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Geletu AS, Robi DT. Evaluation of the immune response of layer chickens to Newcastle disease virus vaccines using the new vaccination regimens. Vet Med Sci 2024; 10:e1428. [PMID: 38519843 PMCID: PMC10959821 DOI: 10.1002/vms3.1428] [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: 10/05/2023] [Revised: 02/09/2024] [Accepted: 03/10/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND The study aimed to evaluate the immunological response of layer chickens to live Newcastle disease virus vaccine using a newly developed vaccine schedule administered via the ocular route, as well as assess the persistence of passive antibodies in layer chickens and the effectiveness of protection against strains of the virus. METHODS A total of 140-day-old Lohmann Brown chicks were randomly divided into seven groups, 20 chicks each. Groups 1-3 received a single eye instillation of the vaccine at ages 5, 26 and 54 days, respectively, whereas groups 4-6 received a double eye instillation. Group 7 served as non-vaccinated control group. Ten days after immunization, samples were taken from hens that had received the vaccine at ages 15, 36 and 64, as well as from control chickens that had not received the vaccine at ages 5, 15, 21 and 31. RESULTS A total of 10 serum samples from all chickens exhibited protective antibodies, and booster doses resulted in the highest haemagglutination inhibition titre. No significant change in antibody production was observed among layer hens (p > 0.05). The study found that the La Sota (GMT ± SD: 6.71 ± 4.96), La Sota (GMT ± SD: 8.00 ± 0.00) and thermostable I2 (GMT ± SD: 7.60 ± 6.02), vaccination schedules provided the maximum immune response in single eye instillation, whereas the HB1 (GMT ± SD: 7.11 ± 4.77), La Sota (GMT ± SD: 7.83 ± 5.76) and La Sota (GMT ± SD: 7.60 ± 6.02), combination was the second-best vaccination schedule in double eye instillation. Furthermore, maternally-derived antibodies were maintained up to 31 days of age, indicating the level of passive immunity prior to vaccination. Characteristic lesions, such as edematous and diphtheria mucosal membranes of the trachea, along with petechial and necrotic haemorrhages of the proventriculus, were observed during the necropsy of the birds that died from the challenged virus. CONCLUSION This study suggests that subsequent live virus vaccine by ocular route immunization is required to effectively protect against velogenic viscerotropic Newcastle disease infection. The results also highlight the importance of developing effective vaccination schedules and routes to enhance immunity against ND in layer chickens.
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Affiliation(s)
- Abel Sorsa Geletu
- Ethiopian Institute of Agricultural ResearchWolkite Agricultural Research centerWolkiteEthiopia
| | - Dereje Tulu Robi
- Ethiopian Institute of Agricultural ResearchTepi Agricultural Research CenterTepiEthiopia
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Awad AM, Sedeik ME, Salaheldin AH, Goda RI, El-Shall NA. Evaluating the effect of Spirulina platensis on the immune response of broiler chickens to various vaccines and virulent Newcastle disease virus challenge. Res Vet Sci 2023; 164:105012. [PMID: 37708829 DOI: 10.1016/j.rvsc.2023.105012] [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: 08/20/2023] [Revised: 09/02/2023] [Accepted: 09/04/2023] [Indexed: 09/16/2023]
Abstract
This study investigated the efficacy of co-administration of Spirulina platensis (SP) with vaccines on the immune response to Avian influenza (AI), Infectious bronchitis (IB), and Newcastle disease (ND), along with I/M challenging by virulent ND virus (vNDV) genotype VII. 126 one-day-old broiler chicks were allocated into six groups (21 birds/group with three replicates): G1: negative control; G2: positive control; G3: vaccinated, non-SP-supplemented; G4: vaccinated, SP-supplemented (0.1%); G5: vaccinated, SP-supplemented (0.3%); and G6: vaccinated, SP-supplemented (0.5%). G2-6 were challenged with a velogenic NDV genotype VII virus. Dietary SP administration prevented the ND-induced mortality compared to G2 (52.4%) and G3 (14.3%), in addition to alleviating the clinical disease. G3-6 showed significant improvement in body weight loss% and FCR during two weeks post vNDV challenge (pc), and the overall FCR (2.64 ± 0.28, 1.56 ± 0.03, 1.60 ± 0.05, 1.53 ± 0.04, and 1.54 ± 0.03 for G2, 3, 4, 5 and 6, respectively) (P<0.05). On the challenging day, the ND-HI titer (log2) of G3 (5.44 ± 0.24) was numerically higher than G6 (4.20 ± 0.55) and lower than G4 (6.10 ± 0.34) and G5 (6.00 ± 0.28). On the 10th day pc, ND-HI titer in G4-6 was numerically lower in a dose-dependent manner than that of G3, suggesting an antiviral efficacy of SP. G4-6 had lower viral shedding titer than G2 and G3 (P<0.05). In G3-6, viral shedding was reduced by 15, 27, 24, and 33.6%, respectively. In addition, the histopathological lesions in the trachea, lung, and spleen were severe in G2, moderately reduced in G3, and more relieved in G4-6. At three weeks after vaccination, the HI antibody titer of AIH5 was significantly higher after SP administration, especially at the 0.3% level, compared to the vaccine alone (P<0.05), demonstrating an immune-stimulating effect. In conclusion, dietary administration of SP, particularly a dose of 0.3%, for vaccinated chickens against NDV exerted an antiinflammatory and antiviral effects by preventing deaths, alleviating clinical disease and weight loss, and decreasing viral shedding post heterologous NDV challenge.
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Affiliation(s)
- Ashraf M Awad
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbeheira, 22758, Egypt
| | - Mahmoud E Sedeik
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbeheira, 22758, Egypt
| | - Ahmed H Salaheldin
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbeheira, 22758, Egypt
| | - Raghda I Goda
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbeheira, 22758, Egypt
| | - Nahed A El-Shall
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbeheira, 22758, Egypt.
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Wang J, Lan Q, Zong X, Zhu G, Yang R, Yang G, Jiang Y, Yang W, Huang H, Shi C, Zeng Y, Wang N, Cao X, Wang C. Protection against genotype VII Newcastle disease virus by a mucosal subunit vaccination based on bacterium-like particles bearing the F or HN antigen. Int J Biol Macromol 2023:125293. [PMID: 37315677 DOI: 10.1016/j.ijbiomac.2023.125293] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
Genotype VII Newcastle disease viruses (NDV) are still epidemic in many countries in chicken and waterfowl despite intensive vaccination with conventional live and inactivated vaccines. Here, we developed an effective mucosal subunit vaccine based on a bacterium-like particles (BLPs) delivery platform derived from Lactococcus lactis. The NDV protective antigen F or HN fused protein anchor (PA) was expressed by recombinant baculovirus and loaded on the surface of BLPs, resulting in BLPs-F and BLPs-HN, respectively. Efficient uptake of BLPs-F/HN by antigen-presenting cells activated the innate immune system depending mainly on the combination of chicken TLR2 type 1 (chTLR2t1) and chicken TLR1 type 1 (chTLR1t1) was observed. Delivered intranasally, BLPs-F, BLPs-HN, or BLPs-F/HN (a mixture containing equal amounts of BLPs-F and BLPs-HN) elicited robust local NDV-specific SIgA in the trachea as well as systemic neutralizing antibody and a mixed Th1/Th2 immune response in chickens. Notably, BLPs-F/HN provided as high as 90 % protection rate against intranasal challenge with a lethal dose of virulent genotype VII NDV NA-1 strain. These data indicate that this BLP-based subunit vaccine has the potential to be a novel mucosal vaccine against genotype VII NDV infection.
