
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Affiliation(s)
- Amal Abdallah Mouhamed
- Department of Avian Diseases, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
- Department of Avian Disease and Infectious Disease, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Jiho Lee
- Department of Avian Disease and Infectious Disease, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | | | - Chang-Seon Song
- Department of Avian Disease and Infectious Disease, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
- KHAV Co. Ltd., Seoul, Republic of Korea
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Aworinde HO, Adebayo S, Akinwunmi AO, Alabi OM, Ayandiji A, Sakpere AB, Oyebamiji AK, Olaide O, Kizito E, Olawuyi AJ. Poultry fecal imagery dataset for health status prediction: A case of South-West Nigeria. Data Brief 2023; 50:109517. [PMID: 37674505 PMCID: PMC10477973 DOI: 10.1016/j.dib.2023.109517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 09/08/2023] Open
Abstract
Feces is one quick way to determine the health status of the birds and farmers rely on years of experience as well as professionals to identify and diagnose poultry diseases. Most often, farmers lose their flocks as a result of delayed diagnosis or a lack of trustworthy experts. Prevalent diseases affecting poultry birds may be quickly noticed from image of poultry bird's droppings using artificial intelligence based on computer vision and image analysis. This paper provides description of a dataset of both healthy and unhealthy poultry fecal imagery captured from selected poultry farms in south-west of Nigeria using smartphone camera. The dataset was collected at different times of the day to account for variability in light intensity and can be applied in machine learning models development for abnormality detection in poultry farms. The dataset collected is 19,155 images; however, after preprocessing which encompasses cleaning, segmentation and removal of duplicates, the data strength is 14,618 labeled images. Each image is 100 by 100 pixels size in jpeg format. Additionally, computer vision applications like picture segmentation, object detection, and classification can be supported by the dataset. This dataset's creation is intended to aid in the creation of comprehensive tools that will aid farmers and agricultural extension agents in managing poultry farms in an effort to minimize loss and, as a result, optimize profit as well as the sustainability of protein sources.
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Affiliation(s)
| | - Segun Adebayo
- College of Agriculture, Engineering and Science, Bowen University, Iwo, Nigeria
| | | | - Olufemi M. Alabi
- College of Agriculture, Engineering and Science, Bowen University, Iwo, Nigeria
| | - Adebamiji Ayandiji
- College of Agriculture, Engineering and Science, Bowen University, Iwo, Nigeria
| | | | - Abel K. Oyebamiji
- College of Agriculture, Engineering and Science, Bowen University, Iwo, Nigeria
| | - Oke Olaide
- College of Computing and Communication Studies, Bowen University, Iwo, Nigeria
| | - Ezenma Kizito
- College of Computing and Communication Studies, Bowen University, Iwo, Nigeria
| | - Abayomi J. Olawuyi
- College of Computing and Communication Studies, Bowen University, Iwo, Nigeria
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4
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Betela Y, Hailegebreal G, Shiferaw D. Epidemiology of newcastle disease in village chicken in melokoza district, gofa zone, southwest Ethiopia. Heliyon 2023; 9:e14384. [PMID: 36942219 PMCID: PMC10023967 DOI: 10.1016/j.heliyon.2023.e14384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 12/12/2022] [Accepted: 03/02/2023] [Indexed: 03/11/2023] Open
Abstract
Poultry production contributes significantly to the livelihoods of Ethiopian farmers and the national economy, although it is hampered by different factors, including infectious diseases. A cross-sectional study was conducted from December 2019 to May 2020 in Melokoza District, Gofa Zone, Ethiopia. The objectives of the study were to estimate the seroprevalence of Newcastle disease in unvaccinated chickens and to identify the risk factors associated with the disease. A systematic random sampling technique was employed to select chickens from individual chicken owners. A total of 405 blood samples were collected and submitted to the national veterinary institute in Bishoftu, Ethiopia. Hemaglutination inhibition test was performed to detect antibodies from the collected chickens' serum. Both univariable and multivariable logistic regression analyses were performed by using the STATA statistical software package. The test result showed that the overall seroprevalence was 68.8% (95% CI: 64%, 73%). The highest seroprevalence of 86% (58/67) was recorded in Gazar kebele (lowland), whereas the lowest seroprevalence of 45% (32/71) was recorded in Maizelo (highland). Sex, age, altitude and management practice risk factors showed significant associations (p < 0.05) with the disease prevalence. In conclusion, this study emphasized the prevailing higher prevalence of Newcastle disease in free-scavenging chickens. Regular vaccination for Newcastle disease is therefore recommended. Further studies are warranted to better understand the circulating strain and its economic effect on backyard poultry production in the study area.
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Affiliation(s)
- Yohannis Betela
- Melo Koza District Livestock and Fishery Development Office, Ethiopia
| | - Gizachew Hailegebreal
- Faculty of Veterinary Medicine, Hawassa University, P.O.Box, 05, Hawassa, Ethiopia
- Corresponding author.
| | - Dessie Shiferaw
- Faculty of Veterinary Medicine, Hawassa University, P.O.Box, 05, Hawassa, Ethiopia
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Wodajo W, Mohammed N, Tora E, Seyoum W. Sero-prevalence of Newcastle disease and associated risk factors in chickens at backyard chicken production Kindo Koisha, Wolaita zone, Southern Ethiopia. Front Vet Sci 2023; 9:1089931. [PMID: 36699327 PMCID: PMC9868296 DOI: 10.3389/fvets.2022.1089931] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/16/2022] [Indexed: 01/11/2023] Open
Abstract
Newcastle disease (ND) is a serious infectious disease of poultry caused by virulent strains of Avian Paramyxovirus-1 and has a substantial impact on villages where people's livelihood depends upon poultry farming in several developing countries including Ethiopia. In the district of the study area, no previous studies have been conducted. Thus, the aim of the present study was to estimate individual and household flock level seroprevalence and risk factors for ND in unvaccinated backyard chickens in Kindo Koisha district, Wolaita zone, Ethiopia. A cross-sectional study design was conducted. For the study, household flocks were sampled as a cluster, and backyard chickens within the cluster with an age of more than 3 months were sampled. A total of 598 blood samples were collected from 86 household flocks during the study period. Serum samples were tested for ND antibodies using an Indirect-Enzyme Linked Immuno Sorbent Assay. The overall seroprevalence of ND virus at individual and flock level was 17.06% (95% CI: 14.25-20.29%) and 73.26% (95% CI: 62.79-81.64%), respectively. The ND seropositivity and associated risk factors were assessed at the individual bird and flock level by using ordinary and mixed effect logistic regression, respectively. Ordinary logistic regression revealed that crossbreed chickens had significantly higher odds of ND seropositivity than local breeds, with an odds ratio of 2.15 (95% CI: 1.54-3.00; p < 0.001). The odds of ND seropositivity was significantly higher in backyard chickens which belongs flock size >9 in comparison to <9 with an odds ratio of 3.7 (95% CI: 1.12-12.30; p < 0.031). The potential flock level risk factors related to ND seropositivity in this study were flock size, chicken house cleaning frequency, water source for chickens, dead chicken disposal practice, and distance to the next neighbor household, mixing with wild birds and owning pets. In conclusion, the current study generates significant information on the seroprevalence and the potential risk factors associated with ND at individual and flock level in Kindo Koisha district, Wolaita zone. Consequently, ND vaccination campaigns should be launched, and effective extension programs should also be provided to raise awareness about the disease.
