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Xiao HD, Su N, Zhang ZD, Dai LL, Luo JL, Zhu XQ, Xie SC, Gao WW. Prevalence and Genetic Characterization of Giardia duodenalis and Blastocystis spp. in Black Goats in Shanxi Province, North China: From a Public Health Perspective. Animals (Basel) 2024; 14:1808. [PMID: 38929427 PMCID: PMC11201008 DOI: 10.3390/ani14121808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 06/07/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Blastocystis spp. and Giardia duodenalis are two prevalent zoonotic intestinal parasites that can cause severe diarrhea and intestinal diseases in humans and many animals. Black goat (Capra hircus) farming is increasingly important in China due to the remarkable adaptability, high reproductive performance, rapid growth rate, and significant economic value of black goats. A number of studies have indicated that black goats are the potential reservoir of multiple zoonotic protozoans in China; however, the prevalence and zoonotic status of G. duodenalis and Blastocystis spp. in black goats in Shanxi Province is still unknown. Thus, a total of 1200 fecal samples of black goats were collected from several representative regions at different altitudes in Shanxi Province and were examined for the presence and genotypes of G. duodenallis and Blastocystis spp. by amplifying the beta-giardin (bg), glutamate dehydrogenase (gdh), and triosephosphate isomerase (tpi) loci of G. duodenalis and SSU rRNA of Blastocystis spp. using PCR and sequence analysis methods, respectively. The overall prevalence of G. duodenalis and Blastocystis spp. in black goats in Shanxi Province were 7.5% and 3.5%, respectively. Two assemblages (B and E) of G. duodenalis and four subtypes (ST5, ST10, ST14, and ST30) of Blastocystis spp. were identified, with assemblage E and ST10 as the prevalent genotype and subtype in black goats, respectively. One novel multilocus genotype (MLG) was identified in MLG-E and was designated as MLG-E12. For both G. duodenalis and Blastocystis spp., the prevalence was significantly related to the region and age groups (p < 0.05). This is the first report on the prevalence of G. duodenalis and Blastocystis spp. in black goats in Shanxi Province. These results not only provide baseline data for the prevention and control of both parasites in black goats in Shanxi Province, but also enhance our understanding of the genetic composition and zoonotic potential of these two parasites.
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Affiliation(s)
- Han-Dan Xiao
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
| | - Nan Su
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
| | - Ze-Dong Zhang
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
| | - Ling-Ling Dai
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
| | - Jun-Lin Luo
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
| | - Xing-Quan Zhu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
- Key Laboratory of Veterinary Public Health of Higher Education of Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming 650201, China
| | - Shi-Chen Xie
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
| | - Wen-Wei Gao
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, China; (H.-D.X.); (N.S.); (Z.-D.Z.); (L.-L.D.); (J.-L.L.); (X.-Q.Z.); (S.-C.X.)
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Gao WW, Zhang S, Zhang TH, Xiao HD, Su N, Tao MF, Wu ZX, Zhang ZD, Zhu XQ, Xie SC. Prevalence and Multilocus Genotyping of Giardia duodenalis in Donkeys in Shanxi Province, North China. Animals (Basel) 2023; 13:3771. [PMID: 38136808 PMCID: PMC10740759 DOI: 10.3390/ani13243771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/26/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Giardia duodenalis is a ubiquitous flagellated protozoan, causing significant economic losses to animal husbandry and posing threats to public health. China ranks the world's sixth largest major producer of donkeys, rearing approximately 2.6 million donkeys in 2019, but limited investigation of G. duodenalis prevalence has been conducted in the past, and it is yet to be known whether donkeys in Shanxi Province are infected with G. duodenalis. In the present study, a total of 815 fecal samples collected from donkeys in representative regions of Shanxi Province, North China, were examined for G. duodenalis using nested PCR. Then, the assemblages and multilocus genotypes (MLGs) were examined based on three established loci: namely, β-giardin (bg), triosephosphate isomerase (tpi), and glutamate dehydrogenase (gdh). The overall prevalence of G. duodenalis in donkeys in Shanxi Province was 16.81% (137/815). The region was identified as the main risk factor for the observed difference in G. duodenalis prevalence in donkeys among the three study areas (χ2 = 21.611, p < 0.001). Assemblages A, E, and B were identified, with the latter as the predominant assemblage. Three MLGs (MLG-novel-1 to 3) were formed based on sequence variation among the three loci. The present study reveals the presence of G. duodenalis in donkeys in Shanxi Province, North China, for the first time, which not only enriches the data on the distribution of G. duodenalis in donkeys in China but also provides useful baseline data for planning control strategies against G. duodenalis infection in the sampled areas.