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Affiliation(s)
- Jianzhong Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China.
| | - Qiquan Lan
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Xianchun Zong
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Guangmei Zhu
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Rui Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Guilian Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yanlong Jiang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Wentao Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Haibin Huang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Chunwei Shi
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yan Zeng
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Nan Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Xin Cao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Chunfeng Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China; Engineering Research Center of Microecological Vaccines (Drugs) for Major Animal Diseases, Ministry of Education, Jilin Agricultural University, Changchun 130118, China.
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Roky SA, Das M, Akter S, Islam A, Paul S. Determinants of Newcastle disease in commercial layer chicken farms in two districts of Bangladesh: A case-control study. Heliyon 2022; 8:e10229. [PMID: 36033317 PMCID: PMC9403345 DOI: 10.1016/j.heliyon.2022.e10229] [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: 12/01/2021] [Revised: 05/27/2022] [Accepted: 08/03/2022] [Indexed: 11/25/2022] Open
Abstract
Newcastle disease (ND) is a real threat for commercial layer chicken farms in Bangladesh. However, only few studies have focused on exploring the epidemiology of this disease. A case-control study was conducted to identify determinants of Newcastle disease in commercial layer chicken farms in Kishoreganj and Gazipur district of Bangladesh between September 2019 and February 2020. Farms with birds diagnosed as ND positive based on clinical history, clinical signs and postmortem findings were considered as case and farms that did not have such ND positive chickens were the control for this study. Farmers of 56 case farms and 56 control farms were interviewed face to face using a structured questionnaire. The association between Farms’ ND status and determinants was assessed by multivariable logistic regression with backward elimination. In the final model, six variables were found to be associated with the risk for ND outbreak: age of the farmers (Odds Ratio [OR] 0.94; 95% Confidence Interval [CI] 0.87–0.99), distance from the nearest poultry farms (OR = 3.23, 95% CI 1.27–8.39), number of houses in the farms (OR = 3.06, 95% CI 1.06–8.83), surrounding environments (OR = 5.27, 95% CI 1.96–14.20), rearing different aged bird together (OR = 4.76, 95% CI 1.25–18.19), and no isolation of sick birds (OR = 2.85, 95% CI 1.07–7.55). Alteration of these determinants should reduce the ND burden in commercial layer chicken farms.
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Affiliation(s)
- Shamsul Alam Roky
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Moumita Das
- Department of Epidemiology and Public Health, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Sharmin Akter
- Department of Epidemiology and Public Health, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Aminul Islam
- Avian Disease Diagnostic Division, Bangladesh Livestock Research Institute, Savar, Dhaka, 1341, Bangladesh
| | - Suman Paul
- Department of Epidemiology and Public Health, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
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5
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Heterologous prime-boost vaccination programs against Newcastle disease virus genotype VII in chickens. Comp Immunol Microbiol Infect Dis 2022; 87:101836. [DOI: 10.1016/j.cimid.2022.101836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 05/18/2022] [Accepted: 05/28/2022] [Indexed: 11/21/2022]
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6
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Amin F, Mukhtar N, Aslam A, Sheikh AA, Sultan B, Hussain M, Shehzad R, Ali M, Shahid MF, Aziz MW, Azeem S, Aslam HB, Yaqub T. Rate of Multiple Viral and Bacterial CoInfection(s) in Influenza A/H9N2–Infected Broiler Flocks. Avian Dis 2022; 66:1-8. [DOI: 10.1637/aviandiseases-d-21-00114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/15/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Faisal Amin
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Nadia Mukhtar
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Asim Aslam
- Department of Pathology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Ali Ahmed Sheikh
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Bakht Sultan
- GP Laboratory, Grand Parent Poultry (Pvt) Ltd., Lahore, Pakistan
| | | | - Rehman Shehzad
- School of Biochemistry and Biotechnology, University of the Punjab, Lahore, Pakistan
| | - Muzaffar Ali
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Furqan Shahid
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Waqar Aziz
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Shahan Azeem
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Hassaan Bin Aslam
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Tahir Yaqub
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
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Mahamud SNA, Bello MB, Ideris A, Omar AR. Efficacy study of genotype-matched Newcastle disease virus vaccine formulated in carboxymethyl sago starch acid hydrogel in specific-pathogen-free chickens vaccinated via different administration routes. J Vet Sci 2022; 23:e25. [PMID: 35920119 PMCID: PMC9346527 DOI: 10.4142/jvs.21242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/18/2021] [Accepted: 12/05/2021] [Indexed: 11/21/2022] Open
Abstract
Background The commercially available Newcastle disease (ND) vaccines were developed based on Newcastle disease virus (NDV) isolates genetically divergent from field strains that can only prevent clinical disease, not shedding of virulent heterologous virus, highlighting the need to develop genotype-matched vaccines Objectives This study examined the efficacy of the NDV genotype-matched vaccine, mIBS025 strain formulated in standard vaccine stabilizer, and in carboxymethyl sago starch-acid hydrogel (CMSS-AH) following vaccination via an eye drop (ED) and drinking water (DW). Methods A challenge virus was prepared from a recent NDV isolated from ND vaccinated flock. Groups of specific-pathogen-free chickens were vaccinated with mIBS025 vaccine strain prepared in a standard vaccine stabilizer and CMSS-AH via ED and DW and then challenged with the UPM/NDV/IBS362/2016 strain. Results Chickens vaccinated with CMSS-AH mIBS025 ED (group 2) developed the earliest and highest Hemagglutination Inhibition (HI) NDV antibody titer (8log2) followed by standard mIBS025 ED (group 3) (7log2) both conferred complete protection and drastically reduced virus shedding. By contrast, chickens vaccinated with standard mIBS025 DW (group 5) and CMSS-AH mIBS025 DW (group 4) developed low HI NDV antibody titers of 4log2 and 3log2, respectively, which correspondingly conferred only 50% and 60% protection and continuously shed the virulent virus via the oropharyngeal and cloacal routes until the end of the study at 14 dpc. Conclusions The efficacy of mIBS025 vaccines prepared in a standard vaccine stabilizer or CMSS-AH was affected by the vaccination routes. The groups vaccinated via ED had better protective immunity than those vaccinated via DW.
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Affiliation(s)
- Siti Nor Azizah Mahamud
- Laboratory of Vaccines and Biomolecules, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Muhammad Bashir Bello
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Usmanu Danfodiyo University, PMB 2346, Sokoto, Nigeria
- Center for Advanced Medical Research and Training, Usmanu Danfodiyo University, PMB 2346, Sokoto, Nigeria
| | - Aini Ideris
- Laboratory of Vaccines and Biomolecules, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Abdul Rahman Omar
- Laboratory of Vaccines and Biomolecules, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
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Allahyari E, Allymehr M, Molouki A, Fallah Mehrabadi MH, Talebi A. Molecular characterisation and phylogenetic study of the fusion gene of Newcastle disease viruses isolated from broiler farms of Iran in 2018-2019. BULGARIAN JOURNAL OF VETERINARY MEDICINE 2022. [DOI: 10.15547/bjvm.2020-0041] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Avian orthoavulavirus, commonly known as Newcastle disease virus (NDV) has been a constant threat for the poultry industry of Iran for decades. Recently, a couple of preliminary studies on backyard and commercial chicken suggested that a major subgenotype circulating in Iran may be VII(L) subgenotype, which is now known as VII.1.1 according to the new classification system. The unique subgenotype was not reported from other parts of the world and was slightly (≥3%) different from the closest group that was VIId. The study was conducted between July 2018 and March 2019 to determine the exact NDV genotypes/subgenotypes circulating in Iranian broiler poultry farms; five-hundred and forty chickens were sampled from thirty-six broiler farms located in eighteen provinces of Iran. As other genotypes/subgenotypes such as XIII and VI.2 are circulating in neighbouring countries, border provinces were also sampled. The F gene of the NDV isolates was sequenced and phylogenetic analysis was conducted. All the isolates clustered under the VII.1.1 group. The evolutionary analysis also revealed that the distances were between 0.0 and 0.7% meaning that the Iranian NDV circulating in broiler farms were not only of VII.1.1 sub-genotype, but also genetically very identical, indicating that the routine control measures for ND in Iran were not able to prevent the circulating NDVs. Although stricter biosecurity measures have been really effective in developed countries, surveillance of NDV to determine the circulating genotypes might also help us to implement better vaccination strategies in the future.