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Affiliation(s)
- Wondimu Wodajo
- Wolaita Sodo Regional Veterinary Laboratory, Department of Microbiology, Wolaita Sodo, Ethiopia
| | - Nejib Mohammed
- Department of Animal Sciences, Arba Minch University, Arba Minch, Ethiopia
| | - Ephrem Tora
- Department of Animal Sciences, Arba Minch University, Arba Minch, Ethiopia,*Correspondence: Ephrem Tora ✉
| | - Wasihun Seyoum
- Department of Animal Sciences, Arba Minch University, Arba Minch, Ethiopia
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Awais M, Wajid A, Goraichuk IV, Batool A, Rahim A, Anif A, Ahmed N, Yin R. Surveillance and Assessment of Risk Factors for Newcastle Disease Virus from Live Bird Retail Stalls in Lahore District of Pakistan. Avian Dis 2022; 66:1-8. [PMID: 36017908 DOI: 10.1637/aviandiseases-d-22-00010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 05/24/2022] [Indexed: 12/14/2022]
Abstract
Live bird markets (LBMs) in Asian countries are considered hubs for the spread of several poultry viruses. In Pakistan, there is a lack of uniformity in practices used in LBMs, which leads to the spread of poultry diseases. A cross-sectional survey was conducted in June-October 2017 to determine the circulation of Newcastle disease virus (NDV) in chickens being sold in live bird retail stalls (LBRSs) and to identify potential risk factors associated with estimated prevalence. A total of 189 stalls (n = 1134 birds) distributed in eight administrative towns of Lahore were visited. A pool of six oropharyngeal swabs was collected from each stall and tested by real-time reverse transcriptase PCR for the presence of NDV. Forty-two out of 189 swabs were found positive with an overall prevalence of 22.22% (95% confidence interval [Cl]: 16.88%-28.67%). Data for 11 potential risk factors acquired through questionnaires were analyzed by survey-weighted logistic regression and prevalence odds ratios (ORs) for associated risk factors were calculated. A final multivariable model identified three risk factors for NDV prevalence in LBRSs, including trading other poultry breeds alongside broilers (OR = 2.41; 95% confidence interval [CI] = 1.5-6.1), purchasing birds from mixed sources (OR = 3.12; 95% CI = 1.4-11.9), and number of birds sold per day (OR = 6.32; 95% CI = 1.9-23.5). Additionally, 24 selected samples were sequenced and phylogenetic analysis of the complete fusion gene (1662 bp) revealed that all isolates belonged to Subgenotype VII.2. This study provides important information on the epidemiology of NDV in Pakistan and highlights the importance of implementing surveillance and biosecurity practices in LBRSs.
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Affiliation(s)
- Muhammad Awais
- Department of Biotechnology, Virtual University of Pakistan, Lahore, Pakistan
| | - Abdul Wajid
- Department of Biotechnology, Virtual University of Pakistan, Lahore, Pakistan, , .,Department of Biotechnology, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta, Pakistan
| | - Iryna V Goraichuk
- National Scientific Center, Institute of Experimental and Clinical Veterinary Medicine, Kharkiv, Ukraine
| | - Andleeb Batool
- Department of Zoology, Government College University, Lahore, Pakistan
| | - Asif Rahim
- Department of Microbiology, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta, Pakistan
| | - Atif Anif
- Department of Botany and Microbiology, King Saud University, Riyadh, Saudi Arabia
| | - Nazeer Ahmed
- Department of Biotechnology, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta, Pakistan
| | - Renfu Yin
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, Xi'an, Jilin, China
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Zegeye A, Temesgen W, Molla W, Setotaw H, Lakew M. Epidemiology of Newcastle disease in chickens of Ethiopia: a systematic review and meta-analysis. Trop Anim Health Prod 2022; 54:328. [PMID: 36173467 DOI: 10.1007/s11250-022-03330-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 08/31/2022] [Indexed: 10/14/2022]
Abstract
The objective of this systematic review was to estimate the overall pooled prevalence of Newcastle disease in chickens in Ethiopia and identify the sources of heterogeneity among and within studies. The seroprevalence of Newcastle disease was estimated using a single-group meta-analysis. Attempts were also made to identify study-level variables that could explain the heterogeneity in the apparent seroprevalence of the Newcastle disease. The findings were based on 16 published articles and 33 district-level reports and were limited to studies performed during 2005-2017. Due to the presence of heterogeneity, pooled analysis from different districts was conducted using random-effects meta-analysis. The single-group summary of Newcastle disease seroprevalence in chickens was estimated to be 21.47% (19.54-23.4%) with a 95% confidence interval. Our results indicated high inter-study variability (Cochran's Q statistic = 196.2, true variance (τ2) = 0.36, inverse variance index (I2) = 90.0%, p < 0.001). Of all variables analysed, diagnostic techniques and regions were the most significant predictors (p ˂ 0.05) of heterogeneity. According to the diagnostic technique-based meta-analysis of random pooled prevalence, the haemagglutination inhibition test had the highest prevalence, followed by the enzyme-linked immunosorbent assay. In conclusion, the high-pooled prevalence estimates of the disease, combined with the scarcity of published data for the entire country of Ethiopia, indicate a significant data gap on the distribution of Newcastle disease in the country. While the high pooled prevalence tells the need for intervention to control the disease, there is also a need to assess the disease prevalence in all other parts of the country.