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Affiliation(s)
- Wen-Wei Gao
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Shuo Zhang
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Tian-Hong Zhang
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Han-Dan Xiao
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Nan Su
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Meng-Fan Tao
- Shanxi Key Laboratory of Integrated Pest Management in Agriculture, College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, China;
| | - Ze-Xuan Wu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Ze-Dong Zhang
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
| | - Xing-Quan Zhu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
- Key Laboratory of Veterinary Public Health of Higher Education of Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming 650201, China
| | - Shi-Chen Xie
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (S.Z.); (T.-H.Z.); (H.-D.X.); (N.S.); (Z.-X.W.); (Z.-D.Z.); (X.-Q.Z.)
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Xu C, Tuo H, Wang W, Zhang Z, Yu F, Chuai L, Qi M, Jing B. Occurrence and genetic characteristics of Giardia duodenalis in donkeys in Xinjiang, China. Parasite 2023; 30:50. [PMID: 38015006 PMCID: PMC10683582 DOI: 10.1051/parasite/2023052] [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: 07/15/2023] [Accepted: 11/04/2023] [Indexed: 11/29/2023] Open
Abstract
Giardia duodenalis is a common enteric parasite in humans and animals. To examine the occurrence and genetic characteristics of Giardia in donkeys in Xinjiang, China, 758 fecal samples from donkeys were collected, and Giardia was screened via PCR at the SSU rRNA gene. A total of 17.0% (129/758) of samples tested positive for Giardia, with the infection rate in large-scale farm and domestic donkeys being 21.4% (124/580) and 2.8% (5/178), respectively; the infection rates in <1-year-old and ≥1-year-old donkeys were 19.3% (72/374) and 12.7% (41/323), respectively. Three Giardia assemblages were identified, with assemblage B (n = 102) as the prevalent assemblage, followed by assemblage A (n = 23) and assemblage E (n = 4). Of the 129 Giardia-positive isolates, 40, 34 and 59 sequences were obtained at the bg, gdh and tpi genes, respectively. Twenty-one isolates successfully allowed multilocus genotyping (MLG), with four novel assemblage A MLGs, named MLG-AI-1 (n = 1), MLG-AI-2 (n = 1), MLG-AI-3 (n = 1), and MLG-AI-4 (n = 1) and three novel assemblage B MLGs, named MLG-B1 (n = 1), MLG-B2 (n = 14), and MLG-B3 (n = 1). Moreover, two isolates formed two MLG-mixed sequences. The results suggest that donkeys are commonly infected with Giardia in Xinjiang, and there is genetic diversity and host adaptability among the isolates.