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Affiliation(s)
- E. Allahyari
- Division of Poultry Health & Diseases, Department of Clinical sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - M. Allymehr
- Division of Poultry Health & Diseases, Department of Clinical sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - A. Molouki
- Department of Avian Diseases Research and Diagnosis, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - M. H. Fallah Mehrabadi
- Department of Avian Diseases Research and Diagnosis, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - A. Talebi
- Division of Poultry Health & Diseases, Department of Clinical sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
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Sultan HA, Elfeil WK, Nour AA, Tantawy L, Kamel EG, Eed EM, El Askary A, Talaat S. Efficacy of the Newcastle Disease Virus Genotype VII.1.1-Matched Vaccines in Commercial Broilers. Vaccines (Basel) 2021; 10:vaccines10010029. [PMID: 35062690 PMCID: PMC8779737 DOI: 10.3390/vaccines10010029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 11/30/2022] Open
Abstract
Class II genotype VII Newcastle disease viruses (NDV) are predominant in the Middle East and Asia despite intensive vaccination programs using conventional live and inactivated NDV vaccines. In this study, the protective efficacies of three commercial vaccine regimes involving genotype II NDV, recombinant genotype VII NDV-matched, and an autogenous velogenic NDV genotype VII vaccine were evaluated against challenge with velogenic NDV genotype VII (accession number MG029120). Three vaccination regimes were applied as follows: group-1 received inactivated genotype II, group-2 received inactivated recombinant genotype VII NDV-matched, and group-3 received velogenic inactivated autogenous NDV genotype VII vaccines given on day 7; for the live vaccine doses, each group received the same live genotype II vaccine. The birds in all of the groups were challenged with NDV genotype VII, which was applied on day 28. Protection by the three regimes was evaluated after infection based on mortality rate, clinical signs, gross lesions, virus shedding, seroconversion, and microscopic changes. The results showed that these three vaccination regimes partially protected commercial broilers (73%, 86%, 97%, respectively, vs. 8.6% in non-vaccinated challenged and 0% in non-vaccinated non-challenged birds) against mortality at 10 days post-challenge (dpc). Using inactivated vaccines significantly reduced the virus shedding at the level of the number of shedders and the amount of virus that was shed in all vaccinated groups (G1-3) compared to in the non-vaccinated group (G-4). In conclusion, using closely genotype-matched vaccines (NDV-GVII) provided higher protection than using vaccines that were not closely genotype-matched and non-genotype-matched. The vaccine seeds that were closely related to genotype VII.1.1 provided higher protection against challenge against this genotype since it circulates in the Middle East region. Updating vaccine seeds with recent and closely related isolates provides higher protection.
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Affiliation(s)
- Hesham A. Sultan
- Department of Birds and Rabbits Medicine, Faculty of Veterinary Medicine, University of Sadat City, Menoufiya 32958, Egypt; (E.G.K.); (S.T.)
- Correspondence: (H.A.S.); (W.K.E.)
| | - Wael K. Elfeil
- Avian and Rabbit Medicine Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 51522, Egypt
- Correspondence: (H.A.S.); (W.K.E.)
| | - Ahmed A. Nour
- Agriculture Research Center, National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Giza 12566, Egypt;
| | - Laila Tantawy
- Agriculture Research Center, Pathology Department, Animal Health Research Institute, Giza 12566, Egypt;
| | - Elsayed G. Kamel
- Department of Birds and Rabbits Medicine, Faculty of Veterinary Medicine, University of Sadat City, Menoufiya 32958, Egypt; (E.G.K.); (S.T.)
| | - Emad M. Eed
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (E.M.E.); (A.E.A.)
| | - Ahmad El Askary
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (E.M.E.); (A.E.A.)
| | - Shaimaa Talaat
- Department of Birds and Rabbits Medicine, Faculty of Veterinary Medicine, University of Sadat City, Menoufiya 32958, Egypt; (E.G.K.); (S.T.)
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Chegrynets AI, Saliy ОО, Sobko IA, Krasinko VO. Immunological evaluation of inactivated Newcastle disease vaccine depending on adjuvant composition. REGULATORY MECHANISMS IN BIOSYSTEMS 2021. [DOI: 10.15421/022167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Newcastle disease is a global problem that is being recorded in most countries and also a serious obstacle to exchange of genetic material of poultry in various countries of the world. Control of the Newcastle disease comprises correct injection of efficacious vaccines so as to decrease or eliminate the clinical disease. Our goal was to perform comparative studies of the vaccines against Newcastle disease of water in oil type, the adjuvant being mineral oil mixed with emulsifiers (Span-80 and Tween-80) and ready-to-use adjuvant system (Montanide ISA 70), and study the impact of composition of adjuvant constituent on physical-chemical and immunogenic properties of inactivated vaccines. To reproduce virus-containing material and carried out titration of the viruses, we used chicken embryos free of pathogenic microflora. Aqueous phase for the preparation of emulsion-based vaccines of water in oil type consisted of antigen to Newcastle disease of La-Sota strain, manufactured by Biotestlab Ltd, and phosphate-saline buffer. To evaluate the effectiveness of the vaccine and induce immune response, we used 1-day old pathogen-free chickens, which were obtained from chicken embryos free of pathogenic microflora. As the positive control in the experiment, we used commercial vaccine. One-day chickens were divided into 3 groups (I, II, III) comprising 12 individuals each and one group (IV) consisting of 8 individuals as the control group with individual numeration. Chickens in groups I, II and III were divided into two subgroups (n = 8 and n = 4) to determine immunogenic efficiency and safety of the vaccine. Immunization was carried out through single subcutaneous injections in the region of the neck. To study immunogenic efficiency, the chickens were immunized with the dose of 0.1 mL (1 dose), and 0.2 mL (2 doses) to determine safety. After the immunization of 1-day old pathogen-free chickens with 0.1 mL dose, the obtained level of antibodies in the serum of vaccinated chickens on days 14, 21, 28, 35 and 42 after the vaccination indicated the ability of provoking the immune response to Newcastle disease at high level and safety of the vaccination for chickens. All the recipes of the examined series of the vaccines and the commercial vaccine produced appropriate level of viscosity according to the criterion equaling ≤ 200 mm2/s at Р <0.05, promoting fluidity of the vaccine and providing easier passage through the needle during the application. Both of the studied vaccines may be used in poultry farming for prophylaxis of Newcastle disease among chickens.
