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Yi XL, Yang WH, Zheng HL, Cao ML, Xiong J, Chen WC, Zhou YJ, Li F, Zhu XQ, Liu GH. Seroprevalence and molecular detection of Toxoplasma gondii and Neospora caninum in beef cattle and goats in Hunan province, China. Parasit Vectors 2024; 17:195. [PMID: 38671515 PMCID: PMC11055231 DOI: 10.1186/s13071-024-06283-9] [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: 01/08/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Toxoplasma gondii and Neospora caninum are closely related protozoan parasites that are considered important causes of abortion in livestock, causing huge economic losses. Hunan Province ranks 12th in the production of beef and mutton in China. However, limited data are available on the seroprevalence, risk factors and molecular characterization of T. gondii and N. caninum in beef cattle and goats in Hunan province, China. METHODS Sera of 985 beef cattle and 1147 goats were examined for the presence of specific antibodies against T. gondii using indirect hemagglutination test (IHAT) and anti-N. caninum IgG using competitive-inhibition enzyme-linked immunoassay assay (cELISA). Statistical analysis of possible risk factors was performed using PASW Statistics. Muscle samples of 160 beef cattle and 160 goats were examined for the presence of T. gondii DNA (B1 gene) and N. caninum DNA (Nc-5 gene) by nested PCR. The B1 gene-positive samples were genotyped at 10 genetic markers using the multilocus nested PCR-RFLP (Mn-PCR-RFLP). RESULTS Specific IgG against T. gondii were detected in 8.3% (82/985) and 13.3% (153/1147) and against N. caninum in 2.1% (21/985) and 2.0% (23/1147) of the beef cattle and goats, respectively. Based on statistical analysis, the presence of cats, semi-intensive management mode and gender were identified as significant risk factors for T. gondii infection in beef cattle. Age was a significant risk factor for T. gondii infection in goats (P < 0.05), and age > 3 years was a significant risk factor for N. caninum infection in beef cattle (P < 0.05). PCR positivity for T. gondii was observed in three beef samples (1.9%; 3/160) and seven chevon samples (4.4%; 7/160). Genotyping of PCR positive samples identified one to be ToxoDB#10. The N. caninum DNA was observed in one beef sample (0.6%; 1/160) but was negative in all chevon samples. CONCLUSIONS To our knowledge, this is the first large-scale serological and molecular investigation of T. gondii and N. caninum and assessment of related risk factors in beef cattle and goats in Hunan Province, China. The findings provide baseline data for executing prevention and control of these two important parasites in beef cattle and goats in China.
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Affiliation(s)
- Xi-Long Yi
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - Wen-He Yang
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - He-Liang Zheng
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - Mei-Ling Cao
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - Jun Xiong
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - Wen-Cheng Chen
- Chenzhou Center for Livestock Poultry and Aquatic Product Quality Inspection, Chenzhou, 423000, Hunan, People's Republic of China
| | - Yu-Jing Zhou
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - Fen Li
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China
| | - Xing-Quan Zhu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, 030801, Shanxi, People's Republic of China.
| | - Guo-Hua Liu
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, Hunan, People's Republic of China.
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Huang M, Huang H, Cao X, Yin Y, Shi K, Wang D, Hu D, Song X. Seroprevalence of Toxoplasma gondii in water buffaloes and cats in Guangxi, China. Parasitol Res 2023; 123:18. [PMID: 38063934 DOI: 10.1007/s00436-023-08055-3] [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: 06/13/2023] [Accepted: 10/29/2023] [Indexed: 12/18/2023]
Abstract
Toxoplasma gondii is a pathogen that poses a serious threat to human health and causes significant economic losses to the global livestock industry. The prevalence of toxoplasmosis infection has been reported to be high in humans and animals around the world, but the occurrence of the disease has not yet been reported in water buffaloes in Guangxi Zhuang Autonomous Region, southern China. To understand the overall seroprevalence of T. gondii infection in Guangxi, a total of 1041 water buffalo and 114 cat serum samples were examined using an indirect enzyme-linked immunosorbent assay (I-ELISA). Of the 1041 water buffaloes analyzed, an overall seroprevalence of 52.9% (551/1041) was obtained, with year, season, and city location being significant factors affecting the rate of T. gondii infection in water buffaloes (P < 0.001). The results also revealed a high seroprevalence of 57% (65/114) in cats. Given that buffalo milk and meat products are vital food sources, these findings suggest that toxoplasmosis in water buffaloes may be a public health threat. This study provides the first T. gondii seroprevalence data in Guangxi, which could contribute to the prevention and control of toxoplasmosis in the region.
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Affiliation(s)
- Mao Huang
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China
| | - Hongju Huang
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China
| | - Xinru Cao
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China
| | - Yanwen Yin
- Guangxi Center for Animal Disease Control and Prevention, Nanning, 530004, China
| | - Kaichuang Shi
- Guangxi Center for Animal Disease Control and Prevention, Nanning, 530004, China
| | - Dongying Wang
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, 530004, China
- Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning, 530004, China
| | - Dandan Hu
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, 530004, China
- Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning, 530004, China
| | - Xingju Song
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.
- Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, 530004, China.
- Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning, 530004, China.
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Li LM, Wang Q, Shi JF, Li T, Zhao B, Ma QX, Liu HY, Su N, Cai RP, Zeng FL, Gong QL, Shi K, Li JM, Liu F, Du R. Seroprevalence and potential risk factors of brucellosis in sheep from America, Africa and Asia regions: A systematic review and meta-analysis. Res Vet Sci 2023; 165:105048. [PMID: 37866007 DOI: 10.1016/j.rvsc.2023.105048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 10/03/2023] [Accepted: 10/08/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND Brucellosis, a neglected and global zoonotic disease, infect a variety of mammals, among which sheep are one of the main hosts. This disease results in huge economic losses and is a widespread concern around the world. RESULT Based on the selection criteria, 40 articles from 2010 to 2021 of five databases (CNKI, Wanfang, VIP, PubMed and Science Direct) reported in America, Africa and Asia were included. The data showed that during this period, the overall seroprevalence of sheep brucellosis on these three continents was 6.2%. At the regional level, sheep brucellosis had the highest seroprevalence (8.5%) in Africa and the lowest seroprevalence (1.9%) in the Americas. With regard to the age of the sheep, the seroprevalence was significantly higher in adult sheep (15.5%) than in lambs (8.6%). Further, the seroprevalence was significantly higher in sheep that had abortion (44.3%) than in pregnant (13.0%) and non-pregnant sheep (9.5%). With regard to herd size, herds with >20 sheep (35.4%) had a significantly higher seroprevalence than herds with <20 sheep (16.8%). In terms of farming and grazing mode, free-range rearing (8.4%) was associated with a significantly higher seroprevalence than intensive farming (2.8%), and mixed grazing (37.0%) was associated with a significantly higher seroprevalence than single grazing (5.7%). CONCLUSION Sheep brucellosis is widely distributed in sheep-rearing regions of America, Africa and Asia, and sheep are susceptible to brucellosis by themselves or from other infectious sources. Therefore, timely monitoring of ovine brucellosis and improving farming and grazing patterns are critical to reducing the prevalence of brucellosis.
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Affiliation(s)
- Lian-Min Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Qi Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Jun-Feng Shi
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Ting Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Bo Zhao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Qing-Xia Ma
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Hong-Ying Liu
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Nuo Su
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Ruo-Peng Cai
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Fan-Li Zeng
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Qing-Long Gong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China.
| | - Fei Liu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China.
| | - Rui Du
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China; Jilin Provincial Engineering Research Center for Efficient Breeding and Product Development of Sika Deer, Changchun, Jilin Province 130118, China; Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, Jilin Province 130118, China.
