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Lu N, Niu YL, Song Y, Zhang DD, Jiang J, Wei J, Geng HL, Cao H. Prevalence of paratuberculosis in cattle in China: A systematic review and meta-analysis. Prev Vet Med 2023; 220:106043. [PMID: 37890218 DOI: 10.1016/j.prevetmed.2023.106043] [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: 06/01/2022] [Revised: 09/15/2023] [Accepted: 10/02/2023] [Indexed: 10/29/2023]
Abstract
Bovine paratuberculosis is a chronic infectious disease caused by Mycobacterium avium subspecies paratuberculosis (MAP). Here, a systematic literature review was conducted to investigate the bovine paratuberculosis distribution and associated risk factors in China before 2022. The databases CNKI, VIP, WanFang, PubMed, and ScienceDirect were used to search for articles. The random effect model of the "Meta" package of "R" software was used, and the Arcsine transformation was chosen for the rate conversion analysis. To reveal the factors that led to research heterogeneity, the research data were used for subgroup analysis and univariate meta-regression analysis. Among the 1238 identified articles, 54 met the eligibility criteria. Based on data obtained from the selected articles, the combined positive rate of bovine paratuberculosis was 6.95% in China. In the sampling year subgroup, the positive rate of bovine paratuberculosis before 2013 was 4.94%, which was lower than in other time periods. In the sampling season subgroup, the highest positive rate of bovine paratuberculosis in cattle was 14.60% in the autumn. Furthermore, in the detection method subgroup, the highest positive rate of bovine paratuberculosis was 7.21%, which was detected by using ELISA. In the age subgroup, the positive rate of bovine paratuberculosis was 17.47% in cattle > 12 months old, significantly higher than other age subgroups. The highest positive rate of bovine paratuberculosis was 11.35% for female cattle in the gender subgroup, while in the geographic region subgroup, the highest positive rate was 8.12% for East China, which was significantly higher than in other regions. The highest positive rate of bovine paratuberculosis was for dairy cattle (8.00%), and the highest positive rate by rearing method was 11.03% for non-scale farming. The effects of different geographical and climatic factors on the positive rate of bovine paratuberculosis were evaluated. In summary, we recommend focusing on screening cattle infected with MAP in warm and humid areas.
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Affiliation(s)
- Na Lu
- School of Life Sciences, Baicheng Normal University, Baicheng, Jilin Province 137000, PR China
| | - Ya-Ling Niu
- School of Life Sciences, Baicheng Normal University, Baicheng, Jilin Province 137000, PR China
| | - Yang Song
- School of Life Sciences, Baicheng Normal University, Baicheng, Jilin Province 137000, PR China
| | - Dan-Dan Zhang
- School of Life Sciences, Baicheng Normal University, Baicheng, Jilin Province 137000, PR China
| | - Jing Jiang
- College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin Province 130600, PR China.
| | - Jiaqi Wei
- School of Pharmacy, Yancheng Teachers University, Yancheng, Jiangsu Province 224002, PR China
| | - Hong-Li Geng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province 266109, PR China.
| | - Hongwei Cao
- School of Pharmacy, Yancheng Teachers University, Yancheng, Jiangsu Province 224002, PR China.