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Mansour SMG, ElBakrey RM, Mohamed FF, Hamouda EE, Abdallah MS, Elbestawy AR, Ismail MM, Abdien HMF, Eid AAM. Avian Paramyxovirus Type 1 in Egypt: Epidemiology, Evolutionary Perspective, and Vaccine Approach. Front Vet Sci 2021; 8:647462. [PMID: 34336965 PMCID: PMC8320000 DOI: 10.3389/fvets.2021.647462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 06/14/2021] [Indexed: 12/27/2022] Open
Abstract
Avian orthoavulavirus 1, formerly known as avian paramyxovirus type-1 (APMV-1), infects more than 250 different species of birds. It causes a broad range of clinical diseases and results in devastating economic impact due to high morbidity and mortality in addition to trade restrictions. The ease of spread has allowed the virus to disseminate worldwide with subjective virulence, which depends on the virus strain and host species. The emergence of new virulent genotypes among global epizootics, including those from Egypt, illustrates the time-to-time genomic alterations that lead to simultaneous evolution of distinct APMV-1 genotypes at different geographic locations across the world. In Egypt, the Newcastle disease was firstly reported in 1947 and continued to occur, despite rigorous prophylactic vaccination, and remained a potential threat to commercial and backyard poultry production. Since 2005, many researchers have investigated the nature of APMV-1 in different outbreaks, as they found several APMV-1 genotypes circulating among various species. The unique intermingling of migratory, free-living, and domesticated birds besides the availability of frequently mobile wild birds in Egypt may facilitate the evolution power of APMV-1 in Egypt. Pigeons and waterfowls are of interest due to their inclusion in Egyptian poultry industry and their ability to spread the infection to other birds either by presence of different genotypes (as in pigeons) or by harboring a clinically silent disease (as in waterfowl). This review details (i) the genetic and pathobiologic features of APMV-1 infections in Egypt, (ii) the epidemiologic and evolutionary events in different avian species, and (iii) the vaccine applications and challenges in Egypt.
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Affiliation(s)
- Shimaa M G Mansour
- Department of Virology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Reham M ElBakrey
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Fakry F Mohamed
- Department of Virology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Esraa E Hamouda
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Mona S Abdallah
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ahmed R Elbestawy
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Damanhur University, Damanhur, Egypt
| | - Mahmoud M Ismail
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Hanan M F Abdien
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Amal A M Eid
- Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
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12
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Efficacy of Vaccination against Infection with Velogenic Newcastle Disease Virus Genotypes VI and VII 1.1 Strains in Japanese Quails. J Comp Pathol 2021; 186:35-50. [PMID: 34340803 DOI: 10.1016/j.jcpa.2021.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/22/2021] [Accepted: 05/11/2021] [Indexed: 11/20/2022]
Abstract
Newcastle disease virus (NDV), a major pathogen of poultry worldwide, causes significant economic losses in the poultry industry. To characterize the ability of recently isolated virulent strains of NDV genotypes VI and VII to cause disease in quails, and to evaluate the efficacy of two NDV vaccines against such strains, Japanese quails were experimentally inoculated with either NDV genotype VI (Pigeon F-VI strain) or VII 1.1 (GHB-328 strain) with or without vaccination with inactivated NDV vaccine of genotype II (La Sota strain) or VII (KBNP strain). Mild to severe neurological signs developed in quails inoculated with the Pigeon F-VI strain from 3 to 14 days post infection (PI) and from 4 to 10 days PI in birds infected with the GHB-328 strain. The mortality rates were 46% and 33% for birds inoculated with NDV VI and NDV VII 1.1, respectively. The severity of histopathological changes depended on the viral isolates used. Vaccination with the La Sota or KBNP vaccine strain successfully protected quails against NDV-induced mortality and decreased the severity of clinical signs, pathological changes and cloacal viral shedding. This study showed that these virulent NDV isolates had mild to moderate pathogenicity in quails and that both vaccines protected against challenge with both virus strains. NDV vaccine genotype VII improved the level of protection against challenge with the VII 1.1 genotype compared with the classic vaccine, but failed to protect quails against challenge with the VI genotype.
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Li Y, Qu H, Ji J, Wang Y, Liu T, He J, Wang J, Shu D, Luo C. Characterization of the exosomes in the allantoic fluid of the chicken embryo. CANADIAN JOURNAL OF ANIMAL SCIENCE 2021. [DOI: 10.1139/cjas-2020-0130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The embryo stage is critical for chicken development. Numerous studies have been conducted to clarify the dynamic changes and functions of various proteins and the composition of amino acids during embryo development. However, the physiological characteristics of extraembryonic fluid (allantoic and amniotic), especially allantoic fluid (AF), remain largely unexplored; furthermore, how information is transmitted from embryonic fluid is unknown. In this study, AF-derived exosomes ranging from 60 to 160 nm in diameter from fertilized eggs at 13 d of incubation of fast-growth chickens (WG chicken), medium-growth chickens (Silky N4 chicken), and slow-growth chickens (Huiyang Beard chicken) were isolated and purified by different ultra-centrifugations and further verified by transmission electron microscopy and a flow nano-analyzer. Expression of the exosomal positive biomarkers of ALIX and HSP70 as well as lack of the epithelium marker GRP78 was observed by Western blotting. In addition, small RNA sequencing revealed that AF-derived exosomes at 13 d of incubation contained a large number of known miRNAs (32.62%–65.83%). The top 10 most abundant and co-expressed miRNAs were primarily related to development, growth, and immunity. In addition, AF-derived exosomes promoted DF-1 cell migration. These findings broadened our understanding of the characteristic of AF-derived exosomes.
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Affiliation(s)
- Ying Li
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Hao Qu
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Jian Ji
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Yan Wang
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Tianfei Liu
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Jingyi He
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Jie Wang
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Dingming Shu
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
| | - Chenglong Luo
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
- Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 1 Dafeng 1st Street, Wushan, Tianhe District, Guangdong, Guangzhou 510640, China
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Barkhordari M, Bagheri M, Irian S, Khani MH, Ebrahimi MM, Zahmatkesh A, Shahsavandi S. Comparison of flagellin and an oil-emulsion adjuvant in inactivated Newcastle disease vaccine in stimulation of immunogenic parameters. Comp Immunol Microbiol Infect Dis 2021; 75:101622. [PMID: 33607396 DOI: 10.1016/j.cimid.2021.101622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/26/2021] [Accepted: 02/05/2021] [Indexed: 10/22/2022]
Abstract
The present study was designed to investigate the potential application of native (N) and recombinant (truncated modified [tmFliC] and full-length [flFliC]) flagellin proteins along with inactivated Newcastle disease virus (NDV). Fifty six SPF chickens were immunized twice with PBS (control), inactivated NDV (Ag), inactivated NDV/flFliC (AgF), inactivated NDV/tmFliC (AgT), inactivated NDV/N (AgN), commercial vaccine containing Montanide (Vac) and Vac/N (VacN), with a two-week interval. Blood was collected weekly and spleens were harvested after chickens were sacrificed. Interleukin-6 (IL-6) and tumor necrotic factor-α (TNF-α) gene expression in peripheral blood mononuclear cells were analyzed by Real-Time PCR. Antibody response was assessed by haemagglutination inhibition (HI). Cellular activity was quantified by MTT assay. Results showed that the most IL-6 and TNF-α gene expression was observed in AgF group (P < 0.01). The lowest gene expression among vaccinated groups was observed in Ag group for IL-6 and Ag and Vac group for TNF-α. The highest HI titer was observed in Vac, VacN, AgF and AgT groups. The AgF group showed the highest cellular activity (P < 0.01). In conclusion, flagellin-adjuvanted groups showed a pro-inflammatory effect and acted similarly to or better than the Vac group. Hence, flagellin can be proposed as a potential adjuvant for ND vaccine.