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Selim A, Alshammari A, Gattan HS, Alruhaili MH, Rashed GA, Shoulah S. Seroprevalence and associated risk factors for Toxoplasma gondii in water buffaloes (Bubalus bubalis) in Egypt. Comp Immunol Microbiol Infect Dis 2023; 101:102058. [PMID: 37672959 DOI: 10.1016/j.cimid.2023.102058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/22/2023] [Accepted: 09/01/2023] [Indexed: 09/08/2023]
Abstract
Toxoplasmosis is a parasitic disease caused by Toxoplasma gondii and affecting all warm-blooded animals. The available data about the epidemiological situation of T. gondii in water buffaloes in Egypt are scarce. Thus, a cross-sectional study was conducted to determine the seroprevalence of T. gondii in water buffaloes in three Egyptian governorates and to evaluate the associated risk factors for the infection. A total of 430 sera samples were examined using commercial Indirect ELISA Multi-species kit. The overall seroprevalence rate of T. gondii in examined water buffaloes was 7.4 %, and the highest rate (9.3 %) was found in Kafr ElSheikh governorate. Multivariate logistic regression analysis showed that adult buffalo (OR = 7.10; 95 % CI: 0.87-57.68; P = 0.067) and small herds (OR = 8.42; 95 % CI: 1.07-66.02; P = 0.043) were more likely than young buffalo and large herds to become infected with T. gondii. Moreover, the risk of buffaloes contracting T. gondii infection was higher in winter and especially among animals contacted with cats. It is necessary to identify risk factors in order to determine what mitigation, control, and prevention strategies to implement in order to reduce, control, and prevent T. gondii infection in domestic animals, which will in turn reduce human infection with the disease.
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Affiliation(s)
- Abdelfattah Selim
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt.
| | - Ayed Alshammari
- Department of Biology, College of Science, University of Hafr Al-Batin, Hafr Al-Batin, Saudi Arabia
| | - Hattan S Gattan
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia; Special Infectious Agents Unit, King Fahad Medical Research Center, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Mohammed H Alruhaili
- Special Infectious Agents Unit, King Fahad Medical Research Center, King AbdulAziz University, Jeddah, Saudi Arabia; Department of Clinical Microbiology and Immunology, Faculty of Medicine, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Gehan A Rashed
- Department of Parasitology, Faculty of Medicine, Benha University, Benha 13511, Egypt
| | - Salma Shoulah
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt
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Jia T, Zhang TH, Yu LM, Wang ZR, Zheng WB, Liu Q, Zhu XQ, Wang ZB, Gao WW. Seroprevalence of Toxoplasma gondii infection in sheep and cattle in Shanxi Province, North China. Vet Parasitol Reg Stud Reports 2023; 43:100897. [PMID: 37451755 DOI: 10.1016/j.vprsr.2023.100897] [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: 03/17/2023] [Revised: 05/07/2023] [Accepted: 05/28/2023] [Indexed: 07/18/2023]
Abstract
Toxoplasmosis is a worldwide zoonotic disease caused by infection with the intracellular protozoan parasite Toxoplasma gondii, posing significant economic losses to the livestock industry. As a major livestock province, little is known of the prevalence of T. gondii infection in sheep and cattle in Shanxi Province, North China. In this study, a total of 1962 blood samples from cattle (n = 978) and sheep (n = 984), collected from 11 administrative cities in Shanxi Province, were examined for antibodies against T. gondii by using the indirect enzyme linked immunosorbent assay (ELISA) kits commercially available. The results showed that antibodies to T. gondii were detected in 306 of the 978 cattle serum samples (31.29%, 95% CI 28.38-34.19), ranging from 12.64% to 60.00% among the different cities. The overall seroprevalence of T. gondii in sheep was 17.78% (175/984, 95% CI 15.40-20.17), ranging from 2.22% to 41.11% among the different administrative cities. The T. gondii seroprevalence was associated with the management mode and geographical location. This is the first report of T. gondii seroprevalence in cattle and sheep in Shanxi Province, North China, which provides baseline data to plan future control strategies for T. gondii infection in this province.
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Affiliation(s)
- Tao Jia
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Tian-Hong Zhang
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Lin-Mei Yu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Zi-Rui Wang
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Wen-Bin Zheng
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Qing Liu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
| | - Xing-Quan Zhu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China; Key Laboratory of Veterinary Public Health of Higher Education of Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China.
| | - Zhong-Bing Wang
- Veterinary laboratory, Shanxi Provincial Animal Disease Prevention and Control Center, Taiyuan, China.
| | - Wen-Wei Gao
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.
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Wang Z, Qu K, Li J, Wang Y, Wang L, Yu Y. Prevalence and potential risk factors of PDCoV in pigs based on publications during 2015-2021 in China: Comprehensive literature review and meta-analysis. Microb Pathog 2023; 179:106118. [PMID: 37062492 DOI: 10.1016/j.micpath.2023.106118] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 04/18/2023]
Abstract
Porcine deltacoronavirus (PDCoV), a novel coronavirus which infects pigs, spreading around the world and causing huge economic losses. In recent years, there have also been human cases of PDCoV infection, which poses a potential threat to public health. Therefore, we conducted a systematic review and meta-analysis to assess the prevalence of PDCoV in pigs in China between 2015 and 2021. The prevalence of PDCoV in China was searched from five databases (CNKI, VIP, WanFang, PubMed and ScienceDirect) and 65 articles met the inclusion criteria, with a total of 25,977 samples, including 3828 positive cases. The overall prevalence of PDCoV was 13.61% (3828/25,977), with the highest prevalence in northern China (19.18%) and the lowest prevalence in southwest China (7.19%). We also analyzed other subgroup information, such as sampling years, test methods, age and geographic factors. The results show that PDCoV is endemic in China and climate may be a potential risk factor for PDCoV infection. It is suggested that appropriate measures should be taken in different climatic areas to reduce local PDCoV infection.
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Affiliation(s)
- Zhe Wang
- Department of Immunology, College of Basic Medical Sciences, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China; Department of Molecular Biology, College of Basic Medical Sciences and Institute of Pediatrics, First Hospital of Jilin University, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China
| | - Kuo Qu
- Department of Molecular Biology, College of Basic Medical Sciences and Institute of Pediatrics, First Hospital of Jilin University, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China
| | - Jianhua Li
- Department of Molecular Biology, College of Basic Medical Sciences and Institute of Pediatrics, First Hospital of Jilin University, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China
| | - Yangyang Wang
- Department of Molecular Biology, College of Basic Medical Sciences and Institute of Pediatrics, First Hospital of Jilin University, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China
| | - Liying Wang
- Department of Molecular Biology, College of Basic Medical Sciences and Institute of Pediatrics, First Hospital of Jilin University, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China.
| | - Yongli Yu
- Department of Immunology, College of Basic Medical Sciences, Norman Bethune Health Science Center, Jilin University, Changchun, Jilin Province, 130021, PR China.
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Ma JY, Zhu XK, Hu RG, Qi ZZ, Sun WC, Hao ZP, Cong W, Kang YH. A systematic review, meta-analysis and meta-regression of the global prevalence of foodborne Vibrio spp. infection in fishes: A persistent public health concern. MARINE POLLUTION BULLETIN 2023; 187:114521. [PMID: 36621299 DOI: 10.1016/j.marpolbul.2022.114521] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 12/14/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Human vibriosis, caused by pathogenic Vibrio spp., such as Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus, has been increasing worldwide, mediated by increasing consumption of seafood. The present study was conducted to examine the global prevalence of V. vulnificus, V. parahaemolyticus and V. cholerae in fishes. We searched PubMed, Web of Science, Scopus, and CNKI for peer-reviewed articles and dissertations prior to December 31, 2021. A total of 24,831 articles were retrieved, and 82 articles contained 61 fish families were included. The global pooled prevalence of V. cholerae, V. parahaemolyticus and V. vulnificus in fishes was 9.56 % (95 % CI: 2.12-20.92), 24.77 % (95 % CI: 17.40-32.93) and 5.29 % (95 % CI: 0.38-13.61), respectively. Subgroup and meta-regression analyses showed that study-level covariates, including temperature, country, continent, origin and detection methods partly explained the between-study heterogeneity. These heterogeneities were underpinned by differences of the three Vibrio spp. in fishes at geographical and climatic scales. These results reveal a high global prevalence of pathogenic Vibrio spp. in fishes and highlight the need for implementation of more effective prevention and control measures to reduce food-borne infection in humans.