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Affiliation(s)
- Asres Zegeye
- Sirinka Agricultural Research Center, P.O. Box 74, Woldia, Ethiopia.,Department of Veterinary Epidemiology and Public Health, College of Veterinary Medicine and Animal Sciences, University of Gondar, P.O. Box 196, Gondar, Ethiopia
| | - Wudu Temesgen
- Department of Veterinary Epidemiology and Public Health, College of Veterinary Medicine and Animal Sciences, University of Gondar, P.O. Box 196, Gondar, Ethiopia
| | - Wassie Molla
- Department of Veterinary Epidemiology and Public Health, College of Veterinary Medicine and Animal Sciences, University of Gondar, P.O. Box 196, Gondar, Ethiopia
| | - Haimanot Setotaw
- College of Agriculture, Wollo University, P.O. Box 1145, Dessie, Ethiopia
| | - Mesfin Lakew
- Amhara Agricultural Research Institute, P.O. Box 527, Bahir Dar, Ethiopia.
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Machuve D, Nwankwo E, Mduma N, Mbelwa J. Poultry diseases diagnostics models using deep learning. Front Artif Intell 2022; 5:733345. [PMID: 35978651 PMCID: PMC9376463 DOI: 10.3389/frai.2022.733345] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 07/06/2022] [Indexed: 11/16/2022] Open
Abstract
Coccidiosis, Salmonella, and Newcastle are the common poultry diseases that curtail poultry production if they are not detected early. In Tanzania, these diseases are not detected early due to limited access to agricultural support services by poultry farmers. Deep learning techniques have the potential for early diagnosis of these poultry diseases. In this study, a deep Convolutional Neural Network (CNN) model was developed to diagnose poultry diseases by classifying healthy and unhealthy fecal images. Unhealthy fecal images may be symptomatic of Coccidiosis, Salmonella, and Newcastle diseases. We collected 1,255 laboratory-labeled fecal images and fecal samples used in Polymerase Chain Reaction diagnostics to annotate the laboratory-labeled fecal images. We took 6,812 poultry fecal photos using an Open Data Kit. Agricultural support experts annotated the farm-labeled fecal images. Then we used a baseline CNN model, VGG16, InceptionV3, MobileNetV2, and Xception models. We trained models using farm and laboratory-labeled fecal images and then fine-tuned them. The test set used farm-labeled images. The test accuracies results without fine-tuning were 83.06% for the baseline CNN, 85.85% for VGG16, 94.79% for InceptionV3, 87.46% for MobileNetV2, and 88.27% for Xception. Finetuning while freezing the batch normalization layer improved model accuracies, resulting in 95.01% for VGG16, 95.45% for InceptionV3, 98.02% for MobileNetV2, and 98.24% for Xception, with F1 scores for all classifiers above 75% in all four classes. Given the lighter weight of the trained MobileNetV2 and its better ability to generalize, we recommend deploying this model for the early detection of poultry diseases at the farm level.
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Affiliation(s)
- Dina Machuve
- Department of IT Systems Development and Management, Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
- *Correspondence: Dina Machuve
| | - Ezinne Nwankwo
- Department of Electrical Engineering and Computer Science, University of California, Berkeley, Berkeley, CA, United States
| | - Neema Mduma
- Department of IT Systems Development and Management, Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania
| | - Jimmy Mbelwa
- Department of Computer Science and Engineering, University of Dar es Salaam, Dar es Salaam, Tanzania
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Epidemiology of Newcastle disease in poultry in Africa: systematic review and meta-analysis. Trop Anim Health Prod 2022; 54:214. [PMID: 35705876 DOI: 10.1007/s11250-022-03198-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/25/2022] [Indexed: 10/18/2022]
Abstract
The present study intended to determine the prevalence of Newcastle disease in unvaccinated backyard poultry in Africa. Using the PRISMA approach, a systematic review and meta-analysis of 107 epidemiological studies was conducted. The meta-analysis identified significant variation of both seroprevalence (I2 = 99.38, P = 0.00) and Newcastle disease virus prevalence (I2 = 99.52, P = 0.00) reported in various studies included in this review. Publication bias was not detected in either case. Seroprevalence of Newcastle disease was 40.2 (95%CI 32.9-47.8). Seroprevalence was significantly influenced by sampling frame and the African region where the studies were conducted. The prevalence of Newcastle disease virus (NDV) was 12% (95%CI 7.3-17.8), and the variation was influenced by sampling frame, diagnostic test, and regions where the studies were conducted. Also, Newcastle disease (ND) accounted for 33.1% (95%CI 11.9-58.1) of sick chickens. Results also indicated that genotypes VI and VII are widely distributed in all countries included in the study. However, genotype V is restricted in East Africa, and genotypes XIV, XVII, and XVIII are restricted in West and Central Africa. On the other hand, genotype XI occurs in Madagascar only. In addition, virulent genotypes were isolated from apparently healthy and sick birds. It is concluded that several genotypes of NDV are circulating and maintained within the poultry population. African countries should therefore strengthen surveillance systems, be able to study the viruses circulating in their territories, and establish control programs.
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Wayou BA, Kassa GM, Pasotto D, Sori T, Tucciarone CM, Cecchinato M. Molecular Survey of Viral Poultry Diseases with an Indirect Public Health Significance in Central Ethiopia. Animals (Basel) 2021; 11:ani11123564. [PMID: 34944338 PMCID: PMC8697989 DOI: 10.3390/ani11123564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Poultry production is increasing, in Ethiopia as well, and poultry is an extremely valuable food resource. This survey investigated the presence of important viral pathogens in poultry (infectious bronchitis virus (IBV), avian metapneumovirus (aMPV), infectious bursal disease virus (IBDV) and Newcastle disease virus (NDV)) using biomolecular assays and sequencing. The results suggested a low circulation of these pathogens, probably owing to vaccination strategies. A routine diagnostic activity should be planned to monitor pathogen circulation and support disease prevention and production levels. Abstract The importance of poultry production is globally increasing, in Ethiopia as well, where high-quality protein and contained costs make poultry a valuable food resource. However, this entails some problems linked to rural, backyard and intensively reared flock proximity and pathogen circulation. This study is aimed at monitoring the presence of important viral pathogens in poultry (infectious bronchitis virus (IBV), avian metapneumovirus (aMPV), infectious bursal disease virus (IBDV) and Newcastle disease virus (NDV)) in Ethiopia. Respiratory and cloacal swabs and bursa of Fabricius and kidney imprints on FTA cards were collected in 2021 from 16 farms and tested for IBV, aMPV, NDV and IBDV. One farm was positive for IBDV, resulting in strains similar to those present in vaccines, belonging to genogroup A1a; two farms were positive for IBV but, due to sensitivity limits, only one sample was sequenced, resulting in a 4/91-like strain (GI-13); a layer farm tested positive for NDV with a Lasota-like vaccine strain. These findings suggest a low presence of these pathogens, probably due to the implementation of vaccination strategies, which is also testified by the detection of vaccine strains. A close diagnostic activity should be implemented on a routine basis in order to monitor pathogen circulation, ameliorate biosecurity measures and protect animal health and production levels.