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Using Omics Approaches in the Discovery of Biomarkers for Early Diagnosis of Johne's Disease in Sheep and Goats. Animals (Basel) 2021; 11:ani11071912. [PMID: 34199073 PMCID: PMC8300312 DOI: 10.3390/ani11071912] [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: 05/27/2021] [Revised: 06/18/2021] [Accepted: 06/23/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Johne’s disease (JD) is caused by Mycobacterium avium subsp. paratuberculosis (MAP) and is an important and emerging problem in livestock. Most JD research has been carried out on cattle, but interest in the pathogenesis and diagnosis of this disease in sheep and goats is greatest in developing countries. Sheep and goats are also a relevant part of livestock production in Europe and Australia, and these species provide an excellent resource to study and better understand the mechanism of survival of MAP and gain insights into possible approaches to control this disease. This review gives an overview of the literature on paratuberculosis in sheep and goats, highlighting the immunological aspects and the potential for “omics” approaches to identify effective biomarkers for the early detection of infection. Abstract Johne’s disease (JD) is caused by Mycobacterium avium subsp. paratuberculosis (MAP) and is an important and emerging problem in livestock; therefore, its control and prevention is a priority to reduce economic losses and health risks. Most JD research has been carried out on cattle, but interest in the pathogenesis and diagnosis of this disease in sheep and goats is greatest in developing countries. Sheep and goats are also a relevant part of livestock production in Europe and Australia, and these species provide an excellent resource to study and better understand the mechanism of survival of MAP and gain insights into possible approaches to control this disease. This review gives an overview of the literature on paratuberculosis in sheep and goats, highlighting the immunological aspects and the potential for “omics” approaches to identify effective biomarkers for the early detection of infection. As JD has a long incubation period before the disease becomes evident, early diagnosis is important to control the spread of the disease.
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"They've got to be testing and doing something about it": Farmer and veterinarian views on drivers for Johne's disease control in dairy herds in England. Prev Vet Med 2020; 182:105094. [PMID: 32688108 DOI: 10.1016/j.prevetmed.2020.105094] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 05/23/2020] [Accepted: 07/10/2020] [Indexed: 12/15/2022]
Abstract
There needs to be an understanding of the reasons why key stakeholders engage in disease control efforts if disease is to be successfully and sustainably controlled. It is increasingly recognised within veterinary epidemiology and policy making in animal health that these 'people factors' are important influences on the success or otherwise of animal disease control programmes. Research methodologies adopted from the social sciences offer ways to understand this important dimension through investigating the attitudes and opinions of the key actors involved. The study reported in this paper, based on qualitative interview research, investigates the views of dairy farmers and cattle veterinarians on the drivers and incentives for controlling Johne's disease in English dairy herds. Twenty semi-structured interviews involving 17 dairy farmers and seven veterinarians were conducted in two dairy-intensive regions of England. The findings demonstrate the varied influences of veterinary advice and encouragement; appreciation of the economic cost of the disease at herd level; a voluntary national control plan; and fear of a future consumer food scare as the main reasons to engage in Johne's disease control on dairy farms. The study demonstrates how a combination of a voluntary industry-led control scheme, compulsory participation through retailer and processor contractual requirements, and threats of reputational harm and market loss have strongly influenced farmer and veterinary behaviour in relation to Johne's control without statutory involvement. The findings illustrate the importance of considering the political economy and societal impact of animal disease.
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Acharya KR, Plain KM, Whittington RJ, Dhand NK. Australian Veterinarians' Perceptions Regarding the Zoonotic Potential of Mycobacterium avium Subspecies Paratuberculosis. Vet Sci 2020; 7:vetsci7010033. [PMID: 32204515 PMCID: PMC7157240 DOI: 10.3390/vetsci7010033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/09/2020] [Indexed: 01/07/2023] Open
Abstract
Public concerns over exposure to Mycobacterium avium subspecies paratuberculosis (MAP) or MAP components via foods of animal origin could have negative trade consequences, despite the absence of conclusive scientific evidence of a causal association between Mycobacterium avium subspecies paratuberculosis (MAP) and Crohn’s disease (CD). This study was conducted among Australian veterinarians to understand (a) their perceptions regarding the role of MAP in the causation of CD (an ordinal outcome), and (b) their consideration of the adoption of the precautionary principle against Johne’s disease (JD; a binary outcome). Ordinal and binary logistic regression analyses were performed to evaluate the association of explanatory variables with the above outcomes, respectively. Almost one-third of the respondents (32.2%) considered that MAP was likely to be involved in the causation of CD whereas more than two-thirds (69.8%) agreed with the adoption of the precautionary principle against JD. Veterinarians who were concerned about exposure to and/or getting infected with MAP were more likely to consider MAP as a causative agent of CD (odds ratio: 7.63; 95% CI: 1.55, 37.63) and favor the adoption of the precautionary principle against JD (odds ratio: 6.20; 95% CI: 1.90, 20.25). Those perceiving MAP as a causative agent of CD were also more likely to favor the adoption of the precautionary principle against JD (odds ratio: 13.2; 95% CI: 1.26, 138.90). The results suggest that Australian veterinarians, particularly those who consider MAP as a causative agent of CD are concerned about exposure to MAP and favor the adoption of the precautionary principle against JD. These findings can be useful for animal health authorities for designing JD control programs and policies.