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Affiliation(s)
- Jun-Yang Ma
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Xin-Kun Zhu
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Ren-Ge Hu
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Ze-Zheng Qi
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Wen-Chao Sun
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 32503, PR China
| | - Zhi-Peng Hao
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Wei Cong
- Marine College, Shandong University, Weihai, Shandong 264209, PR China.
| | - Yuan-Huan Kang
- Marine College, Shandong University, Weihai, Shandong 264209, PR China.
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The Prevalence of Trichinella spiralis in Domestic Pigs in China: A Systematic Review and Meta-Analysis. Animals (Basel) 2022; 12:ani12243553. [PMID: 36552472 PMCID: PMC9774926 DOI: 10.3390/ani12243553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/10/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
The meta-analysis was performed to assess the prevalence of T. spiralis in domestic pigs in China. The potential studies from seven databases (Pubmed, Web of science, Scopus, Google Scholar, CNKI, Wanfang, CBM) were searched. I2, Cochran's Q statistic and the funnel plot and Egger's test were used to assess heterogeneity and publication bias, respectively. In this study, a total of 179 articles were captured in the initially screened. Of these, we finally obtained 39 significant articles (including 43 studies involving in 551,097 pigs) for the final analysis. We calculated using a random-effects model, and we found the overall infection rate was 0.04 (95% CI 0.03-0.06). The highest prevalence region was Guangxi. The funnel plot and Egger's test showed no publication bias in our meta-analysis. In addition, this high heterogeneity index was suggestive of potential variations which could be due to regions, quality scores, detection methods, publication years, or samplings. These results indicated that T. spiralis were still prevalent in some areas in China. This highlights the need for an increased focus on implementing affordable, appropriate control programs to reduce economic losses and T. spiralis infection in domestic pigs in China.
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Liu YM, Zhang YY, Wang L, Wang HY, Li CH, Jiang YH, Sun WW. Toxoplasma gondii Antibodies in Raw Milk and Sera of Cows in China. Pathogens 2022; 11:pathogens11101079. [PMID: 36297135 PMCID: PMC9611966 DOI: 10.3390/pathogens11101079] [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: 08/08/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 11/17/2022] Open
Abstract
Toxoplasma gondii is a worldwide food-borne protozoa that has harmful influences on animal and human health. Raw milk containing T. gondii has been considered as one of the possible infectious sources for humans. Although China is one of the world’s leading milk consumers, there is still no study to investigate the seroprevalence of T. gondii in raw cow milk in China; especially for cows in rural areas. Thus, we conducted this study to examine the specific anti-T. gondii IgG-antibody in the raw milk and sera of domestic cows in China. In total, 894 cows were randomly selected from rural areas in northeastern China. The positive rate of T. gondii in the milk and serum samples were 6.38% (57/894) and 7.16% (64/894), respectively. Moreover, a history of abortion (OR = 2.03, 95% CI: 1.11–3.72, p = 0.022) was identified as the only risk factor for T. gondii infection in the studied cows. This study investigated the seroprevalence of T. gondii in the raw milk and sera of cows in China; it provided timely and useful data for public health and food safety, especially in rural areas.
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Affiliation(s)
- Yu-Min Liu
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Yang-Yang Zhang
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Lu Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China
- Intelligent Research Center of Cancer Hospital Affiliated to Chongqing University, Chongqing 400030, China
| | - Hai-Yang Wang
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Chun-Hua Li
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Yu-Hang Jiang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Wu-Wen Sun
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China
- Correspondence:
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Meta-analysis on the prevalence of bovine hydatid disease in China from 2000 to 2021. Microb Pathog 2022; 168:105586. [DOI: 10.1016/j.micpath.2022.105586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/08/2022] [Accepted: 05/09/2022] [Indexed: 11/23/2022]
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Li MY, Gao XN, Ma JY, Elsheikha HM, Cong W. A systematic review, meta-analysis and meta-regression of the global prevalence of Toxoplasma gondii infection in wild marine mammals and associations with epidemiological variables. Transbound Emerg Dis 2022; 69:e1213-e1230. [PMID: 35195942 DOI: 10.1111/tbed.14493] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 02/06/2022] [Accepted: 02/20/2022] [Indexed: 11/30/2022]
Abstract
Toxoplasma gondii infection in wild marine mammals is a growing problem and is associated with adverse impacts on marine animal health and public health. This systematic review, meta-analysis and meta-regression estimates the global prevalence of T. gondii infection in wild marine mammals and analyzes the association between T. gondii infection and epidemiological variables. PubMed, Web of Science, Science Direct, China National Knowledge Infrastructure, and Wanfang Data databases were searched until 30 May 2021. Eighty-four studies (n = 14,931 wild marine mammals from 15 families) were identified from literature. The overall pooled prevalence of T. gondii infection was 22.44% (3,848/14,931; 95% confidence interval (CI): 17.29% - 8.04%). The prevalence in adult animals 21.88% (798/3119; 95% CI: 13.40 -31.59) was higher than in the younger age groups. North America had a higher prevalence 29.92% (2756/9243; 95% CI: 21.77 - 38.77) compared with other continents. At the country level, the highest prevalence was found in Spain 44.26% (19/88; 95%CI: 5.21 - 88.54). Regarding climatic variables, the highest prevalence was found in areas with a mean annual temperature >20°C 36.28% (171/562; 95% CI: 6.36 - 73.61) and areas with an annual precipitation >800 mm 26.92% (1341/5042; 95% CI: 18.20 - 36.59). The subgroup and meta-regression analyses showed that study-level covariates, including age, country, continent, and mean temperature, partly explained the between-study heterogeneity. Further studies are needed to investigate the source of terrestrial to aquatic dissemination of T. gondii oocysts, the fate of this parasite in marine habitat and its effects on wild marine mammals. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Man-Yao Li
- Marine College, Shandong University, Weihai, Shandong, 264209, PR China
| | - Xiao-Nan Gao
- Marine College, Shandong University, Weihai, Shandong, 264209, PR China
| | - Jun-Yang Ma
- Marine College, Shandong University, Weihai, Shandong, 264209, PR China
| | - Hany M Elsheikha
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Loughborough, United Kingdom
| | - Wei Cong
- Marine College, Shandong University, Weihai, Shandong, 264209, PR China
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12
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Zhao ZY, Li MH, Lyu C, Meng XZ, Qin YF, Yang XB, Ma N, Zhao Q, Zhang Y, Jiang J. Prevalence of Giardia duodenalis Among Dogs in China from 2001 to 2021: A Systematic Review and Meta-Analysis. Foodborne Pathog Dis 2022; 19:179-191. [PMID: 35020482 DOI: 10.1089/fpd.2021.0073] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Giardia duodenalis has a wide range of host species and is a common causative agent of diarrheal disease in humans and animals. This study conducted a systematic review and meta-analysis to evaluate the pooled prevalence of Giardia among dogs in China. We extracted 33 studies related to the prevalence of G. duodenalis in dogs, with samples taken from 2001 to 2021. The random-effect model was used to calculate pooled prevalence estimates with 95% confidence intervals, and the analyzed data were from 14 provinces in China. The estimated overall prevalence of G. duodenalis among dogs in China was 11.2%. The prevalence of Giardia was significantly higher in Northwestern China (35.7%) than in other regions. The prevalence in 2010 or later (11.8%) was significantly higher than in 2010 or before (6.9%). The estimated prevalence detected by microscopy (9.3%) was lower than molecular (12.3%) and serological (14.3%) ones. The prevalence was higher in dogs <1 year of age (12.2%) than that >1 year (5.4%). Among the genotype groups, the positive rate of assemblage A (5.2%) was significantly higher than that of other assemblages. Depending on the dog' type, the prevalence of G. duodenalis in stray dogs (3.5%) was lower than that in pet dogs (6.7%) and intensively breeding dogs (11.8%). In addition, no correlation was found between Giardia positive rate and the dogs' gender (p > 0.05). We also analyzed the effects of different geographic factor subgroups (longitude, latitude, precipitation, temperature, humidity, and altitude) on the prevalence of G. duodenalis in dogs in China. The results showed that giardiasis was widespread in dogs in China. It is suggested that corresponding control scheme and effective management measures should be formulated and applied to reduce the transmission of G. duodenalis according to the difference in geographical conditions in different areas.