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Affiliation(s)
- Behailu Assefa Wayou
- Department of Veterinary Microbiology Immunology and Public Health, College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu P.O. Box 34, Ethiopia; (B.A.W.); (G.M.K.)
| | - Gezahegne Mamo Kassa
- Department of Veterinary Microbiology Immunology and Public Health, College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu P.O. Box 34, Ethiopia; (B.A.W.); (G.M.K.)
| | - Daniela Pasotto
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (C.M.T.); (M.C.)
- Correspondence:
| | - Teshale Sori
- Department of Clinical Studies, College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu P.O. Box 34, Ethiopia;
| | - Claudia Maria Tucciarone
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (C.M.T.); (M.C.)
| | - Mattia Cecchinato
- Department of Animal Medicine, Production and Health, University of Padua, 35020 Legnaro, Italy; (C.M.T.); (M.C.)
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11
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Bari FD, Gelaye E, Tekola BG, Harder T, Beer M, Grund C. Antigenic and Molecular Characterization of Virulent Newcastle Disease Viruses Circulating in Ethiopia Between 1976 and 2008. VETERINARY MEDICINE-RESEARCH AND REPORTS 2021; 12:129-140. [PMID: 34113553 PMCID: PMC8187085 DOI: 10.2147/vmrr.s297281] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 05/13/2021] [Indexed: 11/25/2022]
Abstract
Introduction Newcastle disease virus (NDV) cultures held in the isolate collections in Ethiopia between 1976 and 2008 were not characterized using biological and molecular techniques. The already characterized NDV isolates belonged to genotype VI but the genetic nature of previously collected isolates, which could shade light on the history of introduction into the country and their evolutionary relationships, were not established. Methods A total of 14 NDVs (11 obtained from outbreak cases in chickens and three commercial vaccinal strains used in the country) were inoculated into specific pathogen free (SPF) embryonated chicken eggs (ECE). Allantoic fluids harvested from grown SPF ECE were tested by heamagglutination (HA) and heamagglutination inhibition (HI) tests. Partial F gene sequences were generated for all samples and molecular evolutionary relationships were reconstructed together with reference sequences freely available online. The pathogenicities of the isolates were assessed in vivo by determining their intracerebral pathogenicity index (ICPI) in day-old chicks and molecularly by determination of F gene cleavage sites. Results Of these, 12 viruses (two vaccines and 10 outbreaks) were successfully propagated as evidenced by a positive heamagglutination (HA) test. These 12 propagated viruses were further characterized by heamagglutination inhibition (HI) test, of which only three viruses reacted with monoclonal antibody (MAb 617/616) specific for pigeon paramyxovirus-1. In addition, all 14 viruses were characterized by partial fusion (F) gene sequencing and phylogenetic tree reconstruction. The Ethiopian NDV isolates clustered with genotype VI viruses, forming two clades (groups 1 and 2) that have ancestral relationships with Egypt-1990 and Sudan-1975 like viruses. Discussion The characterized genotype VI NDVs were genetically similar to currently circulating NDVs in Ethiopia. The isolates had cleavage sites consistent with mesogenic/velogenic NDV with a mean ICPI value of 1.76, indicating that the isolates were velogenic. Two and four highly virulent viruses were thermostable at 56°C for 2 hours and 1 hour, respectively. To reduce chicken mortality and production losses, proper control of the disease should be instituted using high quality and protective vaccines together with strong biosecurity measures.
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Affiliation(s)
- Fufa D Bari
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald, Germany.,Department of Microbiology, Immunology and Veterinary Public Health, College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
| | | | | | - Timm Harder
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald, Germany
| | - Martin Beer
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald, Germany
| | - Christian Grund
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald, Germany
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Esmaeelzadeh Dizaji R, Ghalyanchilangeroudi A, Vasfi Marandi M, Hosseini H, Karimi V, Ziafatikafi Z, Molouki A, Fallah Mehrabadi MH. Complete genome sequence of a subgenotype XXI.1.1 pigeon paramyxovirus type 1 virus (PPMV‑1) isolated from Iran in 2018 and phylogenetic analysis of a possible novel, but unassigned, PPMV-1 group isolated in 2014. Comp Immunol Microbiol Infect Dis 2020; 73:101565. [PMID: 33126169 DOI: 10.1016/j.cimid.2020.101565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 10/03/2020] [Accepted: 10/08/2020] [Indexed: 11/30/2022]
Abstract
Newcastle disease (ND) is one of the most serious infectious and contagious viral diseases in avian species. Recently, several ND outbreaks in pigeon caused by pigeon paramyxovirus serotype-1 (PPMV-1) have been reported from Iran, but unfortunately, phylogenetic studies have been mostly conducted on partial sequence of NDV fusion (F) gene. In addition, a complete genome data of Iranian PPMV-1 strains are not available. In the present study, a PPMV-1, named Avian avulavirus 1/pigeon/Iran/UT-EGV/2018, isolated from an infected pigeon, was subjected to whole-genome sequencing. The isolate showed an MDT of 74 h, thus categorizing it as mesogenic. The phylogenetic analysis based on the F gene sequence revealed the isolate belongs to XXI.1.1 subgenotype (min 0.9 % and max 3 %). To our knowledge, our study is the first study to publish the complete genome of a PPMV-1 from Iran. According to BLAST results, the whole genome of UT-EGV had high homology with some Russian, Egyptian and Ukrainian strains (the highest was 96.55 %). Additionally, we conducted a phylogenetic analysis on five PPMV-1 that we isolated in 2014 to find that they may belong to a completely unreported subgenotype (6 % distance when compared as a group). The information obtained from this study can be useful in preventive measures, including constructing an effective vaccine against PPMV-1 in Iran.