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Affiliation(s)
- Chunyan Xu
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Haixin Tuo
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Wen Wang
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Zhenjie Zhang
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Fuchang Yu
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Liwen Chuai
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Meng Qi
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
| | - Bo Jing
- College of Animal Science and Technology, Tarim University, Alar Xinjiang 843300 China
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Zhao L, Zhang ZS, Han WX, Yang B, Chai HL, Wang MY, Wang Y, Zhang S, Zhao WH, Ma YM, Zhan YJ, Wang LF, Ding YL, Wang JL, Liu YH. Prevalence and molecular characterization of Giardia duodenalis in dairy cattle in Central Inner Mongolia, Northern China. Sci Rep 2023; 13:13960. [PMID: 37634027 PMCID: PMC10460406 DOI: 10.1038/s41598-023-40987-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 08/19/2023] [Indexed: 08/28/2023] Open
Abstract
Giardia duodenalis is a gastrointestinal protozoan ubiquitous in nature. It is a confirmed zoonotic pathogen, and cattle are considered a source of giardiasis outbreaks in humans. This study aimed to evaluate the prevalence and multilocus genotype (MLG) of G. duodenalis in dairy cattle in Central Inner Mongolia. This study was based on the small subunit ribosomal RNA (SSU rRNA), glutamate dehydrogenase (gdh), triosephosphate isomerase (tpi), and beta-giardin (bg) genes of G. duodenalis. DNA extraction, polymerase chain reaction (PCR), and sequence analysis were performed on 505 dairy cattle fecal samples collected in 2021 from six sampling sites and four age groups in Central Inner Mongolia to determine the prevalence and MLG distribution of G. duodenalis. The PCR results of SSU rRNA revealed that the overall prevalence of G. duodenalis was 29.5% (149/505) and that the overall prevalence of the diarrhea and nondiarrhea samples was 31.5% (46/146) and 28.5% (103/359), respectively; the difference was not significant (p > 0.05). SSU rRNA sequence analysis revealed that G. duodenalis assemblage E (91.1%, 133/146) was primarily detected and that assemblage A (8.9%, 13/146) was detected in 13 samples. The G. duodenalis-positive samples were PCR amplified and sequenced for gdh, tpi, and bg, from which 38, 47, and 70 amplified sequences were obtained, respectively. A combination of G. duodenalis assemblages A and E were detected in seven samples. Multilocus genotyping yielded 25 different assemblage E MLGs, which formed six subgroups. To the best of our knowledge, this is the first report regarding G. duodenalis infection in dairy cattle in Inner Mongolia, China. This study revealed that Inner Mongolian cattle pose a risk of giardiasis transmission to humans and that the distribution of local cattle G. duodenalis assemblage E MLGs is diverse. The findings of this study can bridge the knowledge gap in the molecular epidemiological investigation of giardiasis in Central Inner Mongolia.
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Affiliation(s)
- Li Zhao
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
- Key Laboratory of Clinical Diagnosis and Treatment Technology in Animal Disease, Ministry of Agriculture and Rural Affairs, Hohhot, China
| | - Zhan-Sheng Zhang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Wen-Xiong Han
- Inner Mongolia Saikexing Reproductive Biotechnology (Group) Co., Ltd., Hohhot, China
| | - Bo Yang
- Animal Disease Control Center of Ordos, Ordos, China
| | - Hai-Liang Chai
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Ming-Yuan Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Yan Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Shan Zhang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Wei-Hong Zhao
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Yi-Min Ma
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Yong-Jie Zhan
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Li-Feng Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
| | - Yu-Lin Ding
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
- Key Laboratory of Clinical Diagnosis and Treatment Technology in Animal Disease, Ministry of Agriculture and Rural Affairs, Hohhot, China
| | - Jin-Ling Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China
- Key Laboratory of Clinical Diagnosis and Treatment Technology in Animal Disease, Ministry of Agriculture and Rural Affairs, Hohhot, China
| | - Yong-Hong Liu
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China.
- Key Laboratory of Clinical Diagnosis and Treatment Technology in Animal Disease, Ministry of Agriculture and Rural Affairs, Hohhot, China.