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Affiliation(s)
- Zi-Yu Zhao
- College of Life Science, Changchun Sci-Tech University, Shuangyang, China.,College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Ming-Han Li
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Chuang Lyu
- Shandong New Hope Liuhe Group Co., Ltd., Qingdao, China
| | - Xiang-Zhu Meng
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Yi-Feng Qin
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Xin-Bo Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Ning Ma
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Quan Zhao
- College of Life Science, Changchun Sci-Tech University, Shuangyang, China.,College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Yuan Zhang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
| | - Jing Jiang
- College of Life Science, Changchun Sci-Tech University, Shuangyang, China
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13
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Nie LB, Gong QL, Wang Q, Zhang R, Shi JF, Yang Y, Li JM, Zhu XQ, Shi K, Du R. Prevalence of Toxoplasma gondii infection in chickens in China during 1993-2021: a systematic review and meta-analysis. Parasitol Res 2022; 121:287-301. [PMID: 34993635 DOI: 10.1007/s00436-021-07334-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 09/28/2021] [Indexed: 10/19/2022]
Abstract
Toxoplasma gondii is an important intracellular parasitic protozoan with a variety of hosts, including chickens, which poses a potential threat to public health. However, little is known regarding overall T. gondii infection in chickens in China. Herein, the prevalence and risk factors associated with T. gondii infection in chickens in China were investigated using a meta-analysis. Forty studies regarding the prevalence of T. gondii in chickens in China from 1993 to 2021 were identified using five databases (PubMed, Science Direct, CNKI, Wang Fang, and VIP). Quantitative and potential sources were analyzed through subgroup analysis and meta-regression in R v3.5.2. The overall prevalence of T. gondii in chickens in China was 13.4% (95% confidence interval (CI): 10.9-16.0). In the region subgroup, the lowest prevalence was presented in Northwestern China (6.0%, 95% CI: 3.2-9.5; P < 0.001). Seasonally, T. gondii prevalence was the highest in spring (17.9%, 95% CI: 7.7-30.9; P = 0.007). Among detection methods, the prevalence in the ELISA subgroup was the highest (22.8%, 95% CI: 17.1-29.1; P < 0.001). According to the farming mode, the prevalence of T. gondii in free-range chickens (19.5%, 95% CI: 15.4-23.9) was significantly higher than that in chickens raised by intensive farming (7.4%, 95% CI: 5.1-10.2; P < 0.001). We also estimated the relationships between region, sampling year, chicken age, chicken application, gender, sample classification, study quality, and T. gondii prevalence in chickens in China. Our study showed that region, season, and farming model played important roles in T. gondii infection of chickens. Integrated control measures should be undertaken to reduce the losses caused by T. gondii infection to the chicken industry.
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Affiliation(s)
- Lan-Bi Nie
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Qing-Long Gong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Qi Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Rui Zhang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Jun-Feng Shi
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Yang Yang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Xing-Quan Zhu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Rui Du
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China. .,Jilin Provincial Engineering Research Center for Efficient Breeding and Product Development of Sika Deer, Changchun, China. .,Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China.
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14
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Geospatial epidemiology of Toxoplasma gondii infection in livestock, pets, and humans in China, 1984-2020. Parasitol Res 2022; 121:743-750. [PMID: 34988670 DOI: 10.1007/s00436-021-07415-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 12/19/2021] [Indexed: 12/22/2022]
Abstract
Undercooked or raw meat containing cyst-stage bradyzoites and oocyst-contaminated pets are presumed to constitute a major source of human toxoplasmosis. As the geospatial epidemiology of Toxoplasma gondii (T. gondii) infection in livestock, pets, and humans is rarely studied in China, we undertook a geospatial analysis using GIS visualization techniques. The present study retrieved information from the PubMed, China National Knowledge Infrastructure, and Baidu Scholar databases from 1984 up to 2020. All the data about the seroprevalence of T. gondii in livestock (sheep and goats, pigs, cattle and yaks), pets (cats, dogs), and humans in China were collected. Geospatial epidemiology of T. gondii infection in these hosts was performed using GIS. Results revealed that the estimated pooled seroprevalence of T. gondii was ranged from 3.98 to 43.02% in sheep and goats in China, 0.75 to 30.34% in cattle and yaks, 10.45 to 66.47% in pigs, 2.50 to 60.00% in cats, 0.56 to 27.65% in dogs, and 0.72 to 23.41% in humans. The higher seroprevalences of T. gondii were observed in sheep and goats in the districts of Chongqing, Zhejiang, and Beijing. The infection rates of T. gondii in cattle and yaks were higher in Guizhou, Zhejiang, and Chongqing. Also, the pigs from Chongqing and Guizhou were most severely infected with T. gondii. For cats, the districts of Shanxi, Hebei, and Yunnan had higher seroprevalences of T. gondii and, the infections among dogs were higher in Yunnan and Hebei as well. Furthermore, higher infection pressure of T. gondii exists in the districts of Taiwan and Tibet in humans. The geographical and spatial distribution of toxoplasmosis indicated that infection with T. gondii was widely spread in China, with a wide range of variations among the different hosts and regions in the country. Our results suggested that livestock and pets are not only a reservoir for the parasite but also a direct source of T. gondii infection for humans. It is important to control T. gondii infections in these animals that would reduce the risk of toxoplasmosis in humans.
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Chen Y, Chen YY, Liu G, Lyu C, Hu Y, An Q, Qiu HY, Zhao Q, Wang CR. Prevalence of Theileria in cattle in China: A systematic review and meta-analysis. Microb Pathog 2021; 162:105369. [PMID: 34952152 DOI: 10.1016/j.micpath.2021.105369] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 12/17/2021] [Accepted: 12/17/2021] [Indexed: 11/26/2022]
Abstract
Theileria, one of the causative agents of blood protozoan, has brought a huge economic loss to the cattle industry worldwide. However, the epidemiology of Theileria in Chinese cattle has not been systematically investigated. This comprehensive review aimed at investigating the prevalence of Theileria infection in cattle in China. A total of 48 published papers on Theileria infection in cattle in China (including data from 21,366 animals) from inception to October 8, 2021 met the inclusion standard after searching in five databases (Technology Periodical Database, Wan Fang Database, China National Knowledge Infrastructure, PubMed, and ScienceDirect). The pooled prevalence of Theileria in cattle in China was 32.4% identified by using a random effects model. The prevalence in Northeastern China (45.3%) was higher than that in other regions. In the sex subgroup, the prevalence of Theileria was higher in females (48.9%) than that in males (45.8%). The prevalence of Theileria was higher in cattle of free range (34.4%) compared with that of intensive farming (22.3%). The prevalence prior to 2013 (36.1%) was higher than that after 2013 (33.6%). Among three cattle species, dairy cows had the lowest prevalence (21.5%). The prevalence of Theileria (T.) annulata (22.2%) and T. sergenti (26.2%) was higher than other species of Theileria (T. buffeli: 17.5%, T. luwenshuni: 0.9%, T. orientalis: 15.5%, T. ovis: 0.21%, T. sinensis: 20.2%, T. uilenbergi: 6.2%, Others: 0.9%). We also analyzed the impact of different geographic factor subgroups (longitude, latitude, precipitation, temperature, humidity, and altitude) on the prevalence of Theileria in cattle. Among them, climatic factors of longitude, latitude, precipitation, humidity, temperature were associated with the prevalence of Theileria. These analyses suggested that Theileria was common in cattle in China. Targeted prevention programs based on geographic and climatic conditions in different areas may play an important role in reducing Theileria infection among cattle.