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Affiliation(s)
- Reza Esmaeelzadeh Dizaji
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Arash Ghalyanchilangeroudi
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Mehdi Vasfi Marandi
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
| | - Hossein Hosseini
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Islamic Azad University, Karaj Branch, Karaj, Iran
| | - Vahid Karimi
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Zahra Ziafatikafi
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Aidin Molouki
- Department of Poultry Diseases, RAZI Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Mohammad Hossein Fallah Mehrabadi
- Department of Poultry Diseases, RAZI Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
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13
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Genomic and Pathogenic Characteristics of Virulent Newcastle Disease Virus Isolated from Chicken in Live Bird Markets and Backyard Flocks in Kenya. Int J Microbiol 2020; 2020:4705768. [PMID: 32908524 PMCID: PMC7450340 DOI: 10.1155/2020/4705768] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 07/22/2020] [Indexed: 12/15/2022] Open
Abstract
Newcastle disease (ND) causes significant economic losses in the poultry industry in developing countries. In Kenya, despite rampant annual ND outbreaks, implementation of control strategies is hampered by a lack of adequate knowledge on the circulating and outbreak causing-NDV strains. This study reports the first complete genome sequences of NDV from backyard chicken in Kenya. The results showed that all three isolates are virulent, as assessed by the mean death time (MDT) and intracerebral pathogenicity index (ICPI) in specific antibody negative (SAN) embryonated eggs and 10-day-old chickens, respectively. Also, the polybasic amino acid sequence at the fusion-protein cleavage site had the motif 112RRQKRFV118. Histopathological findings in four-week-old SPF chicken challenged with the NDV isolates KE001, KE0811, and KE0698 showed multiple organ involvement at five days after infection with severe effects seen in lymphoid tissues and blood vessels. Analysis of genome sequences obtained from the three isolates showed that they were 15192 base pair (bp) in length and had genomic features consistent with other NDV strains, the functional sites within the coding sequence being highly conserved in the sequence of the three isolates. Amino acid residues and substitutions in the structural proteins of the three isolates were similar to the newly isolated Tanzanian NDV strain (Mbeya/MT15). A similarity matrix showed a high similarity of the isolates to NDV strains of class II genotype V (89–90%) and subgenotype Vd (95–97%). Phylogenetic analysis confirmed that the three isolates are closely related to NDV genotype V strains but form a distinct cluster together with NDV strains from the East African countries of Uganda and Tanzania to form the newly characterized subgenotype Vd. Our study provides the first description of the genomic and pathological characteristics of NDV of subgenotype Vd and lays a baseline in understanding the evolutionary dynamics of NDV and, in particular, Genotype V. This information will be useful in the development of specific markers for detection of viruses of genotype V and generation of genotype matched vaccines.
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14
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Ipara BO, Otieno DO, Nyikal RA, Makokha SN. The role of unregulated chicken marketing practices on the frequency of Newcastle disease outbreaks in Kenya. Poult Sci 2020; 98:6356-6366. [PMID: 31504870 PMCID: PMC6870556 DOI: 10.3382/ps/pez463] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 08/06/2019] [Indexed: 12/20/2022] Open
Abstract
In developing countries, chicken trade is characterized by complex chains comprising of many actors with limited biosecurity. This increases the spread of chicken diseases like Newcastle disease (ND). In Kenya, there is lack of uniformity in practices used in live bird markets, leading to increased disease outbreaks. This study aimed at assessing the effects of the chicken marketing practices on the frequency of ND outbreaks. A Poisson regression (PRM) was used on data collected from 336 traders selected using multi-stage sampling in Kakamega, Machakos, and Nairobi. Results highlight the low access of trainings and credit by traders. From the PRM results, breed composition, market channel, transportation, origin of birds, mixing of birds, slaughter of birds, disposal of waste, and housing as well as trader attributes like ND awareness, licensing, gender, and age had significant effects on the frequency of ND outbreaks. The study recommends that County governments collaborate with development partners to develop innovative ways of disseminating information on ND. The County governments should invest in market infrastructure such as slaughter facilities, special shelters and waste disposal equipment. There is also need for enforcement of biosecurity and hygiene measures through regular market inspections.
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Affiliation(s)
- B O Ipara
- Department of Agricultural Economics, University of Nairobi. P.O. Box 29053-00625, Kangemi, Nairobi, Kenya
| | - D O Otieno
- Department of Agricultural Economics, University of Nairobi. P.O. Box 29053-00625, Kangemi, Nairobi, Kenya
| | - R A Nyikal
- Department of Agricultural Economics, University of Nairobi. P.O. Box 29053-00625, Kangemi, Nairobi, Kenya
| | - S N Makokha
- Biotechnology Kabete Centre, Kenya Agricultural and Livestock Research Organization (KALRO). P. O Box 362-00902, Kikuyu. Nairobi, Kenya
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15
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Dimitrov KM, Abolnik C, Afonso CL, Albina E, Bahl J, Berg M, Briand FX, Brown IH, Choi KS, Chvala I, Diel DG, Durr PA, Ferreira HL, Fusaro A, Gil P, Goujgoulova GV, Grund C, Hicks JT, Joannis TM, Torchetti MK, Kolosov S, Lambrecht B, Lewis NS, Liu H, Liu H, McCullough S, Miller PJ, Monne I, Muller CP, Munir M, Reischak D, Sabra M, Samal SK, Servan de Almeida R, Shittu I, Snoeck CJ, Suarez DL, Van Borm S, Wang Z, Wong FYK. Updated unified phylogenetic classification system and revised nomenclature for Newcastle disease virus. INFECTION GENETICS AND EVOLUTION 2019; 74:103917. [PMID: 31200111 PMCID: PMC6876278 DOI: 10.1016/j.meegid.2019.103917] [Citation(s) in RCA: 213] [Impact Index Per Article: 42.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 06/07/2019] [Accepted: 06/10/2019] [Indexed: 02/07/2023]
Abstract
Several Avian paramyxoviruses 1 (synonymous with Newcastle disease virus or NDV, used hereafter) classification systems have been proposed for strain identification and differentiation. These systems pioneered classification efforts; however, they were based on different approaches and lacked objective criteria for the differentiation of isolates. These differences have created discrepancies among systems, rendering discussions and comparisons across studies difficult. Although a system that used objective classification criteria was proposed by Diel and co-workers in 2012, the ample worldwide circulation and constant evolution of NDV, and utilization of only some of the criteria, led to identical naming and/or incorrect assigning of new sub/genotypes. To address these issues, an international consortium of experts was convened to undertake in-depth analyses of NDV genetic diversity. This consortium generated curated, up-to-date, complete fusion gene class I and class II datasets of all known NDV for public use, performed comprehensive phylogenetic neighbor-Joining, maximum-likelihood, Bayesian and nucleotide distance analyses, and compared these inference methods. An updated NDV classification and nomenclature system that incorporates phylogenetic topology, genetic distances, branch support, and epidemiological independence was developed. This new consensus system maintains two NDV classes and existing genotypes, identifies three new class II genotypes, and reduces the number of sub-genotypes. In order to track the ancestry of viruses, a dichotomous naming system for designating sub-genotypes was introduced. In addition, a pilot dataset and sub-trees rooting guidelines for rapid preliminary genotype identification of new isolates are provided. Guidelines for sequence dataset curation and phylogenetic inference, and a detailed comparison between the updated and previous systems are included. To increase the speed of phylogenetic inference and ensure consistency between laboratories, detailed guidelines for the use of a supercomputer are also provided. The proposed unified classification system will facilitate future studies of NDV evolution and epidemiology, and comparison of results obtained across the world.
