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Zhu Q, Qi S, Guo D, Li C, Su M, Wang J, Li Z, Yang D, Sun H, Wang X, Wang M, Wu H, Yu S, Bai W, Zhang Y, Yang X, Jiang L, Liu J, Zhao Y, Xing X, Shi D, Feng L, Sun D. A survey of fecal virome and bacterial community of the diarrhea-affected cattle in northeast China reveals novel disease-associated ecological risk factors. mSystems 2024; 9:e0084223. [PMID: 38108282 PMCID: PMC10804951 DOI: 10.1128/msystems.00842-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/06/2023] [Indexed: 12/19/2023] Open
Abstract
Limited information on the virome and bacterial community hampers our ability to discern systemic ecological risk factors that cause cattle diarrhea, which has become a pressing issue in the control of disease. A total of 110 viruses, 1,011 bacterial genera, and 322 complete viral genomes were identified from 70 sequencing samples mixed with 1,120 fecal samples from 58 farms in northeast China. For the diarrheic samples, the identified virome and bacterial community varied in terms of composition, abundance, diversity, and geographic distribution in relation to different disease-associated ecological factors; the abundance of identified viruses and bacteria was significantly correlated with the host factors of clinical status, cattle type, and age, and with environmental factors such as aquaculture model and geographical location (P < 0.05); a significant interaction occurred between viruses and viruses, bacteria and bacteria, as well as between bacteria and viruses (P < 0.05). The abundance of SMB53, Butyrivibrio, Facklamia, Trichococcus, and Turicibacter was significantly correlated with the health status of cattle (P < 0.05). The proportion of BRV, BCoV, BKV, BToV, BoNoV, BoNeV, BoAstV, BEV, BoPV, and BVDV in 1,120 fecal samples varied from 1.61% to 12.05%. A series of significant correlations were observed between the prevalence of individual viruses and the disease-associated ecological factors. A genome-based phylogenetic analysis revealed high variability of 10 bovine enteric viruses. The bovine hungarovirus was initially identified in both dairy and beef cattle in China. This study elucidates the fecal virome and bacterial community signatures of cattle affected by diarrhea, and reveals novel disease-associated ecological risk factors, including cattle type, cattle age, aquaculture model, and geographical location.IMPORTANCEThe lack of data on the virome and bacterial community restricts our capability to recognize ecological risk factors for bovine diarrhea disease, thereby hindering our overall comprehension of the disease's cause. In this study, we found that, for the diarrheal samples, the identified virome and bacterial community varied in terms of composition, abundance, diversity, configuration, and geographic distribution in relation to different disease-associated ecological factors. A series of significant correlations were observed between the prevalence of individual viruses and the disease-associated ecological factors. Our study aims to uncover novel ecological risk factors of bovine diarrheal disease by examining the pathogenic microorganism-host-environment disease ecology, thereby providing a new perspective on the control of bovine diarrheal diseases.
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Affiliation(s)
- Qinghe Zhu
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Shanshan Qi
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Donghua Guo
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Chunqiu Li
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Mingjun Su
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Jianfa Wang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Zijian Li
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Dan Yang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Haibo Sun
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xiaoran Wang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Meijiao Wang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Haoyang Wu
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Shiping Yu
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Wenfei Bai
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Yongchen Zhang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xu Yang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Limin Jiang
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Jiaying Liu
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Yingying Zhao
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xiaoxu Xing
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Da Shi
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Li Feng
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Dongbo Sun
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs of the People’s Republic of China, Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
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2
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Liu Y, Liu L, Wang J, Wang T, Gao Y, Sun X, Yuan W, Li R, Wang J. Development of a new TaqMan-based real-time RT-PCR assay for the specific detection of bovine kobuvirus. Front Vet Sci 2022; 9:953599. [PMID: 35990282 PMCID: PMC9386250 DOI: 10.3389/fvets.2022.953599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/07/2022] [Indexed: 11/24/2022] Open
Abstract
Bovine kobuvirus (BKV) is a novel kobuvirus considered to be closely related to calf diarrhea and has become a worldwide epidemic. Currently, the BKV lacks an efficient and convenient detection method to assist the research on BKV prevalence. In this study, a new and specific TaqMan-based real-time RT-PCR for the detection of BKV was developed using the conserved region of the 3D gene. The assay was highly specific for BKV, without cross-amplification with other non-targeted pathogens. The limit of detection of this assay was 102 copies. Standard curves showed a strong linear correlation from 102 to 106 copies of BKV standard RNA per reaction, and the parameters revealed as a slope of −3.54, efficiency of 91.64%, and regression coefficients (R2) of 0.998. The assay was also reproducible, with the intra-assay and inter-assay coefficient of variation <1.0%. The newly developed real-time RT-PCR was validated using 243 fecal samples collected from diarrheic or non-diarrheic cattle from nine regions in Hebei province and revealed the positive detection of BKV at a ratio of 19.34% (47/243). Sequencing of partial 3D genes from 13 positive samples and the following phylogenetic analysis demonstrated the reliability of the assay. In conclusion, the newly developed TaqMan-based real-time RT-PCR could be used for the screening and epidemic monitoring of BKV.