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Affiliation(s)
- Yu Chen
- College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin Province, 130600, PR China; College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Ying-Yu Chen
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Gang Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province 266109, PR China
| | - Chuang Lyu
- Shandong New Hope Liuhe Group Co., Ltd., Qingdao, Shandong Province, 266100, PR China
| | - Yang Hu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Qi An
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Hong-Yu Qiu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Quan Zhao
- College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin Province, 130600, PR China.
| | - Chun-Ren Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China.
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16
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Geng HL, Ni HB, Li JH, Jiang J, Wang W, Wei XY, Zhang Y, Sun HT. Prevalence of Cryptosporidium spp. in Yaks ( Bos grunniens) in China: A Systematic Review and Meta-Analysis. Front Cell Infect Microbiol 2021; 11:770612. [PMID: 34733797 PMCID: PMC8558464 DOI: 10.3389/fcimb.2021.770612] [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: 09/04/2021] [Accepted: 09/27/2021] [Indexed: 12/24/2022] Open
Abstract
Cryptosporidium spp., the causative agent of cryptosporidiosis, can infect a variety of hosts. So far, there has been limited information regarding Cryptosporidium spp. infection in yaks (Bos grunniens). Here, we performed the first systematic review and meta-analysis for Cryptosporidium spp. infection in yaks in China. To perform the meta-analysis, five databases (Chinese National Knowledge Infrastructure (CNKI), VIP Chinese journal database, WanFang Data, PubMed, and ScienceDirect) were employed to search for studies related to the prevalence of Cryptosporidium spp. in yaks in China. The total number of samples was 8,212, and the pooled Cryptosporidium spp. prevalence in yaks was estimated to be 10.52% (1192/8012). The prevalence of Cryptosporidium spp. in yaks was 13.54% (1029/5277) and 4.49% (148/2132) in northwestern and southwestern China, respectively. In the sampling year subgroups, the prevalence before 2012 (19.79%; 650/2662) was significantly higher than that after 2012 (6.07%; 437/4476). The prevalence of Cryptosporidium spp. in cold seasons (20.55%; 188/794) was higher than that in warm seasons (4.83%; 41/1228). In the age subgroup, the yaks with age < 12 months had a higher prevalence (19.47%; 231/1761) than that in yaks with age ≥12 months (16.63%; 365/2268). Among 12 Cryptosporidium spp. species/genotypes, the C. bovis had the highest prevalence. Moreover, the effects of geography (latitude, longitude, precipitation, temperature, and altitude) and climate on Cryptosporidium spp. infection in yaks were evaluated. Through analyzing the risk factors correlated with the prevalence of Cryptosporidium spp., we recommend that effective management measures should be formulated according to the differences of different geographical factors, in order to prevent cryptosporidiosis and reduce economic losses in yaks in China.
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Affiliation(s)
- Hong-Li Geng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Hong-Bo Ni
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Jing-Hao Li
- General Monitoring Station for Wildlife-Borne Infectious Diseases, State forestry and Grass Administration, Shenyang, China
| | - Jing Jiang
- College of Life Sciences, Changchun Sci-Tech University, Shuangyang, China
| | - Wei Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xin-Yu Wei
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Yuan Zhang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - He-Ting Sun
- General Monitoring Station for Wildlife-Borne Infectious Diseases, State forestry and Grass Administration, Shenyang, China
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17
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Zhou S, Sang Z, Wang L, Zhang T. Seroprevalence of Toxoplasma gondii in cats in mainland China 2016-2020: a meta-analysis. J Vet Sci 2021; 23:e13. [PMID: 34931504 PMCID: PMC8799937 DOI: 10.4142/jvs.21209] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/14/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Toxoplasma gondii can infect humans and most animals and has a very high infection rate worldwide, including in China. The number of people infected with T. gondii in China increases with the number of cats. OBJECTIVES We investigated the seropositive rate of T. gondii in cats over the last five years and analyzed the risk factors via meta-analysis. METHODS We retrieved 20 studies, with a total of 5,158 cats, published between 2016 and 2020, used the DerSimonian-Laird model and calculated seroprevalence estimates with the variance stabilizing double arcsine transformation. RESULTS The overall seroprevalence rate after sinusoidal conversion was 19.9% (95% confidence interval [CI], 15.9-23.9; 966/5,158), lower than the domestic report from 1995 to 2015 (24.5%, 95% CI, 20.1-29.0). There was substantial heterogeneity among studies (χ² = 262.32; p < 0.001; I² = 64.6%). Regression analysis of possible heterogeneous causes and subgroup analysis showed that age and whether cats were stray or not have a significant effect on the seropositive rate. CONCLUSIONS Articles published in recent five years suggest that the seroprevalence estimates of Toxoplasma gondii in cats has decreased. Cats, as the final host of T. gondii, are an important cause of the spread of the parasite, and this is an important concern for public health.
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Affiliation(s)
- Siyu Zhou
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
| | - Ziyin Sang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
| | - Lijun Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
| | - Tangjie Zhang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China.
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18
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Yang XY, Gong QL, Zhao B, Cai YN, Zhao Q. Prevalence of Cryptosporidium Infection in Sheep and Goat Flocks in China During 2010-2019: A Systematic Review and Meta-Analysis. Vector Borne Zoonotic Dis 2021; 21:692-706. [PMID: 34491122 DOI: 10.1089/vbz.2020.2713] [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] [Indexed: 11/12/2022] Open
Abstract
Cryptosporidiosis is an extensively contagious zoonotic waterborne disease caused by the genus Cryptosporidium and poses to be a danger to public health. Sheep and goats are an intermediate host of Cryptosporidium. Consequently, a first systematic review and meta-analysis are performed to assess the burden of the infection relative to the Cryptosporidium in sheep and goat flocks in China. Five databases were searched for relevant literature in accordance with the inclusion criteria until January 30, 2020. At last, a total of 33 qualified documents were included. We calculate the overall prevalence of Cryptosporidium (4.9%) in sheep and goats in China with the random-effects model. The prevalence after 2014 (4.6%) was higher than that before or in 2014 (2.8%). The pooled prevalence of Cryptosporidium in sheep and goats from Northern China (12.3%) was significantly higher (p < 0.05) than other regions. The infection rate of modified acid-fast staining (14.3%) was the highest among the detection methods. In age subgroups, the prevalence of Cryptosporidium in sheep and goats in 3 months or before was the highest (20.8%). Goats had a higher infection rate (5.9%) in species. The prevalence of large-scale farms (2.8%) was lower than free-ranging farms (4.4%). The medium quality level (6.4%) was the highest. Besides, geographical factors (such as latitude, longitude, height, precipitation, humidity, mean temperature, etc.) were further analyzed as potential risk factors of Cryptosporidium in sheep and goats. This meta-analysis indicates that the Cryptosporidium infection of Chinese sheep and goat flocks is general. Thus, it is necessary to further monitor the prevalence of Cryptosporidium, and the reasonable preventive strategy should be formulated on the basis of the geographical factors of different regions and the differences in sheep and goats' growth stages to reduce the prevalence of Cryptosporidium in sheep and goats.