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Affiliation(s)
- Kiril M Dimitrov
- Exotic and Emerging Avian Viral Disease Research Unit, Southeast Poultry Research Laboratory, US National Poultry Research Center, ARS, USDA, 934 College Station Road, Athens, GA 30605, USA.
| | - Celia Abolnik
- Department of Production Studies, Faculty of Veterinary Science, University of Pretoria, Old Soutpan Road, Onderstepoort, Pretoria 0110, South Africa
| | - Claudio L Afonso
- Exotic and Emerging Avian Viral Disease Research Unit, Southeast Poultry Research Laboratory, US National Poultry Research Center, ARS, USDA, 934 College Station Road, Athens, GA 30605, USA.
| | - Emmanuel Albina
- CIRAD, UMR ASTRE, F-97170 Petit-Bourg, Guadeloupe, France; ASTRE CIRAD, INRA, Université de Montpellier, Montpellier, France
| | - Justin Bahl
- Center for Ecology of Infectious Disease, Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA
| | - Mikael Berg
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, 750 07 Uppsala, Sweden
| | - Francois-Xavier Briand
- ANSES, Avian and Rabbit Virology Immunology and Parasitology Unit, National reference laboratory for avian Influenza and Newcastle disease, BP 53, 22440 Ploufragan, France
| | - Ian H Brown
- OIE/FAO International Reference Laboratory for Newcastle Disease, Animal and Plant Health Agency (APHA -Weybridge), Addlestone KT15 3NB, UK
| | - Kang-Seuk Choi
- Animal and Plant Quarantine Agency, Ministry of Agriculture, Food and Rural Affairs (MAFRA), 177 Hyeoksin 8-ro, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Ilya Chvala
- Federal Governmental Budgetary Institution, Federal Centre for Animal Health, FGI ARRIAH, Vladimir 600901, Russia
| | - Diego G Diel
- Department of Veterinary and Biomedical Sciences, Animal Disease, Research and Diagnostic Laboratory, South Dakota State University, Brookings, SD, USA
| | - Peter A Durr
- CSIRO Australian Animal Health Laboratory, Portarlington Road, East Geelong, Victoria 3219, Australia
| | - Helena L Ferreira
- Exotic and Emerging Avian Viral Disease Research Unit, Southeast Poultry Research Laboratory, US National Poultry Research Center, ARS, USDA, 934 College Station Road, Athens, GA 30605, USA; University of Sao Paulo, ZMV, FZEA, Pirassununga 13635900, Brazil
| | - Alice Fusaro
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), Viale dell'Università 10, Legnaro 35020, Italy
| | - Patricia Gil
- ASTRE CIRAD, INRA, Université de Montpellier, Montpellier, France; CIRAD, UMR ASTRE, F-34398 Montpellier, France
| | - Gabriela V Goujgoulova
- National Diagnostic and Research Veterinary Medical Institute, 15 Pencho Slaveikov blvd., Sofia 1606, Bulgaria
| | - Christian Grund
- Friedrich-Loeffler-Institut, 17493 Greifswald, Insel Riems, Germany
| | - Joseph T Hicks
- Center for Ecology of Infectious Disease, Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA
| | - Tony M Joannis
- Regional Laboratory for Animal Influenzas and Transboundary Animal Diseases, National Veterinary Research Institute, Vom, Nigeria
| | - Mia Kim Torchetti
- National Veterinary Services Laboratories, Diagnostics and Biologics, Veterinary Services, Animal and Plant Health Inspection Service, U.S. Department of Agriculture, 1920 Dayton Ave, Ames, IA 50010, USA
| | - Sergey Kolosov
- Federal Governmental Budgetary Institution, Federal Centre for Animal Health, FGI ARRIAH, Vladimir 600901, Russia
| | - Bénédicte Lambrecht
- Infectious Diseases in Animals, SCIENSANO, Groeselenberg 99, 1180, Ukkel, Brussels, Belgium
| | - Nicola S Lewis
- OIE/FAO International Reference Laboratory for Newcastle Disease, Animal and Plant Health Agency (APHA -Weybridge), Addlestone KT15 3NB, UK; Royal Veterinary College, University of London, 4 Royal College Street, London NW1 0TU, UK
| | - Haijin Liu
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi 712100, PR China
| | - Hualei Liu
- China Animal Health and Epidemiology Center (CAHEC), 369 Nanjing Road, Qingdao 266032, China
| | - Sam McCullough
- CSIRO Australian Animal Health Laboratory, Portarlington Road, East Geelong, Victoria 3219, Australia
| | - Patti J Miller
- Department of Population Health, College of Veterinary Medicine, University of Georgia, 953 College Station Road, Athens, GA 30602, USA
| | - Isabella Monne
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), Viale dell'Università 10, Legnaro 35020, Italy
| | - Claude P Muller
- Infectious Diseases Research Unit, Department of Infection and Immunity, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-sur-Alzette, Luxembourg
| | - Muhammad Munir
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, United Kingdom
| | - Dilmara Reischak
- Ministério da Agricultura, Pecuária e Abastecimento, Laboratório Federal de Defesa Agropecuário, Campinas, SP 13100-105, Brazil
| | - Mahmoud Sabra
- Department of Poultry Diseases, Faculty of Veterinary Medicine, South Valley University, Qena 83523, Egypt
| | - Siba K Samal
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD, USA
| | - Renata Servan de Almeida
- ASTRE CIRAD, INRA, Université de Montpellier, Montpellier, France; CIRAD, UMR ASTRE, F-34398 Montpellier, France
| | - Ismaila Shittu
- Regional Laboratory for Animal Influenzas and Transboundary Animal Diseases, National Veterinary Research Institute, Vom, Nigeria
| | - Chantal J Snoeck
- Infectious Diseases Research Unit, Department of Infection and Immunity, Luxembourg Institute of Health, 29, rue Henri Koch, L-4354 Esch-sur-Alzette, Luxembourg
| | - David L Suarez
- Exotic and Emerging Avian Viral Disease Research Unit, Southeast Poultry Research Laboratory, US National Poultry Research Center, ARS, USDA, 934 College Station Road, Athens, GA 30605, USA
| | - Steven Van Borm
- Infectious Diseases in Animals, SCIENSANO, Groeselenberg 99, 1180, Ukkel, Brussels, Belgium
| | - Zhiliang Wang
- China Animal Health and Epidemiology Center (CAHEC), 369 Nanjing Road, Qingdao 266032, China
| | - Frank Y K Wong
- CSIRO Australian Animal Health Laboratory, Portarlington Road, East Geelong, Victoria 3219, Australia
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Qosimah D, Murwani S, Sudjarwo E, Lesmana MA. Effect of Newcastle disease virus level of infection on embryonic length, embryonic death, and protein profile changes. Vet World 2018; 11:1316-1320. [PMID: 30410239 PMCID: PMC6200569 DOI: 10.14202/vetworld.2018.1316-1320] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 07/30/2018] [Indexed: 11/16/2022] Open
Abstract