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Affiliation(s)
- Yuelin Liu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Hebei Agricultural University, Baoding, China
- Department of Animal and Plant Quarantine, Technology Center of Shijiazhuang Customs District, Shijiazhuang, China
| | - Libing Liu
- Department of Animal and Plant Quarantine, Technology Center of Shijiazhuang Customs District, Shijiazhuang, China
| | - Jinfeng Wang
- Department of Animal and Plant Quarantine, Technology Center of Shijiazhuang Customs District, Shijiazhuang, China
| | - Ting Wang
- Department of Animal Genetics and Breeding, Hebei Mountain Agricultural Technology Innovation Center, Hebei Agricultural University, Baoding, China
| | - Yaxin Gao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Hebei Agricultural University, Baoding, China
| | - Xiaoxia Sun
- Department of Animal and Plant Quarantine, Technology Center of Shijiazhuang Customs District, Shijiazhuang, China
| | - Wanzhe Yuan
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Hebei Agricultural University, Baoding, China
| | - Ruiwen Li
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Hebei Agricultural University, Baoding, China
- *Correspondence: Ruiwen Li
| | - Jianchang Wang
- Department of Animal and Plant Quarantine, Technology Center of Shijiazhuang Customs District, Shijiazhuang, China
- Jianchang Wang
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Zhu Q, Li B, Sun D. Bovine Astrovirus—A Comprehensive Review. Viruses 2022; 14:v14061217. [PMID: 35746688 PMCID: PMC9228355 DOI: 10.3390/v14061217] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/13/2022] [Accepted: 05/31/2022] [Indexed: 12/30/2022] Open
Abstract
Bovine astrovirus (BoAstV) is a small non-enveloped virus with a single-stranded positive-sense RNA. In 1978, BoAstV was first found in calf diarrhea fecal samples in the United Kingdom and since then it has been reported in many other countries. It has wide tissue tropism and can infect multiple organs, including the intestine, nerves and respiratory tract. Since BoAstV is prevalent in healthy as well as clinically infected bovines, and is mostly associated with co-infection with other viruses, the pathogenic nature of BoAstV is still unclear. At present, there are no stable passage cell lines available for the study of BoAstV and animal model experiments have not been described. In addition, it has been reported that BoAstV may have the possibility of cross-species transmission. This review summarizes the current state of knowledge about BoAstV, including the epidemiology, evolution analysis, detection methods, pathogenesis and potential cross species transmission, to provide reference for further research of BoAstV.
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Affiliation(s)
- Qinghe Zhu
- Heilongjiang Provincial Key Laboratory of the Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing 163319, China;
| | - Bin Li
- Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences Nanjing 210014, China
- Correspondence: (B.L.); (D.S.); Tel.: +86-04596819121 (D.S.)
| | - Dongbo Sun
- Heilongjiang Provincial Key Laboratory of the Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 5 Xinfeng Road, Sartu District, Daqing 163319, China;
- Correspondence: (B.L.); (D.S.); Tel.: +86-04596819121 (D.S.)