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Geng HL, Yan WL, Wang JM, Meng JX, Zhang M, Zhao JX, Shang KM, Liu J, Liu WH. Meta-analysis of the prevalence of Giardia duodenalis in sheep and goats in China. Microb Pathog 2023; 179:106097. [PMID: 37062491 DOI: 10.1016/j.micpath.2023.106097] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 03/01/2023] [Accepted: 04/01/2023] [Indexed: 04/18/2023]
Abstract
Giardia duodenum (G. duodenalis) can cause giardiasis and infect a variety of hosts. So far, there have been no detailed data regarding the positive rate of G. duodenalis in sheep and goats in China. Here, a systematic literature review was carried out to investigate the epidemiology of G. duodenalis in sheep and goats in China. To perform the meta-analysis, the databases CNKI, VIP, WanFang, PubMed, Web of science and ScienceDirect were employed for screening studies related to the prevalence of G. duodenalis in sheep and goats in China. The total prevalence of G. duodenalis in sheep and goats was estimated to be 7.00% (95% CI: 4.00-10.00). In the age subgroup, the prevalence of G. duodenalis in sheep and goats of >12 months (11.29%; 95% CI: 8.08-14.97) was higher than that in sheep and goats of ≤12 months (7.57%; 95% CI: 3.95-12.24). An analysis based on seasons showed that the prevalence of G. duodenalis in sheep and goats was higher in summer (11.90%; 95% CI: 0.50-35.05) than that in other seasons. The prevalence of G. duodenalis in sheep and goats after 2016 was 8.57% (95% CI: 5.34-11.79), which was higher than others. The highest prevalence of G. duodenalis in sheep and goats was 13.06% (95% CI: 6.26-19.86) recorded in Southwestern China. The prevalence of Giardia infection in sheep (7.28%; 95% CI: 2.30-14.73) was higher than that in goats (5.43%; 95% CI: 2.73-8.98). The NOAA's National Center for Environmental Information (https://gis.ncdc.noaa.gov/maps/ncei/cdo/monthly) was used to extract relevant geoclimatic data (latitude, longitude, elevation, temperature, precipitation, humidity, and climate). By analyzing the data of each subgroup, it was shown that region, genetype, and climate were potential risk factors for giardiasis prevalence in sheep and goats. Based on the analysis of common factors and geographical factors, it is recommended to strengthen effective management measures (e.g. ventilation and disinfection in warm and humid areas) and formulate relevant policies according to local conditions. Breeders should strengthen the detection of G. duodenalis in sheep and goats, customize corresponding control measures according to the diet and living habits of sheep and goats, and strengthen the protection of sheep and lamb calves, so as to reduce the incidence rate and reduce the economic loss of China's animal husbandry.
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Affiliation(s)
- Hong-Li Geng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China
| | - Wei-Lan Yan
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China; College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin, PR China
| | - Jian-Min Wang
- Shandong New Hope Liuhe Group Co., Ltd., Qingdao, 266100, PR China
| | - Jin-Xin Meng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China
| | - Miao Zhang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China
| | - Ji-Xin Zhao
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China
| | - Kai-Meng Shang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China
| | - Jing Liu
- College of Life Science, Changchun Sci-Tech University, Shuangyang, Jilin, PR China.
| | - Wen-Hua Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, PR China.
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Zhao Q, Lu C, Pei Z, Gong P, Li J, Jian F, Jing B, Qi M, Ning C. Giardia duodenalis in Hu sheep: occurrence and environmental contamination on large-scale housing farms. Parasite 2023; 30:2. [PMID: 36700707 PMCID: PMC9886085 DOI: 10.1051/parasite/2023004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 01/09/2023] [Indexed: 01/27/2023] Open
Abstract
Giardia duodenalis is a common zoonotic intestinal parasitic protozoan and sheep are among its hosts; however, limited information is available on sheep kept in large-scale housing. The Hu sheep is a first-class protected local livestock breed in China. In this study, we investigated the seasonal dynamics of G. duodenalis infection in Hu sheep and the environmental contamination of large-scale sheep farms. We collected 474 fecal samples and 312 environmental samples from Hu sheep on a large-scale sheep farm in Henan, China. The prevalence of G. duodenalis was determined by nested PCR targeting the β‑giardin (bg) gene. The assemblages and multilocus genotypes (MLGs) were investigated based on analyses of three genetic loci, i.e. bg, glutamate dehydrogenase (gdh), and triosephosphate isomerase (tpi). To detect mixed infections of different assemblages, assemblage A/E-specific PCRs were performed to amplify the tpi gene. The prevalence of G. duodenalis infection in sheep was 17.9% (81/474) and the positivity rate in environmental samples was 0.96% (3/312). Genetic analysis revealed the presence of two assemblages (assemblages A and E), with assemblage E being detected in both fecal and environmental samples, and assemblage A detected only in fecal samples. A total of 23 MLGs were obtained in fecal and environmental samples, all of which belonged to assemblage E. These results indicate the seasonal dynamics of G. duodenalis infection in sheep and environmental contamination on large-scale housing sheep farms and provide an important reference for the prevention and control of G. duodenalis on large-scale housing sheep farms.