Background and Aim Newcastle disease virus (NDV) is an obligate intracellular parasite. Virus can only live on living cells. The embryonated chicken eggs (ECEs) are one of the growth media of virus that is a cheap, easy to do, and accurate for showing patterns of virus change in the host. Higher virus titers indicate the higher number of viruses and more virulent to infect host. This research aimed to investigate the effect of different level of NDV titer infection in ECEs on protein profile, embryonic length, mortality, and pathological change. Materials and Methods The study used a completely randomized design of six treatments and seven replications. The treatments were different level of NDV titer infection in allantoic fluid (AF) of 9-11 days ECEs, i.e., P1=20, P2=26, P3=27, P4=28, P5=29, and P6=210 hemagglutination unit (HAU). All samples were separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Data were analyzed using one-way ANOVA with p=0.05 for length of the embryo and descriptive analysis for embryo mortality, pathology change, and protein band. Results The result showed that protein profile of NDV-infected ECEs of all different levels is more complex than protein profile of no NDV-infected ECEs. NDV infected of all different levels showed longer size embryo, higher mortality embryo at the first 2 days, and higher occurrence of hemorrhagic in all part of bodies of embryo than those of no NDV infected. Conclusion It was concluded that NDV infection of all different level decreased health conditions of chicken embryo of ECEs of 9-11 days old. Different level of NDV infection of ECEs of 9-11 days old showed no significantly different embryo profiles. However, all of the NDV-infected embryos were shorter, death on the 2nd day, and suffered more hemorrhage on all body surfaces than uninfected NDV embryos.
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Affiliation(s)
- Dahliatul Qosimah
- Laboratory of Microbiology and Immunology, Faculty of Veterinary Medicine, Brawijaya University, Indonesia
| | - Sri Murwani
- Laboratory of Microbiology and Immunology, Faculty of Veterinary Medicine, Brawijaya University, Indonesia
| | - Edhy Sudjarwo
- Department of Poultry Production, Faculty of Animal Husbandry, Brawijaya University, Indonesia
| | - M Arfan Lesmana
- Animal Clinic, Faculty of Veterinary Medicine, Brawijaya University, Indonesia
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17
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Rahman AU, Habib M, Shabbir MZ. Adaptation of Newcastle Disease Virus (NDV) in Feral Birds and their Potential Role in Interspecies Transmission. Open Virol J 2018; 12:52-68. [PMID: 30288195 PMCID: PMC6142666 DOI: 10.2174/1874357901812010052] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 03/14/2018] [Accepted: 06/11/2018] [Indexed: 12/19/2022] Open
Abstract
Introduction: Newcastle Disease (ND), caused by Avian avulavirus 1 (AAvV 1, avulaviruses), is a notifiable disease throughout the world due to the economic impact on trading restrictions and its embargoes placed in endemic regions. The feral birds including aquatic/migratory birds and other wild birds may act as natural reservoir hosts of ND Viruses (NDVs) and may play a remarkable role in the spread of the virus in environment. In addition, other 19 avulaviruses namely: AAvV 2 to 20, have been potentially recognized from feral avian species. Expalantion: Many previous studies have investigated the field prevailing NDVs to adapt a wide range of susceptible host. Still the available data is not enough to declare the potential role of feral birds in transmission of the virus to poultry and/or other avian birds. In view of the latest evidence related to incidences of AAvVs in susceptible avian species, it is increasingly important to understand the potential of viruses to transmit within the domestic poultry and other avian hosts. Genomic and phylogenomic analysis of several investigations has shown the same (RK/RQRR↓F) motif cleavage site among NDV isolates with same genotypes from domestic poultry and other wild hosts. So, the insight of this, various semi-captive/free-ranging wild avian species could play a vital role in the dissemination of the virus, which is an important consideration to control the disease outbreaks. Insufficient data on AAvV 1 transmission from wild birds to poultry and vice versa is the main constraint to understand about its molecular biology and genomic potential to cause infection in all susceptible hosts. Conclusion: The current review details the pertinent features of several historical and contemporary aspects of NDVs and the vital role of feral birds in its molecular epidemiology and ecology.
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Affiliation(s)
- Aziz-Ul- Rahman
- Department of Microbiology, University of Veterinary and Animal Sciences, 54000, Lahore, Pakistan
| | - Momena Habib
- Department of Microbiology, University of Veterinary and Animal Sciences, 54000, Lahore, Pakistan
| | - Muhammad Zubair Shabbir
- Quality Operations Laboratory, University of Veterinary and Animal Sciences, 54000, Lahore, Pakistan
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18
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Damena D, Fusaro A, Sombo M, Belaineh R, Heidari A, Kebede A, Kidane M, Chaka H. Characterization of Newcastle disease virus isolates obtained from outbreak cases in commercial chickens and wild pigeons in Ethiopia. SPRINGERPLUS 2016; 5:476. [PMID: 27217991 PMCID: PMC4835400 DOI: 10.1186/s40064-016-2114-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Accepted: 04/06/2016] [Indexed: 12/18/2022]
Abstract
Newcastle disease (ND), caused by virulent avian paramyxovirus type 1, is one of the most important diseases responsible for devastating outbreaks in poultry flocks in Ethiopia. However, the information about genetic characteristics of the Newcastle disease viruses (NDVs) circulating in commercial chickens and wild birds is scarce. In this study, we characterized isolates obtained from ND suspected outbreaks during 2012–2014 from poultry farms (n = 8) and wild pigeons (n = 4). The NDVs isolated from pathological specimens, through inoculation in embryonated chicken eggs, were characterized biologically by conventional intracerebral pathogenicity indices (ICPI), and genetically on the basis of Phylogenic analysis of partial F-gene sequences (260 bp) encompassing the cleavage site. The ICPI values of isolates from chickens ranged from 0.9 to 1.8; whereas, the ICPI of pigeon isolates was 1.4. All isolates contained multiple basic amino acids at the deduced cleavage site of fusion protein, which is a typical feature of virulent viruses. Phylogenic analysis of the partial cleavage site of F-gene (260 bp) indicated that all the sequences of viruses obtained from pigeons were identical and clustered within the genotype VIh while the sequences of viruses obtained from chickens were clustered together within the genotype VIf. The similarity between the viruses obtained from chickens and those obtained from pigeons ranged from 82.5 to 85.6 %. This suggests that different sub genotypes of genotype VI are circulating in chicken and wild pigeon population in Ethiopia. This warrants further study to understand the role of wild birds in the epidemiology of NDV in Ethiopia and as well highlights the importance of continuous surveillances both in wild birds and domestic poultry.