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Affiliation(s)
- Xue-Yao Yang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, P.R. China.,College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, P.R. China
| | - Qing-Long Gong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, P.R. China
| | - Bo Zhao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, P.R. China
| | - Ya-Nan Cai
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, P.R. China
| | - Quan Zhao
- College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin Province, P.R. China
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Meng XZ, Li MY, Lyu C, Qin YF, Zhao ZY, Yang XB, Ma N, Zhang Y, Zhao Q. The global prevalence and risk factors of Cryptosporidium infection among cats during 1988-2021: A systematic review and meta-analysis. Microb Pathog 2021; 158:105096. [PMID: 34273476 DOI: 10.1016/j.micpath.2021.105096] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/03/2021] [Accepted: 07/11/2021] [Indexed: 12/15/2022]
Abstract
Cryptosporidiosis is an important zoonosis caused by Cryptosporidium. This disease causes a global public health problem. The cat is considered to be one of the potential hosts for transmitting Cryptosporidium to humans. In this study, a global meta-analysis for Cryptosporidium infection in cats was performed. The articles related to Cryptosporidium infection in cats were systematically searched in databases China National Knowledge Infrastructure (CNKI), Wanfang data, VIP Chinese Journal Database, PubMed, and ScienceDirect. Finally, 92 articles published from 1988 to 2021, which met the criteria of systematic review and meta-analysis, were collected. During the selected period, the overall prevalence of Cryptosporidium among cats was identified to be 6.0%. The prevalence of Cryptosporidium detected by microscopy, coproantigens, and molecular biology methods were 4.2%, 8.2%, and 5.0%, respectively. Among 9 species/genotypes (C. felis, C. parvum, C. muris, Cryptosporidium rat genotype IV, C. baileyi, C. ryanae, C. hominis, Cryptosporidium sp. rat genotype III and most closely related to Cryptosporidium sp. rat genotype III), the prevalence of C. parvum (4.2%) was significantly higher than that of other species/genotypes. Among five continents, the prevalence of Cryptosporidium in Africa (30.5%) was significantly higher than in other continents. We also analyzed the effects of different geographical factors (longitude, latitude, altitude, mean temperature, precipitation, and humidity) on Cryptosporidium infection among cats. The results showed that cryptosporidiosis was common in cats all over the world. This systematic review and meta-analysis has systematically introduced the global epidemiology of Cryptosporidium in cats and correlated risk factors. Health authorities, doctors, veterinarians and cat owners' awareness of the prevalence, risk factors and complications of Cryptosporidium are important for the development of effective prevention strategies for cryptosporidiosis.
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Affiliation(s)
- Xiang-Zhu Meng
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China; College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin Province, 130600, PR China
| | - Man-Yao Li
- Marine College, Shandong University, Weihai, Shandong Province, 264209, PR China
| | - Chuang Lyu
- Shandong New Hope Liuhe Group Co., Ltd, Qingdao, 266100, PR China; Qingdao Jiazhi Biotechnology Co., Ltd, Qingdao, 266100, PR China
| | - Yi-Feng Qin
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China
| | - Zi-Yu Zhao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China
| | - Xin-Bo Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China
| | - Ning Ma
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China
| | - Yuan Zhang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China.
| | - Quan Zhao
- College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin Province, 130600, PR China.
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Shi JF, Gong QL, Zhao B, Ma BY, Chen ZY, Yang Y, Sun YH, Wang Q, Leng X, Zong Y, Li JM, Du R. Seroprevalence of Brucellosis in Buffalo Worldwide and Associated Risk Factors: A Systematic Review and Meta-Analysis. Front Vet Sci 2021; 8:649252. [PMID: 34150882 PMCID: PMC8213021 DOI: 10.3389/fvets.2021.649252] [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: 01/04/2021] [Accepted: 05/03/2021] [Indexed: 11/25/2022] Open
Abstract
Background: Brucellosis is an important zoonotic disease caused by Brucella spp. Brucellosis is widely distributed in more than 160 or 170 countries around the world, where it poses a huge threat to animal husbandry and human health. About 150 million head of water buffalo, distributed across more than 40 countries worldwide, are kept for the purposes of service, milk, and meat. High incidence of Brucella spp. in buffalo has negatively affected dairy products and meat products. Results: We searched all research related to seroprevalence of brucellosis in water buffalo anywhere in the world in PubMed, Science Direct, SpringerLink, China National Knowledge Infrastructure, Wanfang Database, and VIP Chinese Journal Databases. A total of 26 articles published from 1985 to 2020 met the final selection criteria. The overall seroprevalence of buffalo brucellosis worldwide was 9.7%. The seroprevalence before 2010 (20.8%) (95% CI: 5.6–42.2) was much higher than the seroprevalence rate from 2010 to 2020 (4.2%) (95% CI: 1.8–7.5). Subgroup analysis by feeding mode found that the point estimate of seroprevalence in stock buffalo (11.5%) (95% CI: 3.6–23.0) was higher than that in captive buffalo (10.6%) (95% CI: 4.9–18.1). Subgroup analysis by farming mode found that the seroprevalence was higher in captive-bred buffalo (10.7%) (95% CI: 6.6–15.7) than in intensively farmed buffalo (8.5) (95% CI: 0.9–22.2). The seroprevalence in buffalo living in dry lands (6.4%) (95% CI: 2.0–12.9) is greater than that in buffalo living in wetlands (5.1%) (95% CI: 1.8–10.4) (P < 0.05). The seroprevalence in female buffalo (10.1%) (95% CI: 3.4–19.7) was higher than that in male buffalo (4.4%) (95% CI: 2.0–7.4). The seroprevalence in lactating buffalo was higher than that in buffalo of other ages (26.9%) (95% CI: 1.8–66.5). Subgroup analysis by detection method found that the seroprevalence detected by the complement fixation test (27.3%) (95% CI: 0.7–70.8) was much higher than that detected by other methods. Conclusion: The results of this meta-analysis showed that buffalo brucellosis infection is very common in buffalo herds around the world. Although the seroprevalence of brucellosis in buffalo and humans is relatively low, serious effects upon animal husbandry and public health make it necessary to take effective control and preventive measures to control the spread of this disease.
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Affiliation(s)
- Jun-Feng Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Qing-Long Gong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Bo Zhao
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Bao-Yi Ma
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Zi-Yang Chen
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Yang Yang
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Yu-Han Sun
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Qi Wang
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Xue Leng
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Ying Zong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China
| | - Rui Du
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, China.,Laboratory of Production and Product Application of Sika Deer of Jilin, Jilin Agricultural University, Changchun, China.,Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China
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21
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Gong QL, Zhao WX, Wang YC, Zong Y, Wang Q, Yang Y, Yang Y, Shi K, Li JM, Leng X, Du R, Zhao Q. Prevalence of coccidia in domestic pigs in China between 1980 and 2019: a systematic review and meta-analysis. Parasit Vectors 2021; 14:248. [PMID: 33971953 PMCID: PMC8108339 DOI: 10.1186/s13071-021-04611-x] [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: 01/07/2021] [Accepted: 01/26/2021] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND Swine coccidiosis, a protozoan disease caused by coccidia, can result in diarrhoea and weight loss in piglets and even economic losses in the pig industry. Here, we report the first systematic review and meta-analysis of the prevalence of coccidia (including Eimeria spp. and Cystoisospora suis) in pigs in China. METHODS Five databases (PubMed, ScienceDirect, Chinese Web of Knowledge, Wanfang, and Chongqing VIP) were searched and 50 studies (46,926 domestic pigs, 22 provinces) ultimately identified pertaining to the prevalence of coccidia infection from 1980 to 2019. We incorporated the effect size using the random-effects model in the "meta" package in R software and conducted univariate and multivariate meta-regression analyses using a mixed-effects model. RESULTS The pooled prevalence rate of coccidia in pigs was 21.9%, including the C. suis infection rate of 9.1%. The highest prevalence of coccidia (39.6%) was found in northwest China, and this region also presented the lowest prevalence of C. suis (4.7%). In the subgroup analysis based on sampling year, the highest prevalence of coccidia was detected in 2001 or earlier (32.6%), whereas the lowest rate was found in 2012 or later (14.3%). An opposite trend was observed for C. suis (5.5% in 2000 or earlier vs 14.4% in 2000 or later). The prevalence of coccidia in extensive farming systems (29.5%) was higher than that in intensive farming systems (17.3%). In contrast, the point estimate of C. suis prevalence was lower in the extensive farming systems (5.1%) than in the intensive farming systems (10.0%), but the difference was not significant (P > 0.05). Among the four age categories, the highest total coccidia prevalence (26.2%) was found in finishing pigs, followed by suckling piglets (19.9%), whereas the highest prevalence of C. suis (14.9%) was observed in suckling piglets. CONCLUSIONS Our findings suggest that coccidia infection in Chinese pigs is common, although the prevalence of C. suis in pigs does not receive sufficient attention. We recommend the rational use of anticoccidial drugs to avoid drug resistance and the development of preventive and control measures for C. suis to reduce the incidence of swine coccidiosis.