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Affiliation(s)
- Maryam Barkhordari
- Razi Vaccine and Serum Research Institute (RVSRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran; Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Masoumeh Bagheri
- Razi Vaccine and Serum Research Institute (RVSRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.
| | - Saeed Irian
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Mohammad-Hosein Khani
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Majid Ebrahimi
- Razi Vaccine and Serum Research Institute (RVSRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Azadeh Zahmatkesh
- Razi Vaccine and Serum Research Institute (RVSRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Shahla Shahsavandi
- Razi Vaccine and Serum Research Institute (RVSRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
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15
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Towards Improved Use of Vaccination in the Control of Infectious Bronchitis and Newcastle Disease in Poultry: Understanding the Immunological Mechanisms. Vaccines (Basel) 2021; 9:vaccines9010020. [PMID: 33406695 PMCID: PMC7823560 DOI: 10.3390/vaccines9010020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/24/2020] [Accepted: 12/29/2020] [Indexed: 12/11/2022] Open
Abstract
Infectious bronchitis (IB) and Newcastle disease (ND) are two important diseases of poultry and have remained a threat to the development of the poultry industry in many parts of the world. The immunology of avian has been well studied and numerous vaccines have been developed against the two viruses. Most of these vaccines are either inactivated vaccines or live attenuated vaccines. Inactivated vaccines induce weak cellular immune responses and require priming with live or other types of vaccines. Advanced technology has been used to produce several types of vaccines that can initiate prime immune responses. However, as a result of rapid genetic variations, the control of these two viral infections through vaccination has remained a challenge. Using various strategies such as combination of live attenuated and inactivated vaccines, development of IB/ND vaccines, use of DNA vaccines and transgenic plant vaccines, the problem is being surmounted. It is hoped that with increasing understanding of the immunological mechanisms in birds that are used in fighting these viruses, a more successful control of the diseases will be achieved. This will go a long way in contributing to global food security and the economic development of many developing countries, given the role of poultry in the attainment of these goals.
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16
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Bao Y, Yu M, Liu P, Hou F, Muhammad F, Wang Z, Li X, Zhang Z, Wang S, Chen Y, Cui H, Liu A, Qi X, Pan Q, Zhang Y, Gao L, Li K, Liu C, He X, Wang X, Gao Y. Novel Inactivated Subtype B Avian Metapneumovirus Vaccine Induced Humoral and Cellular Immune Responses. Vaccines (Basel) 2020; 8:vaccines8040762. [PMID: 33327513 PMCID: PMC7768545 DOI: 10.3390/vaccines8040762] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/11/2020] [Accepted: 12/13/2020] [Indexed: 12/12/2022] Open
Abstract
Avian metapneumovirus (aMPV), a highly contagious agent, is widespread and causes acute upper respiratory tract disease in chickens and turkeys. However, currently, there is no vaccine licensed in China. Herein, we describe the development of an inactivated aMPV/B vaccine using the aMPV/B strain LN16. Combined with a novel adjuvant containing immune-stimulating complexes (ISCOMs), the novel vaccine could induce high virus-specific and VN antibodies. In addition, it activated B and T lymphocytes and promoted the expression of IL-4 and IFN-γ. Importantly, boosting vaccination with the inactivated aMPV/B vaccine could provide 100% protection against aMPV/B infection with reduced virus shedding and turbinate inflammation. The protection efficacy could last for at least 6 months. This study yielded a novel inactivated aMPV/B vaccine that could serve as the first vaccine candidate in China, thus contributing to the control of aMPV/B and promoting the development of the poultry industry.
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Affiliation(s)
- Yuanling Bao
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Mengmeng Yu
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Peng Liu
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Fujun Hou
- Aohan County Breeding and Extension Center, Chifeng, Inner Mongolia 024300, China;
| | - Farooque Muhammad
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Zhihao Wang
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Xinyi Li
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Zhuo Zhang
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Suyan Wang
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Yuntong Chen
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Hongyu Cui
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Aijing Liu
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Xiaole Qi
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Qing Pan
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Yanping Zhang
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Li Gao
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Kai Li
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Changjun Liu
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Xijun He
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Xiaomei Wang
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
| | - Yulong Gao
- State Key Laboratory of Veterinary Biotechnology, Avian Immunosuppressive Diseases Division, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin 150069, China; (Y.B.); (M.Y.); (P.L.); (F.M.); (Z.W.); (X.L.); (Z.Z.); (S.W.); (Y.C.); (H.C.); (A.L.); (X.Q.); (Q.P.); (Y.Z.); (L.G.); (K.L.); (C.L.); (X.H.); (X.W.)
- Correspondence:
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17
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Hu G, Do DN, Gray J, Miar Y. Selection for Favorable Health Traits: A Potential Approach to Cope with Diseases in Farm Animals. Animals (Basel) 2020; 10:E1717. [PMID: 32971980 PMCID: PMC7552752 DOI: 10.3390/ani10091717] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 09/21/2020] [Indexed: 12/17/2022] Open
Abstract
Disease is a global problem for animal farming industries causing tremendous economic losses (>USD 220 billion over the last decade) and serious animal welfare issues. The limitations and deficiencies of current non-selection disease control methods (e.g., vaccination, treatment, eradication strategy, genome editing, and probiotics) make it difficult to effectively, economically, and permanently eliminate the adverse influences of disease in the farm animals. These limitations and deficiencies drive animal breeders to be more concerned and committed to dealing with health problems in farm animals by selecting animals with favorable health traits. Both genetic selection and genomic selection contribute to improving the health of farm animals by selecting certain health traits (e.g., disease tolerance, disease resistance, and immune response), although both of them face some challenges. The objective of this review was to comprehensively review the potential of selecting health traits in coping with issues caused by diseases in farm animals. Within this review, we highlighted that selecting health traits can be applied as a method of disease control to help animal agriculture industries to cope with the adverse influences caused by diseases in farm animals. Certainly, the genetic/genomic selection solution cannot solve all the disease problems in farm animals. Therefore, management, vaccination, culling, medical treatment, and other measures must accompany selection solution to reduce the adverse impact of farm animal diseases on profitability and animal welfare.
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Affiliation(s)
| | | | | | - Younes Miar
- Department of Animal Science and Aquaculture, Dalhousie University, Truro, NS B2N 5E3, Canada; (G.H.); (D.N.D.); (J.G.)
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18
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Wang N, Huang M, Fung TS, Luo Q, Ye JX, Du QR, Wen LH, Liu DX, Chen RA. Rapid Development of an Effective Newcastle Disease Virus Vaccine Candidate by Attenuation of a Genotype VII Velogenic Isolate Using a Simple Infectious Cloning System. Front Vet Sci 2020; 7:648. [PMID: 33094109 PMCID: PMC7528561 DOI: 10.3389/fvets.2020.00648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 08/11/2020] [Indexed: 11/13/2022] Open
Abstract
Genotype-matched vaccines provide ideal protection against infection caused by new Newcastle disease virus (NDV) genotypes or variants even in the vaccinated chickens. In this study, we report a protocol for attenuation and rapid development of a velogenic NDV isolate as an effective vaccine candidate, using a simple and reliable infectious cloning platform. Based on DHN3, a genotype VII velogenic NDV isolate, recombinant rDHN3 was rescued by co-transfection of plasmids expressing the genomic RNA, NDV proteins NP, P and L, and the T7 polymerase without using a helper virus. Subsequently, an attenuated strain rDHN3-mF was produced by substitution of residues from amino acids 112 to 117 in the DHN3 F protein with the corresponding sequence from the LaSota strain. Both rDHN3 and rDHN3-mF are genetically stable during propagation in cell culture and chicken embryos. Further characterization through determination of EID50, MDT and clinical assessments confirmed that rDHN3 is velogenic and rDHN3-mF lentogenic. Vaccination of one-week-old SPF chicks with inactivated rDHN3-mF produced much higher anti-DHN3 antibody response and better protection against live DHN3 challenge than did the commercial LaSota vaccine, providing 100% protection and much earlier viral clearance. This attenuated NDV isolate would merit further development into a vaccine product.