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Dow CT, Sechi LA. Cows Get Crohn's Disease and They're Giving Us Diabetes. Microorganisms 2019; 7:microorganisms7100466. [PMID: 31627347 PMCID: PMC6843388 DOI: 10.3390/microorganisms7100466] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 12/20/2022] Open
Abstract
Increasingly, Johne's disease of ruminants and human Crohn's disease are regarded as the same infectious disease: paratuberculosis. Mycobacterium avium ss. paratuberculosis (MAP) is the cause of Johne's and is the most commonly linked infectious cause of Crohn's disease. Humans are broadly exposed to MAP in dairy products and in the environment. MAP has been found within granulomas such as Crohn's disease and can stimulate autoantibodies in diseases such as type 1 diabetes (T1D) and Hashimoto's thyroiditis. Moreover, beyond Crohn's and T1D, MAP is increasingly associated with a host of autoimmune diseases. This article suggests near equivalency between paucibacillary Johne's disease of ruminant animals and human Crohn's disease and implicates MAP zoonosis beyond Crohn's disease to include T1D.
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Affiliation(s)
- Coad Thomas Dow
- McPherson Eye Research Institute, University of Wisconsin, 9431 WIMR, 1111 Highland Avenue, Madison, WI 53705, USA.
| | - Leonardo A Sechi
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43b, 07100 Sassari, Italy.
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Affiliation(s)
- Sam Strain
- Animal Health & Welfare Northern Ireland; Dungannon BT71 6JT UK
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Mataragka A, Leousi E, Liandris E, Ntafis V, Leontides L, Aggelidou E, Bossis I, Triantaphyllopoulos KA, Theodoropoulou I, Ikonomopoulos J. Faecal shedding of Mycobacterium avium subspecies paratuberculosis reduces before parturition in sheep? Small Rumin Res 2017. [DOI: 10.1016/j.smallrumres.2016.11.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Meng QF, Li Y, Yang F, Yao GZ, Qian AD, Wang WL, Cong W. Seroprevalence and risk factors of Mycobacterium avium subspecies paratuberculosis infection in domestic sika deer in China. Trop Anim Health Prod 2015; 47:999-1003. [PMID: 25904509 DOI: 10.1007/s11250-015-0819-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 03/31/2015] [Indexed: 01/13/2023]
Abstract
Paratuberculosis or Johne's disease (JD), caused by Mycobacterium avium subspecies paratuberculosis (MAP), is a chronic infectious granulomatous enteritis of ruminants and other animals, which has a worldwide occurrence, but little is known of MAP infection in domestic sika deer in Jilin Province, China. The objective of the present investigation was to examine seroprevalence and risk factors of MAP infection in Jilin Province. Serum samples collected from 1400 sika deer from 16 sika deer herds were collected in the 4 districts of the province between May 2013 and August 2014 and were tested independently for the presence of antibodies against MAP. A total of 247 (17.64 %) sika deer tested positive for MAP antibodies using a commercially available enzyme immunoassay kit. The management level of farm and collecting region of sika deer was the main risk factor associated with MAP infection. The present study revealed the seroprevalence of MAP infection in sika deer in Jilin Province, China, which provided the baseline data for taking comprehensive countermeasures and measures in effectively preventing and controlling MAP infection in sika deer.