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Affiliation(s)
- Qing-Long Gong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China.,College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Wen-Xuan Zhao
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, Guizhou, People's Republic of China
| | - Yan-Chun Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Ying Zong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Qi Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Yang Yang
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Yi Yang
- School of Life Science, Jilin Normal University, Siping, 136000, Jilin, People's Republic of China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Xue Leng
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China
| | - Rui Du
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, 130118, Jilin, People's Republic of China.
| | - Quan Zhao
- College of Life Science, Changchun Sci-Tech University, Shuangyang, 130600, Jilin, People's Republic of China.
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22
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Gong QL, Ge GY, Wang Q, Tian T, Liu F, Diao NC, Nie LB, Zong Y, Li JM, Shi K, Leng X, Du R. Meta-analysis of the prevalence of Echinococcus in dogs in China from 2010 to 2019. PLoS Negl Trop Dis 2021; 15:e0009268. [PMID: 33798191 PMCID: PMC8018629 DOI: 10.1371/journal.pntd.0009268] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 02/23/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Echinococcosis (canine Echinococcus disease) is a neglected tropical disease that causes serious public harm. Dogs, as a terminal host of Echinococcus spp., are a key part of the Echinococcus epidemic. Echinococcosis spreads easily in humans and animals in some areas of China and it is therefore necessary to fully understand the prevalence of Echinococcus spp. in dogs. METHODOLOGY/PRINCIPAL FINDINGS PubMed, ScienceDirect, Chongqing VIP, China National Knowledge Infrastructure (CNKI), and WanFang databases were searched for relevant articles published in the past 10 years. A final total of 108 studies were included. The overall prevalence of Echinococcus spp. in dogs in China was 7.3%, with the highest point estimate found in sampling year 2015 (8.2%) and publication year 2015 (16.5%). Northwestern China (7.9%) had the highest infection rate in China. Qinghai Province (13.5%) showed the highest prevalence among the 11 provinces we included. We also found that geographical and climatic factors are related to the incidence of canine echinococcosis. We further investigated the source of heterogeneity by analysis of subgroups (sampling district, detection method, dog type, season, parasite species, medication, and study quality level). CONCLUSIONS/SIGNIFICANCE Our research indicated that Echinococcus spp. were still prevalent in some areas in China. More localized prevention and control policies should be formulated, including improving drinking water hygiene and strengthening hygiene promotion. We recommend the rational use of anti-Echinococcus drugs. In addition, treatment of livestock offal and feces and improving the welfare of stray dogs may play an important role in reducing canine Echinococcus infections.
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Affiliation(s)
- Qing-Long Gong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Gui-Yang Ge
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Qi Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Tian Tian
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Fei Liu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Nai-Chao Diao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Lan-Bi Nie
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, People’s Republic of China
| | - Ying Zong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
| | - Xue Leng
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
- * E-mail: (XL); (RD)
| | - Rui Du
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, Jilin Province, People’s Republic of China
- * E-mail: (XL); (RD)
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23
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Lv QB, Zeng A, Xie LH, Qiu HY, Wang CR, Zhang XX. Prevalence and Risk Factors of Toxoplasma gondii Infection Among Five Wild Rodent Species from Five Provinces of China. Vector Borne Zoonotic Dis 2021; 21:105-109. [PMID: 33290160 DOI: 10.1089/vbz.2020.2658] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Toxoplasma gondii, an intracellular zoonotic parasite, can infect humans and various animals worldwide. Wild rodents plan an important role as intermediate hosts of T. gondii. Some studies on T. gondii from wild rodents have been published, but the investigation data of T. gondii in wild rodents in China are limited. Therefore, brain tissue samples from 382 wild rodents in four provinces and one autonomous region of China were screened by PCR amplification of T. gondii B1 gene. Furthermore, the wild rodents were identified as five species based on their morphological characteristics, including Citellus dauricus (n = 35 from Heilongjiang), Lasiopodomys brandti (n = 81 from Inner Mongolia), Apodemus agrarius (n = 12 from Heilongjiang), Rattus norvegicus (n = 2 from Heilongjiang; n = 99 from Zhejiang; n = 54 from Shanxi), and Mus musculus (n = 99 from Guangxi). The overall prevalence of T. gondii in these wild rodents was 5.24% (20/382) in this study. At different regions, the highest prevalence of T. gondii was in Guangxi (12.12%) compared with other regions (0% in Heilongjiang; 2.47% in Inner Mongolia; 2.02% in Zhejiang; 7.41% in Shanxi). At different climates, the higher prevalence was found in temperate/mesothermal climates (7.07%) compared with continental/microthermal climates (3.26%). Also, the results showed that M. musculus had the highest prevalence of T. gondii infection (12.12%) among the rodent species sampled. Moreover, sampling year was significantly related to the prevalence of T. gondii in investigated wild rodents (p = 0.0117). This is the first report of T. gondii in wild rodents from Zhejiang, Guangxi, Shanxi, Heilongjiang provinces and Inner Mongolia autonomous region in China, providing the fundamental information for further prevention and control of toxoplasmosis in China.
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Affiliation(s)
- Qing-Bo Lv
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, China
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Ao Zeng
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, China
| | - Lin-Hong Xie
- General Station for Surveillance of Wildlife-borne Infectious Diseases, State Forestry and Grassland Administration, Shenyang, Liaoning, China
| | - Hong-Yu Qiu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, China
| | - Chun-Ren Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, China
| | - Xiao-Xuan Zhang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, China
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong, China
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24
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Dubey JP, Murata FHA, Cerqueira-Cézar CK, Kwok OCH, Yang YR. Public Health Significance of Toxoplasma gondii Infections in Cattle: 2009-2020. J Parasitol 2021; 106:772-788. [PMID: 33326588 DOI: 10.1645/20-82] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Toxoplasma gondii infections are common in humans and animals worldwide. The ingestion of food or water contaminated with oocysts excreted by infected cats or ingesting uncooked or undercooked meat containing tissue cysts of T. gondii are the 2 major modes of transmission of T. gondii. Viable T. gondii is more prevalent in pork and lamb than in beef. In the past decade, there have been many articles on the high seroprevalence in cattle, particularly from China. There is a report of an outbreak of acute toxoplasmosis in humans suspected to be linked to the ingestion of Artisan fresh cheese from cow's milk. There are conflicting reports concerning the rate of congenital transmission of T. gondii in cattle, especially from Brazil. In a report from Brazil, viable T. gondii was isolated from the blood of 1 of 60 pregnant cows slaughtered at an abattoir and from 1 fetus. The role of beef in the epidemiology of T. gondii infections is still not clear. Here, we review prevalence, persistence of infection, clinical disease, epidemiology, and public health risks of T. gondii infections in cattle from beef and cow's milk worldwide for the past decade.
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Affiliation(s)
- J P Dubey
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - F H A Murata
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - C K Cerqueira-Cézar
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - O C H Kwok
- United States Department of Agriculture, Agricultural Research Service, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, Building 1001, Beltsville, Maryland 20705-2350
| | - Y R Yang
- Laboratory of Veterinary Pathology, College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, PR China
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25
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Alves L, Lima J, Melo J, de Castro AM, Soares V, Rossi G, Teixeira W, Ferreira L, Cruz B, Felippelli G, Oliveira V, Brom P, Krawczak F, da Costa AJ, Lopes W. Spatial distribution of Toxoplasma gondii in cows and associated risk factors. Trop Anim Health Prod 2021; 53:76. [PMID: 33404940 DOI: 10.1007/s11250-020-02495-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 12/03/2020] [Indexed: 11/28/2022]
Abstract
The aim of the present study was to evaluate the spatial distribution of the prevalence of T. gondii in cows using the indirect immunofluorescence assay and determine associated risk factors. Serum samples were collected from 2970 cows on 263 rural farms in 223 municipalities. A questionnaire was administered to herd owners to collect data for the evaluation of risk factors associated with this disease. Mean seroprevalence of T. gondii in cows was 8.48% (95% CI: 7.48 to 9.49). The microregions with the greatest likelihood (p ≤ 0.05) of having infected animals were Anápolis, Ceres, São Miguel do Araguaia, the Federal District, Anicuns, and Vão do Paraná. The purchase of females or males for reproductive/breeding purposes was significantly associated (p ≤ 0.05) with the prevalence of T. gondii in these regions. A positive correlation (0.7618; p = 0.047) was found between the prevalence of T. gondii and total area in hectares of forests in these regions, suggesting that wild cats may be disseminating T. gondii at these sites. The present results highlight the importance of considering the meat from these animals to be an important infection route for humans who eat raw or undercooked food.