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Affiliation(s)
- Nannan Wang
- South China Agricultural University, College of Veterinary Medicine, Guangzhou, China
| | - Mei Huang
- Zhaoqing Institute of Biotechnology Co., Ltd., Zhaoqing, China
| | - To Sing Fung
- Guangdong Province Key Laboratory Microbial Signals & Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Qiong Luo
- South China Agricultural University, College of Veterinary Medicine, Guangzhou, China.,Zhaoqing Institute of Biotechnology Co., Ltd., Zhaoqing, China
| | - Jun Xian Ye
- Zhaoqing Institute of Biotechnology Co., Ltd., Zhaoqing, China
| | - Qian Ru Du
- South China Agricultural University, College of Veterinary Medicine, Guangzhou, China
| | - Liang Hai Wen
- Zhaoqing Institute of Biotechnology Co., Ltd., Zhaoqing, China
| | - Ding Xiang Liu
- Guangdong Province Key Laboratory Microbial Signals & Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Rui Ai Chen
- South China Agricultural University, College of Veterinary Medicine, Guangzhou, China.,Zhaoqing Institute of Biotechnology Co., Ltd., Zhaoqing, China.,Zhaoqing Branch Center of Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, Zhaoqing, China
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19
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Abd El-Hamid HS, Shafi ME, Albaqami NM, Ellakany HF, Abdelaziz NM, Abdelaziz MN, Abd El-Hack ME, Taha AE, Alanazi KM, Elbestawy AR. Sequence analysis and pathogenicity of Avian Orthoavulavirus 1 strains isolated from poultry flocks during 2015-2019. BMC Vet Res 2020; 16:253. [PMID: 32698866 PMCID: PMC7374864 DOI: 10.1186/s12917-020-02470-9] [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: 05/18/2020] [Accepted: 07/10/2020] [Indexed: 11/29/2022] Open
Abstract
Background Newcastle disease (ND) causes severe economic losses in poultry industry worldwide. Egyptian poultry industry suffered from severe economic losses since the isolation of Velogenic Newcastle disease virus (vNDV) genotype VIId in 2011 and up till now despite the use of different vaccination programs. So, this study aimed to isolate and characterize the vNDV from a total of 120 poultry flocks from ten provinces in the Egyptian Delta region with a history of respiratory manifestation, high mortalities or a decrease in egg production between 2015 and 2019. Seventy-three samples’ allantoic fluid (73/120, 60.8%) were positive for hemagglutination with chicken RBCs. These samples were submitted to molecular examination using qRT-PCR specific primers for AOAV-1, highly pathogenic avian influenza (HPAI-H5), low pathogenic avian influenza (LPAI-H9) and infectious bronchitis virus (IBV). Results Fifty samples (50/120: 41.6%) were confirmed positive for AOAV-1, based on genetic analysis of matrix and fusion protein. The co-infection rate of other respiratory viral diseases examined was 1.6, 14.1, and 4.1%, for HPAI-H5, LPAI-H9, and IBV, respectively. Biologically, the intracerebral pathogenicity index of ten selected AOAV-1 isolates ranged from 1.70 to 1.98, which indicated the velogenic nature of these isolates. All the sixteen sequenced isolates were AOAV-1 genotype VII.1.1. The full F gene sequence of six examined AOAV-1 VII.1.1 isolates contained the seven neutralizing epitopes, and the glycosylation motif of six-potential sites for N linked glycosylation at residues 85, 191, 366, 447, 471, and 541. Conclusion It could be concluded that the high prevalence of AOAV-1 genotype VII.1.1 in the Egyptian chicken flocks despite the intensive vaccination with live and killed ND vaccines, as all the 16 isolates tested were belonged to this genotype. Homologous vaccination is badly needed to control and reduce the spread of AOAV-1 genotype VII.1.1infection in Egyptian poultry flocks.
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Affiliation(s)
- Hatem S Abd El-Hamid
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El Beheira, 22511, Egypt
| | - Manal E Shafi
- Department of Biological Sciences, Zoology, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Najah M Albaqami
- Department of Biological Sciences, Zoology, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Hany F Ellakany
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El Beheira, 22511, Egypt.
| | - Naglaa M Abdelaziz
- Reference Laboratory for veterinary Quality control on Poultry production (RLQP), Animal Health Research Institute, ARC, El Dokky, Giza, Egypt
| | - Mohamed N Abdelaziz
- Reference Laboratory for veterinary Quality control on Poultry production (RLQP), Animal Health Research Institute, ARC, El Dokky, Giza, Egypt
| | - Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt.
| | - Ayman E Taha
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Edfina, 22758, Egypt
| | - Khalid M Alanazi
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Ahmed R Elbestawy
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El Beheira, 22511, Egypt
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20
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Fawzy M, Ali RR, Elfeil WK, Saleh AA, El-Tarabilli MMA. Efficacy of inactivated velogenic Newcastle disease virus genotype VII vaccine in broiler chickens. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2020; 11:113-120. [PMID: 32782739 PMCID: PMC7413011 DOI: 10.30466/vrf.2019.95311.2295] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 10/21/2019] [Indexed: 11/29/2022]
Abstract
Newcastle disease (ND) causes severe economic losses in poultry production. Despite the intensive vaccination regimes of NDV in Egypt, many outbreaks are being reported. The present study focused on the preparation and evaluation of inactivated velogenic Newcastle disease virus vaccine (genotype VII) isolated from Egyptian broiler chicken during 2015-2016. Fifty-five tissue samples including trachea, lung, liver, proventriculus, intestine, and kidney collected from commercial broiler chickens were used for virus isolation in specific pathogen-free embryonated chicken eggs (ECE) and identified using RT-PCR and sequencing. The isolates were classified by sequencing as velogenic NDV genotype VIId containing F0 protein cleavage site motifs (112RRQKRF117). A selected isolate was served as a master seed for the preparation of inactivated NDV vaccine with or without Montanide ISA70 adjuvant and evaluated in SPF chicks. Nine NDV isolates were isolated on ECE and the highest infectivity titer of the virus was 7.50 log10 EID50 mL-1 by the 5th passage. Vaccinated chicks with NDV-Montanide ISA70 adjuvanted vaccine exhibited antibody titer of 5.20 log2 at the 3rd-week-post-vaccination (WPV) with the highest titer (8.90 log2 mL-1) at the 6th-WPV. Protective antibodies values were persisted to 12th WPV followed by a gradual decrease to the end of the experiment (16th weeks). Vaccination of chicks with inactivated NDV isolate without adjuvant failed to induce protective HI antibodies all over the experiment. Chickens vaccinated with the ISA70 adjuvant vaccine were passed homologous challenge tests with 100% protective efficiency, while the unadjuvanted vaccine could not provide any protective efficiency. In conclusion, the preparation of inactivated oil adjuvant vaccine from NDV field circulating strains was efficient in controlling the disease in Egypt.
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Affiliation(s)
- Mohamed Fawzy
- Department of Virology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | | | - Wael Kamel Elfeil
- Avian and Rabbit Medicine Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Amani Ali Saleh
- Veterinary Serum and Vaccine Research Institute, Abbassia, Cairo, Egypt
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21
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Ruan B, Liu Q, Chen Y, Niu X, Wang X, Zhang C, Guo M, Zhang X, Cao Y, Wu Y. Generation and evaluation of a vaccine candidate of attenuated and heat-resistant genotype VIII Newcastle disease virus. Poult Sci 2020; 99:3437-3444. [PMID: 32616237 PMCID: PMC7597857 DOI: 10.1016/j.psj.2020.01.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 12/29/2019] [Accepted: 01/08/2020] [Indexed: 02/03/2023] Open
Abstract
Newcastle disease, which is a highly contagious and fatal disease caused by the Newcastle disease virus (NDV), has harmed the poultry industry for decades. The administration of effective vaccines can control most outbreaks and epidemics of Newcastle disease in the world. However, vaccination failures of live attenuated vaccines becasue of storage and transportation problems have been reported. Hence, thermostable live vaccine strains, such as V4 and I-2 strains, are being used and welcomed in tropical regions such as Africa and Southeast Asia. In this study, a thermostable, attenuated vaccine candidate strain NDV/rHR09 was generated using the genotype VIII heat-resistant virulent NDV strain HR09 by the reverse genetics system. The results of the determination of the mean death time and intracerebral pathogenicity index indicated that NDV/rHR09 is lentogenic even after 15 serial passages in embryonated chicken eggs. The thermostability assessment showed that the NDV/rHR09 strain exhibited hemagglutination activity and infectivity when exposed to 56°C for 60 min. Compared with the commercially available La Sota and V4 vaccines, the NDV/rHR09 induced higher antibody titers in specific pathogen-free chickens. In addition, NDV/rHR09 conferred complete protection against virulent genotype VII NDV challenge and virus shedding from vaccinated chickens. These results suggest that NDV/rHR09 is a promising thermostable vaccine candidate strain.