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Affiliation(s)
- Delesa Damena
- National Animal Health Diagnostic and Investigation Center, P.O. Box 04, Sebeta, Ethiopia
| | - Alice Fusaro
- Research and Innovation Department, Istituto Zooprofilattico Sperimentale delle Venezie, OIE/FAO and National Reference Laboratory for Newcastle Disease and Avian Influenza, OIE Collaborating Center for Diseases at the Human-Animal Interface, Legnaro, Padova Italy
| | - Melaku Sombo
- National Animal Health Diagnostic and Investigation Center, P.O. Box 04, Sebeta, Ethiopia
| | - Redeat Belaineh
- National Animal Health Diagnostic and Investigation Center, P.O. Box 04, Sebeta, Ethiopia
| | - Alireza Heidari
- Research and Innovation Department, Istituto Zooprofilattico Sperimentale delle Venezie, OIE/FAO and National Reference Laboratory for Newcastle Disease and Avian Influenza, OIE Collaborating Center for Diseases at the Human-Animal Interface, Legnaro, Padova Italy
| | - Abera Kebede
- National Animal Health Diagnostic and Investigation Center, P.O. Box 04, Sebeta, Ethiopia
| | - Menbere Kidane
- National Animal Health Diagnostic and Investigation Center, P.O. Box 04, Sebeta, Ethiopia
| | - Hassen Chaka
- National Animal Health Diagnostic and Investigation Center, P.O. Box 04, Sebeta, Ethiopia
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Temporal, geographic, and host distribution of avian paramyxovirus 1 (Newcastle disease virus). INFECTION GENETICS AND EVOLUTION 2016; 39:22-34. [PMID: 26792710 DOI: 10.1016/j.meegid.2016.01.008] [Citation(s) in RCA: 185] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 01/08/2016] [Accepted: 01/09/2016] [Indexed: 12/16/2022]
Abstract
Newcastle disease is caused by virulent forms of avian paramyxovirus of serotype 1 (APMV-1) and has global economic importance. The disease reached panzootic proportions within two decades after first being identified in 1926 in the United Kingdom and Indonesia and still remains endemic in many countries across the world. Here we review information on the host, temporal, and geographic distribution of APMV-1 genetic diversity based on the evolutionary systematics of the complete coding region of the fusion gene. Strains of APMV-1 are phylogenetically separated into two classes (class I and class II) and further classified into genotypes based on genetic differences. Class I viruses are genetically less diverse, generally present in wild waterfowl, and are of low virulence. Class II viruses are genetically and phenotypically more diverse, frequently isolated from poultry with occasional spillovers into wild birds, and exhibit a wider range of virulence. Waterfowl, cormorants, and pigeons are natural reservoirs of all APMV-1 pathotypes, except viscerotropic velogenic viruses for which natural reservoirs have not been identified. Genotypes I and II within class II include isolates of high and low virulence, the latter often being used as vaccines. Viruses of genotypes III and IX that emerged decades ago are now isolated rarely, but may be found in domestic and wild birds in China. Containing only virulent viruses and responsible for the majority of recent outbreaks in poultry and wild birds, viruses from genotypes V, VI, and VII, are highly mobile and have been isolated on different continents. Conversely, virulent viruses of genotypes XI (Madagascar), XIII (mainly Southwest Asia), XVI (North America) and XIV, XVII and XVIII (Africa) appear to have a more limited geographic distribution and have been isolated predominantly from poultry.
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20
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Zeynalova S, Guliyev F, Vatani M, Abbasov B. Biosurveillance of avian influenza and Newcastle disease viruses in the Barda region of Azerbaijan using real time RT-PCR and hemagglutination inhibition. Front Microbiol 2015; 6:1128. [PMID: 26594200 PMCID: PMC4635216 DOI: 10.3389/fmicb.2015.01128] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 09/28/2015] [Indexed: 11/13/2022] Open
Abstract
The Azerbaijan State Veterinary Control Service (SVCS) has conducted active serological surveillance for avian influenza (AI) in poultry since 2006, when the first outbreak of AI H5N1 occurred in Azerbaijan. Samples are collected from September to May annually and tested using a hemagglutination inhibition (HI) assay to detect antibodies against H5 AI viruses. HI testing is also performed for Newcastle disease virus (NDV) upon request, but since this method cannot distinguish between natural infections and immune responses to vaccination, all positive results require follow-up epidemiological investigations. Furthermore, blood collection for the surveillance program is time-intensive and can be stressful to birds. In order to improve the national surveillance program, alternative sampling and testing methodologies were applied among a population of birds in the Barda region and compared with results of the national surveillance program. Tracheal and cloacal swabs were collected instead of blood. Rather than testing individual samples, RNA was pooled to conserve resources and time, and pools were tested by real-time reverse transcription polymerase chain reaction (rRT-PCR). Environmental sampling at a live bird market was also introduced as another surveillance mechanism. A total of 1,030 swabs were collected, comprising tracheal, and cloacal samples from 441 birds and 148 environmental surface samples from farms or the live bird market. During the same time, 3,890 blood samples were collected nationally for the surveillance program; 400 of these samples originated in the Barda region. Birds sampled for rRT-PCR were likely different than those tested as part of national surveillance. All swab samples tested negative by rRT-PCR for both AI and NDV. All blood samples tested negative for H5 by HI, while 6.2% of all samples and 5% of the Barda samples tested positive for exposure to NDV. Follow-up investigations found that positive samples were from birds vaccinated in the previous month. This study demonstrated that taking swabs was quicker and less invasive than blood collection. Results of rRT-PCR testing were similar to HI testing for H5 but also ruled out infection with all influenza type A viruses and not just H5. In addition, rRT-PCR testing was able to rule out active infections with NDV.
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Affiliation(s)
- Shalala Zeynalova
- Virology Department, Republican Veterinary Laboratory Baku, Azerbaijan
| | - Fizuli Guliyev
- Virology Department, Republican Veterinary Laboratory Baku, Azerbaijan
| | - Mahira Vatani
- Virology Department, Republican Veterinary Laboratory Baku, Azerbaijan
| | - Bahruz Abbasov
- Virology Department, Barda Zonal Veterinary Laboratory Baku, Azerbaijan
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