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Affiliation(s)
- Larissa Alves
- Escola de Veterinária e Zootecnia - EVZ, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil.,Agência Goiana de Defesa Agropecuária - AGRODEFESA, Goiânia, Goiás, Brazil
| | - Jaqueline Lima
- Instituto de Patologia Tropical e Saúde Pública - IPTSP, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil
| | - Jade Melo
- Instituto de Patologia Tropical e Saúde Pública - IPTSP, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil
| | - Ana Maria de Castro
- Instituto de Patologia Tropical e Saúde Pública - IPTSP, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil
| | - Vando Soares
- Universidade Brasil - Campus de Descalvado, Descalvado, São Paulo, Brazil
| | - Gabriel Rossi
- Centro Universitário Central Paulista (UNICEP) - Rua Miguel Petroni n.5111, CEP 13563-470, São Carlos, São Paulo, Brazil
| | - Weslen Teixeira
- Escola de Veterinária e Zootecnia - EVZ, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil
| | - Lorena Ferreira
- Escola de Veterinária, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Minas Gerais, Brazil.
| | - Breno Cruz
- Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista - Unesp, Jaboticabal, São Paulo, Brazil
| | - Gustavo Felippelli
- Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista - Unesp, Jaboticabal, São Paulo, Brazil
| | - Vanessa Oliveira
- Agência Goiana de Defesa Agropecuária - AGRODEFESA, Goiânia, Goiás, Brazil
| | - Paula Brom
- Agência Goiana de Defesa Agropecuária - AGRODEFESA, Goiânia, Goiás, Brazil
| | - Felipe Krawczak
- Escola de Veterinária e Zootecnia - EVZ, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil
| | - Alvimar José da Costa
- Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista - Unesp, Jaboticabal, São Paulo, Brazil
| | - Welber Lopes
- Escola de Veterinária e Zootecnia - EVZ, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil.,Instituto de Patologia Tropical e Saúde Pública - IPTSP, Universidade Federal de Goiás - UFG, Goiânia, Goiás, Brazil
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26
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Zhou S, Sang Z, Wang L, Zhang T. Seroprevalence of Toxoplasma gondii in cats in mainland China 2016–2020: a meta-analysis. J Vet Sci 2021. [DOI: 10.4142/jvs.2021.22.e83] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Siyu Zhou
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
| | - Ziyin Sang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
| | - Lijun Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
| | - Tangjie Zhang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225009, China
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27
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Wei XY, Gao Y, Lv C, Wang W, Chen Y, Zhao Q, Gong QL, Zhang XX. The global prevalence and risk factors of Toxoplasma gondii among foxes: A systematic review and meta-analysis. Microb Pathog 2020; 150:104699. [PMID: 33383150 DOI: 10.1016/j.micpath.2020.104699] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/25/2020] [Accepted: 12/11/2020] [Indexed: 12/21/2022]
Abstract
Toxoplasma gondii is one of the most successful intracellular protozoan parasites in the world, which can infect most warm-blooded animals including foxes in the world and cause toxoplasmosis. This is the first meta-analysis to assess the overall prevalence and potential risk factors of T. gondii among foxes in the world. Relevant studies were comprehensively collected from ScienceDirect, Springer-Link, PubMed, VIP Chinese Journal Databases (VIP), WanFang, and China National Knowledge Infrastructure (CNKI) databases. The random-effect model was used to calculate pooled prevalence with 95% confidence intervals (CI) and analyzed data were from 20 countries. The pooled T. gondii prevalence in foxes was estimated to be 39.6%. T. gondii has the highest prevalence in North America (51.2%), and lowest in Asia (8.3%). The prevalence in the sub-group after 2006 (44.7%) was lower than 2006 or before (48.5%). The prevalence in female foxes was 46.1%, which was higher than that in male foxes (19.7%). In species subgroup, red fox has the highest prevalence (46.8%). Wild foxes have a higher rate of infection (40.8%) than captive foxes (8.4%). Genotype Ⅱ of T. gondii is the most prevalent in foxes. We also evaluated the effects of geographical and climate variables on pooled prevalence of T. gondii in foxes. Our research indicated that toxoplasmosis widely existed in the world. The investigation of T. gondii infection in wild animals can provide an estimate of environmental pollution and T. gondii circulation in the ecosystem. It is essential for us to prevent and control T. gondii infection in foxes in order to reduce the risk of human infection.
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Affiliation(s)
- Xin-Yu Wei
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Yang Gao
- Chongqing Auleon Biological Co Ltd, Rongchang, Chongqing, 402460, PR China; The Key Sericultural Laboratory of Agricultural Ministry, College of Biotechnology, Southwest University, Chongqing, 400715, PR China
| | - Chuang Lv
- Shandong New Hope Liuhe Group Co Ltd, Qingdao, 266100, PR China
| | - Wei Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Yu Chen
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China
| | - Quan Zhao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China
| | - Qing-Long Gong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province, 130118, PR China.
| | - Xiao-Xuan Zhang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province, 163319, PR China; College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China
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Ma BY, Gong QL, Sheng CY, Liu Y, Ge GY, Li DL, Diao NC, Shi K, Li JM, Sun ZB, Zong Y, Leng X, Du R. Prevalence of bovine leukemia in 1983-2019 in China: A systematic review and meta-analysis. Microb Pathog 2020; 150:104681. [PMID: 33296716 DOI: 10.1016/j.micpath.2020.104681] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 01/18/2023]
Abstract
Bovine leukemia is a chronic, progressive, contagious tumor disease characterized by malignant lymphoid cell hyperplasia and systemic lymphadenopathy, and is caused by bovine leukemia virus (BLV). The disease affects almost all countries and regions where livestock are raised, and may even be a potential zoonotic disease. Monitoring and early prevention of bovine leukemia is very important. Therefore, we conducted this meta-analysis, the first of its type in the country, to estimate the prevalence of bovine leukemia in 1983-2019 in China. We included a total of 35 publications reported in 1983-2019 from the PubMed, ScienceDirect, Chinese Web of Knowledge (CNKI), VIP Chinese, and Wan Fang databases. In those articles, a total of 34,954 cattle had been tested, of which 4701 were positive for BLV infection. The estimated pooled BLV prevalence was 10.0% (4701/34,954). Subgroup analysis showed that there were significant differences for sampling years, detection methods, and age. BLV prevalence was highest in the following subgroups: sampled before 1985 (38.5%, 437/1134), age 3-5 years (22.5%, 231/1044), and detected by PCR (17.9%, 1228/5100). Regarding geographic factors, there were significant differences in the latitude and elevation subgroups. BLV prevalence was lowest in the subgroups of 20-30° latitude (3.3%, 255/5069) 200-1000 m altitude (2.2%, 560/11,990). We also analyzed other subgroups such as region, variety, breeding method, precipitation, humidity, and temperature, however, the differences were not significant. Our research indicated that the BLV was still prevalent in some of areas in China. We recommend strengthening the testing of cattle aged >1 year and using flexible testing methods such as PCR to control the prevalence of bovine leukemia and to prevent persistent infection.
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Affiliation(s)
- Bao-Yi Ma
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China; College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Qing-Long Gong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Chen-Yan Sheng
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Yi Liu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Gui-Yang Ge
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Dong-Li Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Nai-Chao Diao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Zhi-Bo Sun
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Ying Zong
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China
| | - Xue Leng
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China.
| | - Rui Du
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, Jilin Province 130118, PR China.
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