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Savard C, Ariel O, Fredrickson R, Wang L, Broes A. Detection and genome characterization of bovine kobuvirus (BKV) in faecal samples from diarrhoeic calves in Quebec, Canada. Transbound Emerg Dis 2022; 69:1649-1655. [PMID: 33788413 PMCID: PMC8938984 DOI: 10.1111/tbed.14086] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/17/2021] [Accepted: 03/26/2021] [Indexed: 02/05/2023]
Abstract
Kobuviruses are known to infect the gastrointestinal tract of different animal species. Since its discovery in 2003, bovine kobuvirus (BKV) has been identified in faecal samples from diarrhoeic cattle in many countries, but only recently in North America. Although its possible role as an agent of calf diarrhoea remains to be determined, evidence is mounting. Our study reports for the first time the detection of BKV in faecal samples from diarrhoeic calves raised in Quebec, Canada. BKV was more commonly identified than eight known and common enteric calf pathogens. Further sequence analysis revealed that Canada BKV strain 1,043,507 was more closely correlated with the US BKV IL35164 strain than other BKV strains with complete genome. Continued surveillance and genomic characterization are needed to monitor BKV in the cattle around the world.
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Affiliation(s)
| | | | - Richard Fredrickson
- Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Illinois, Urbana, IL, USA
| | - Leyi Wang
- Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Illinois, Urbana, IL, USA
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Liu H, Zhu X, Dong Q, Qiao C, Luo Y, Liu Y, Zou Y, Liu H, Wu C, Su J, Peng H, Ouyang K, Chen Y, Li J, Wei Z, Huang W. Isolation and Phylogenetic Analysis of a Hunnivirus Strain in Water Buffaloes From China. Front Vet Sci 2022; 9:851743. [PMID: 35498751 PMCID: PMC9047669 DOI: 10.3389/fvets.2022.851743] [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: 01/10/2022] [Accepted: 03/07/2022] [Indexed: 11/19/2022] Open
Abstract
In recent years, hunniviruses have been reported in a variety of animal species from many countries. Here, hunnivirus was detected in fecal samples from water buffaloes and named as BufHuV-GX-2106. The samples were inoculated into cultures of MDBK cells supplemented with TPCK trypsin and the BufHuV-GX-2106 strain was stably passaged and replicated. Electron microscopic analysis showed the BufHuV-GX-2106 virus particles were spherical and 20~30 nm in diameter. The complete genome of a plaque purified sample of BufHuV-GX-2106 was determined and analyzed. Genomic analysis revealed that the whole sequence of BufHuV-GX-2106 was ~7,601 nucleotides (nt) in length and consisted of a large open reading frame of 6,759nt, a 5′UTR, a 3'UTR and a poly(A) tail. The complete genome sequence of BufHuV-GX-2106 shares 68-85% nucleotide identities with other known hunnivirus strains, indicating high genetic heterogeneity among these viruses. Phylogenetic analysis showed that BufHuV-GX-2106 belonged to the Hunnivirus A species and was more closely related to ovine hunnivirus than other known viruses of this type. This study describes the first isolation and complete genome sequence of a hunnivirus strain from water buffaloes. In addition, this study will help to understand the mechanisms involved in the pathogenesis of Hunnivirus A among different animal species.
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Affiliation(s)
- Haifeng Liu
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Xinyue Zhu
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Qinting Dong
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Chengpeng Qiao
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yuhang Luo
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yi Liu
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yanlin Zou
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Huanghao Liu
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Cuilan Wu
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
| | - Jieyu Su
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Hao Peng
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
| | - Kang Ouyang
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Ying Chen
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Jun Li
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- *Correspondence: Jun Li
| | - Zuzhang Wei
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
- Zuzhang Wei
| | - Weijian Huang
- Laboratory of Animal Infectious Diseases and Molecular Immunology, College of Animal Science and Technology, Guangxi University, Nanning, China
- Weijian Huang
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Delling C, Daugschies A. Literature Review: Coinfection in Young Ruminant Livestock- Cryptosporidium spp. and Its Companions. Pathogens 2022; 11:103. [PMID: 35056051 PMCID: PMC8777864 DOI: 10.3390/pathogens11010103] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/05/2022] [Accepted: 01/10/2022] [Indexed: 02/04/2023] Open
Abstract
The protozoan Cryptosporidium parvum is one of the major causative pathogens of diarrhoea in young ruminants; therefore, it causes economic losses and impairs animal welfare. Besides C. parvum, there are many other non-infectious and infectious factors, such as rotavirus, Escherichia coli, and Giardia duodenalis, which may lead to diarrhoeic disease in young livestock. Often, more than one infectious agent is detected in affected animals. Little is known about the interactions bet-ween simultaneously occurring pathogens and their potential effects on the course of disease. In this review, a brief overview about pathogens associated with diarrhoea in young ruminants is presented. Furthermore, information about coinfections involving Cryptosporidium is provided.