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Affiliation(s)
- Qing-Feng Meng
- Jilin Entry-Exit Inspection and Quarantine Bureau, Changchun, Jilin Province, 130118, People's Republic of China
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Kennedy AE, Da Silva AT, Byrne N, Govender R, MacSharry J, O’Mahony J, Sayers RG. The Single Intradermal Cervical Comparative Test Interferes with Johne's Disease ELISA Diagnostics. Front Immunol 2014; 5:564. [PMID: 25429289 PMCID: PMC4228858 DOI: 10.3389/fimmu.2014.00564] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 10/22/2014] [Indexed: 11/29/2022] Open
Abstract
Enzyme-linked immunosorbent assays (ELISA) of milk and serum samples are a routinely used method of screening herds for Mycobacterium avium subspecies paratuberculosis (MAP). Infection with MAP causes granulomatous enteritis of ruminants known as Johne's disease (JD). The sensitivity (Se) and specificity (Sp) of MAP ELISAs leads to difficulties in the identification of both infected and infectious animals. Interference with MAP ELISA Se and Sp has been reported in MAP seronegative cows following administration of purified protein derivative (PPD) as part of intradermal testing for bovine tuberculosis (bTB). The aim of this study is to examine the impact of the single intradermal cervical comparative test (SICCT) for bTB, on both serum and milk MAP ELISA tests, in a herd containing both seropositive and seronegative cows pre-SICCT. A secondary objective is to provide appropriate timing of JD ELISA tests in relation to the SICCT. A herd of 139 cows were serum and milk sampled pre- and post-SICCT administration. Prior to SICCT, 6% of the herd tested seropositive for MAP using milk ELISA, with 8% positive on serum. ID Screen Paratuberculosis Indirect Screening Test (ID Vet) was used to screen the herd. Within 14 days of PPD administration, a significant increase in the prevalence of seropositive cows was recorded. Identical prevalence's were recorded with both test matrices (39%). ELISA values remained significantly higher until day 43 post-SICCT in milk (P = 0.850), and day 71 in serum (P = 0.602). If the "new" positives detected post-bTB testing are deemed false positives due to generation of cross-reacting antibodies by administration of PPD, milk would appear a more suitable sample for JD ELISA testing within 2 months of SICCT. In summary, sampling for JD utilizing milk ELISA should be avoided in the 43-day period following PPD administration, with serum ELISA sampling avoided for an additional 28 days.
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Affiliation(s)
- Aideen E. Kennedy
- Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc, Cork, Ireland
- Department of Biological Sciences, Cork Institute of Technology, Cork, Ireland
| | - Ana T. Da Silva
- Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc, Cork, Ireland
| | - Noel Byrne
- Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc, Cork, Ireland
| | - Rodney Govender
- Department of Biological Sciences, Cork Institute of Technology, Cork, Ireland
| | - John MacSharry
- Alimentary Pharmabiotic Centre, Biosciences Institute, University College Cork, Cork, Ireland
| | - Jim O’Mahony
- Department of Biological Sciences, Cork Institute of Technology, Cork, Ireland
| | - Riona G. Sayers
- Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc, Cork, Ireland
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Bannantine JP, Olsen SC, Kehrli ME, Stanton TB, Casas E, Whipple DL, Zuelke KA. High-impact animal health research conducted at the USDA's National Animal Disease Center. Vet Microbiol 2013; 165:224-33. [DOI: 10.1016/j.vetmic.2013.04.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Accepted: 04/05/2013] [Indexed: 10/27/2022]
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Salem M, Heydel C, El-Sayed A, Ahmed SA, Zschöck M, Baljer G. Mycobacterium avium subspecies paratuberculosis: an insidious problem for the ruminant industry. Trop Anim Health Prod 2012; 45:351-66. [PMID: 23054804 DOI: 10.1007/s11250-012-0274-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2012] [Indexed: 12/30/2022]
Abstract
Mycobacterium avium subspecies paratuberculosis is considered as one of the most serious problems affecting the world's ruminant industry due to its significant impact on the global economy and the controversial issue that it may be pathogenic for humans. M. avium subspecies paratuberculosis is the causative agent of Johne's disease in animals and might be implicated in cases of human Crohn's disease. We provide an insight into M. avium subspecies paratuberculosis from some bacteriological, clinical, and molecular epidemiological perspectives.
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Affiliation(s)
- Mohamed Salem
- Department of Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, P.O. Box 12211, Giza, Egypt.
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