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Affiliation(s)
- Baoyang Ruan
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Qian Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Yin Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Xiaosai Niu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Xuefeng Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Chengcheng Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Mengjiao Guo
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Xiaorong Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Yongzhong Cao
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, China.
| | - Yantao Wu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China.
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22
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El-Shall NA, Shewita RS, Abd El-Hack ME, AlKahtane A, Alarifi S, Alkahtani S, Abdel-Daim MM, Sedeik ME. Effect of essential oils on the immune response to some viral vaccines in broiler chickens, with special reference to Newcastle disease virus. Poult Sci 2020; 99:2944-2954. [PMID: 32475429 PMCID: PMC7141634 DOI: 10.1016/j.psj.2020.03.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/24/2020] [Accepted: 03/05/2020] [Indexed: 12/01/2022] Open
Abstract
This trial assessed the efficacy of a commercial essential oil (EO) product on the immune response to vaccination against Newcastle disease (ND) and subsequent challenge with virulent ND virus genotype VII (vNDv genotype VII) by using the following experimental groups of broiler chickens (Each group had 21 birds with 3 replicates in each, n = 7): NC (negative control), PC (positive control), VC (vaccinated), and VTC (vaccinated and treated with EOs). Moreover, in a trial to study the effect of EOs on vNDv genotype VII in vivo as a preventive or therapeutic measure, 2 additional ND-vaccinated groups were used (PRV: medicated 1 D before vNDv challenge for 5 D; and TTT: medicated 2 D after vNDv challenge for 5 D). In addition, the immune-modulatory effect of EOs on the avian influenza (AI), infectious bronchitis (IB), and infectious bursal disease (IBD) vaccines was assessed through the serological response. The use of EOs along with administration of ND vaccines (VTC) revealed a lower mortality rate (42.86%), clinical signs, and postmortem lesion score (11) than ND vaccines alone (VC) (52.28% mortality and score 15), in addition to lower hemagglutination inhibition (P < 0.05) (6.5 ± 0.46) and viral shedding (10 log 2.28 ± 0.24) titres 1 wk after challenge in comparison with VC (8.63 ± 0.65 and 10 log 3.29 ± 0.72, respectively). Nevertheless, the EOs mixture (VTC) (1952 ± 28.82) did not significantly (P > 0.05) improve growth performance compared with the nontreated birds (NC and VC) (1970 ± 19.56 and 1904 ± 38.66). EOs showed an antiviral effect on vNDv in vivo (in chickens) as a preventive measure (PRV) as well as some therapeutic effect (TTT) through decreasing the viral shedding titres (loNC0), mortality rate, and severity of clinical signs and postmortem lesions, in addition to serum malondialdhyde level. Regarding the other viruses, the EOs mixture did not improve the immune response to the AI and IB vaccines but significantly (P < 0.05) increased the ELISA antibody titre for IBD virus at the 28th D of age (2,108 ± 341.05). The studied EOs mixture showed an immune-stimulating response to ND and IBD vaccines, antiviral effect against ND virus, especially if administered before the challenge; however, it did not have a growth-promoting effect.
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Affiliation(s)
- Nahed A El-Shall
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbehira 22758, Egypt.
| | - Ramadan S Shewita
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Alexandria University, Elbehira 22758, Egypt
| | - Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt.
| | - Abdullah AlKahtane
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Mahmoud E Sedeik
- Department of Poultry and Fish diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, Elbehira 22758, Egypt
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23
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Sultan HA, Talaat S, Elfeil WK, Selim K, Kutkat MA, Amer SA, Choi KS. Protective efficacy of the Newcastle disease virus genotype VII-matched vaccine in commercial layers. Poult Sci 2020; 99:1275-1286. [PMID: 32111305 PMCID: PMC7587656 DOI: 10.1016/j.psj.2019.10.063] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/24/2019] [Accepted: 10/31/2019] [Indexed: 01/16/2023] Open
Abstract
Newcastle disease virus (NDV) is a major threat to the poultry industry worldwide, with a diversity of genotypes associated with severe economic losses in all poultry sectors. Class II genotype VII NDV are predominant in the Middle East and Asia, despite intensive vaccination programs using conventional live and inactivated NDV vaccines. In Egypt, the disease is continuously spreading, causing severe economical losses in the poultry industry. In this study; the protective efficacy of a commercial, inactivated recombinant genotype VII NDV–matched vaccine (KBNP-C4152R2L strain) against challenge with the velogenic NDV strain (Chicken/USC/Egypt/2015) was evaluated in commercial layers. Two vaccination regimes were used; live NDV genotype II (LaSota) vaccine on days 10, 18, and 120, with either the inactivated NDV genotype II regime or inactivated NDV genotype VII–matched vaccine regime on days 14, 42, and 120. The 2 regimes were challenged at the peak of egg production on week 26. Protection by the 2 regimes was evaluated after experimental infection, based on mortality rate, clinical signs, gross lesions, virus shedding, seroconversion, and egg production schedule. The results show that these 2 vaccination regimes protected commercial layer chickens against mortality, but some birds showed mild clinical signs and reduced egg production temporarily. However, the combination of live NDV genotype II and recombinant inactivated genotype VII vaccines provided better protection against virus shedding (20% and 0% vs. 60% and 40%) as assessed in tracheal swabs and (20% and 0% vs. 20% and 20%) in cloacal swabs collected at 3 and 5 D post challenge (dpc), respectively. In addition, egg production levels in birds receiving the inactivated NDV genotype VII–matched vaccine regime and in those given inactivated genotype II vaccines were 76.6, 79, 82, and 87.4% and 77.7, 72.5, 69, and 82.5% at 7, 14, 21, and 28 dpc, respectively. The results of this study indicate that recombinant genotype-matched inactivated vaccine along with a live attenuated vaccine can reduce virus shedding and improve egg production in commercial layers challenged with a velogenic genotype VII virus under field conditions. This regime may ensure a proper control strategy in layers.