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Affiliation(s)
- Cora Delling
- Institute of Parasitology, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 35, 04103 Leipzig, Germany;
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Hause BM, Nelson E, Christopher-Hennings J. Identification of boosepivirus B in U.S. calves. Arch Virol 2021; 166:3193-3197. [PMID: 34528138 PMCID: PMC8442811 DOI: 10.1007/s00705-021-05231-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/19/2021] [Indexed: 11/29/2022]
Abstract
Bovine enteric disease has a complex etiology that can include viral, bacterial, and parasitic pathogens and is a significant source of losses due to morbidity and mortality. Boosepivirus was identified in calves with enteric disease with unclear etiology in Japan in 2009 and has not been reported elsewhere. Metagenomic sequencing and PCR here identified boosepivirus in bovine enteric disease diagnostic submissions from six states in the USA with 98% sequence identity to members of the species Boosepivirus B. In all cases, boosepivirus was identified as a coinfection with the established pathogens bovine coronavirus, bovine rotavirus, and cryptosporidia. Further research is needed to determine the clinical significance of boosepivirus infection.
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Affiliation(s)
- Ben M Hause
- Animal Disease Research and Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD, 57007, USA.
| | - Eric Nelson
- Animal Disease Research and Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD, 57007, USA
| | - Jane Christopher-Hennings
- Animal Disease Research and Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD, 57007, USA
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Abstract
Livestock products supply about 13 percent of energy and 28 percent of protein in diets consumed worldwide. Diarrhea is a leading cause of sickness and death of beef and dairy calves in their first month of life and also affecting adult cattle, resulting in large economic losses and a negative impact on animal welfare. Despite the usual multifactorial origin, viruses are generally involved, being among the most important causes of diarrhea. There are several viruses that have been confirmed as etiological agents (i.e., rotavirus and coronavirus), and some viruses that are not yet confirmed as etiological agents. This review summarizes the viruses that have been detected in the enteric tract of cattle and tries to deepen and gather knowledge about them.
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Hao L, Chen C, Bailey K, Wang L. Bovine kobuvirus-A comprehensive review. Transbound Emerg Dis 2021; 68:1886-1894. [PMID: 33146459 DOI: 10.1111/tbed.13909] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 10/14/2020] [Accepted: 10/30/2020] [Indexed: 02/05/2023]
Abstract
Bovine kobuvirus (BKV) is a single-stranded, positive sense, non-enveloped RNA virus in genus Kobuvirus of family Picornavirus. BKV was first identified in the culture media of HeLa cell containing calf serum in 2003. Since then, BKV has been detected in 13 countries of four different continents, suggesting widespread in the world. Herein, we review the detection and genomic characterization of BKV in 13 countries. All studies tested bovine faecal samples for BKV. These studies provide evidence that BKV might be a causative agent for neonatal calf diarrhoea. Therefore, further efforts including animal challenge study are urgently needed to unveil the pathogenicity of BKV.
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Affiliation(s)
- Lili Hao
- College of Life Science and Technology, Southwest Minzu University, Chengdu, China
| | - Chaoxi Chen
- College of Life Science and Technology, Southwest Minzu University, Chengdu, China
| | - Keith Bailey
- Department of Veterinary Clinical Medicine and the Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Leyi Wang
- Department of Veterinary Clinical Medicine and the Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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