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Affiliation(s)
- Hesham A Sultan
- Department of Birds and Rabbits Medicine, Faculty of Veterinary Medicine, Sadat City University, Menoufiya 32958, Egypt; Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea.
| | - Shaimaa Talaat
- Department of Birds and Rabbits Medicine, Faculty of Veterinary Medicine, Sadat City University, Menoufiya 32958, Egypt
| | - Wael K Elfeil
- Avian and Rabbit Medicine Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Karim Selim
- Virology Division, Animal Health Research Institute, Agriculture Research Centre, Dokki, Egypt
| | - Mohamed A Kutkat
- Veterinary Research Division, National Research Centre, Dokki 12622, Cairo, Egypt
| | - Sameh A Amer
- Veterinary Research Division, National Research Centre, Dokki 12622, Cairo, Egypt
| | - Kang-Seuk Choi
- Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
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24
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Elbestawy AR, Ellakany HF, El-Hamid HSA, Zedan RE, Gado AR, Sedeik ME, Abd El-Hack ME, Saadeldin IM, Alowaimer AN, Ba-Awadh HA, Swelum AA. Muscovy ducks infected with velogenic Newcastle disease virus (genotype VIId) act as carriers to infect in-contact chickens. Poult Sci 2019; 98:4441-4448. [PMID: 31111928 DOI: 10.3382/ps/pez276] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 04/25/2019] [Indexed: 11/20/2022] Open
Abstract
This work was designed to study the dynamics of transmission of Newcastle disease virus (NDV), genotype VIId, from Muscovy ducks (Cariana moscata) infected either by intramuscular (IM) or intranasal (IN) inoculation, to in-contact broiler chickens (Gallus gallus). IM-infected Muscovy ducks (G1d) exhibited only 5% mortality, and the concentration of virus shed from the cloaca was greater and for longer period than virus shed from the trachea. In contrast, IN-infected ducks (G2d) exhibited no mortality, and virus shedding from the trachea was higher than that from the cloaca starting from 4 days post infection (dpi) and continued up to 16 dpi, while in IM-infected ducks (G1d), tracheal shedding stopped at 11 dpi. Chickens in contact with IM-infected and IN-infected ducks, G1c and G2c, respectively, not only developed severe clinical symptoms and death (80% and 20% mortality, respectively), but also shed the virus at higher concentrations than infected ducks. G1c chickens had higher viral shedding titers in both the trachea and cloaca than G2c chickens until 11 dpi. All broiler chickens infected by IM route (G3c) died, while the IN route of infection resulted in lower mortality (70%) in G4c. Generally, all IM-infected birds produced an earlier and higher level of NDV hemagglutination inhibition (HI) antibody titer, along with higher rates and shorter periods of viral shedding than those infected by the intranasal route. Our conclusion is that Muscovy ducks are efficient carriers of NDV-genotype VIId and transmit the virus to contact chickens.
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Affiliation(s)
- Ahmed R Elbestawy
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, El-Behera University, Damanhour 22511, Egypt
| | - Hany F Ellakany
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, El-Behera University, Damanhour 22511, Egypt
| | - Hatem S Abd El-Hamid
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, El-Behera University, Damanhour 22511, Egypt
| | - Rasha E Zedan
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, El-Behera University, Damanhour 22511, Egypt
| | - Ahmed R Gado
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, El-Behera University, Damanhour 22511, Egypt
| | - Mahmoud E Sedeik
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Alexandria University, Edfina 22758, Egypt
| | - Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Islam M Saadeldin
- Department of Physiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt.,Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, PO Box 2460, Riyadh 11451, Saudi Arabia
| | - Abdullah N Alowaimer
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, PO Box 2460, Riyadh 11451, Saudi Arabia
| | - Hani A Ba-Awadh
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, PO Box 2460, Riyadh 11451, Saudi Arabia
| | - Ayman A Swelum
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, PO Box 2460, Riyadh 11451, Saudi Arabia.,Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
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Genotypes II and VIId-based inactivated Newcastle disease vaccine reduces virus shedding. Virusdisease 2019; 30:453-461. [PMID: 31803813 DOI: 10.1007/s13337-019-00537-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 06/15/2019] [Indexed: 10/26/2022] Open
Abstract
In Egypt, recent outbreaks were reported in NDV-vaccinated flocks. The isolated strain was characterized as class II velogenic genotype VIId of Newcastle disease virus (NDV). In this study, three inactivated NDV vaccine formulations were prepared, the first one is LaSota (genotype II), the second one is genotype VIId and the third one is combined Lasota and genotype VIId at a proportion of 1:1. The challenge trials were conducted in SPF chicks to evaluate the efficacy of the prepared vaccines using 106 EID50/0.5 ml of the Egyptian genotype VIId strain of Newcastle disease virus (NDV-B7-RLQP-CH-EG-12). Our results revealed that all three prepared vaccine formulations conferred 100% protection in the vaccinated chicks. However, the combined vaccine induced the highest haemagglutination inhibition (HI) titers and neutralization indices with significant reduction in virus shedding compared to other vaccine formulations. Histopathology examination of different organs collected from vaccinated chicks post challenge indicated the protective efficacy in vaccinated groups compared to the positive control group where a score of severe lesions was shown. This study reports the efficacy of combined inactivated Lasota and genotype VIId vaccine in reducing virus shedding which is very important in controlling NDV infection in chicken.
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Ellakany HF, Elbestawy AR, Abd El-Hamid HS, Zedan RE, Gado AR, Taha AE, Soliman MA, Abd El-Hack ME, Swelum AA, Saadeldin IM, Ba-Awadh H, Hussein EOS. Role of Pigeons in the Transmission of Avian Avulavirus (Newcastle Disease-Genotype VIId) to Chickens. Animals (Basel) 2019; 9:ani9060338. [PMID: 31185682 PMCID: PMC6617408 DOI: 10.3390/ani9060338] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 05/16/2019] [Accepted: 06/05/2019] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Newcastle disease is an acute fatal disease of poultry. All broiler chickens and 8/15 pigeons were killed when infected intramuscularly (IM), while 7/10 chickens and only 1/15 pigeons were killed when infected intranasally (IN) with the virus in an experimental setting. Chickens in contact with infected pigeons developed severe respiratory, digestive and nervous signs. The mortality rates in chickens in contact with IM and IN infected pigeons were 2/5 and 3/5, respectively. Chickens in contact with IM infected pigeons had higher viral shedding titres than those in contact with IN infected pigeons. Free-range pigeons are considered an efficient carrier and transmitter of NDV-VIId to commercial broiler chickens raised in open houses. Abstract Newcastle disease is an acute fatal disease of poultry. The aim of this study was to determine the dynamics of the transmission of avian avulavirus (velogenic viscerotropic Newcastle disease-genotype VIId) from either intramuscularly (IM)- or intranasally (IN) infected 8-week-old Egyptian Baladi pigeons in contact with commercial Arbor Acres broiler chickens (4 weeks of age). The mortality of IM infected chickens and pigeons was 10/10 for chickens and 8/15 for pigeons, while the mortality of IN infected chickens and pigeons was 7/10 for chickens and only 1/15 for pigeons. The concentration of viral shedding in the oropharynx was higher than that in the cloaca for both IN and IM infected pigeons. Pigeons infected IN continued shedding the virus from the oropharynx from the 4th day post-infection (dpi) up to the 16th dpi, while IM infected pigeons stopped oropharyngeal shedding at the 11th dpi. Chickens in contact with infected pigeons developed severe respiratory, digestive and nervous signs. The mortality rates in chickens in contact with IM and IN infected pigeons were 2/5 and 3/5, respectively. Chickens in contact with IM infected pigeons showed higher viral shedding titres in both the oropharynx and cloaca than chickens in contact with pigeons infected IN. In conclusion, free-range pigeons are considered an efficient carrier and transmitter of NDV-VIId compared to commercial broiler chickens raised in open houses.
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Affiliation(s)
- Hany F Ellakany
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Damanhour University, El-Beheira 22511, Egypt.
| | - Ahmed R Elbestawy
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Damanhour University, El-Beheira 22511, Egypt.
| | - Hatem S Abd El-Hamid
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Damanhour University, El-Beheira 22511, Egypt.
| | - Rasha E Zedan
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Damanhour University, El-Beheira 22511, Egypt.
| | - Ahmed R Gado
- Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Damanhour University, El-Beheira 22511, Egypt.
| | - Ayman E Taha
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, El-Beheira, Rasheed, Edfina 22758, Egypt.
| | - Mohamed A Soliman
- Poultry Diseases Department, Faculty of Veterinary Medicine, Minia University, El-Minia 61519, Egypt.
| | - Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt.
| | - Ayman A Swelum
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia.
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt.
| | - Islam M Saadeldin
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia.
- Department of physiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt.
| | - Hani Ba-Awadh
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia.
| | - Elsayed O S Hussein
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia.
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