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Affiliation(s)
- Qianming Zhao
- College of Animal Science and Technology, Tarim University Alar 843300 Xinjiang PR China,College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China
| | - Chenyang Lu
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China
| | - Zhiyang Pei
- College of Animal Science and Technology, Tarim University Alar 843300 Xinjiang PR China
| | - Pihong Gong
- College of Animal Science and Technology, Tarim University Alar 843300 Xinjiang PR China
| | - Junqiang Li
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China
| | - Fuchun Jian
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China
| | - Bo Jing
- College of Animal Science and Technology, Tarim University Alar 843300 Xinjiang PR China
| | - Meng Qi
- College of Animal Science and Technology, Tarim University Alar 843300 Xinjiang PR China,Corresponding authors: ;
| | - Changshen Ning
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,Corresponding authors: ;
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Park YJ, Cho HC, Jang DH, Park J, Choi KS. Multilocus genotyping of Giardia duodenalis in pre-weaned calves with diarrhea in the Republic of Korea. PLoS One 2023; 18:e0279533. [PMID: 36638106 PMCID: PMC9838842 DOI: 10.1371/journal.pone.0279533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 12/08/2022] [Indexed: 01/14/2023] Open
Abstract
Giardia duodenalis is a protozoan parasite that infects humans, companion animals, livestock, and wildlife. Infections in cattle caused by this parasite are often asymptomatic, but such infections can cause diarrhea, reduced weight gain, and ill-thrift in young calves. Although G. duodenalis causes diarrhea in calves, only a few studies have been conducted on calves in the Republic of Korea (ROK). Here, we aimed to determine the prevalence and distribution of G. duodenalis assemblages in pre-weaned calves with diarrhea in the ROK, identify the association between the occurrence of G. duodenalis and the age of calf, and perform molecular characterization of G. duodenalis. We collected 455 fecal samples from pre-weaned native Korean calves (≤60 days old) with diarrhea in four different regions. G. duodenalis was detected using nested PCR targeting the beta-giardin (bg) gene, and positive samples were further genotyped for the glutamate dehydrogenase (gdh) and triosephosphate isomerase (tpi) genes. The overall prevalence of G. duodenalis in calves with diarrhea was 4.4% (20/455) based on the analysis of bg. The highest prevalence was observed in calves aged 11-30 days (7.5%; 95% confidence interval: 3.7%-11.3%), whereas the lowest prevalence was observed in neonatal calves. From the 20 samples that were positive for bg, 16, 5, and 6 sequences were obtained following genotyping of bg, gdh, and tpi, respectively. Sequencing analysis of the bg gene revealed the presence of assemblage E (n = 15) and sub-assemblage AⅠ (n = 1) in the samples. Moreover, we detected mixed infections with assemblages E and A in two calves for the first time. Among the sequences obtained herein, two new subtypes of assemblage E were detected in gdh and tpi sequences each. The results suggest that G. duodenalis is an infectious agent causing diarrhea in calves, and pre-weaned calves are at a higher risk of infection than neonatal calves. Multilocus genotyping should be performed to confirm the presence of potentially zoonotic genotypes. These results highlight the importance of cattle as a source of zoonotic transmission of G. duodenalis to humans.
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Affiliation(s)
- Yu-Jin Park
- Department of Animal Science and Biotechnology, College of Ecology and Environmental Science, Kyungpook National University, Sangju, Republic of Korea
| | - Hyung-Chul Cho
- Department of Animal Science and Biotechnology, College of Ecology and Environmental Science, Kyungpook National University, Sangju, Republic of Korea
| | - Dong-Hun Jang
- Department of Animal Science and Biotechnology, College of Ecology and Environmental Science, Kyungpook National University, Sangju, Republic of Korea
| | - Jinho Park
- College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Kyoung-Seong Choi
- Department of Animal Science and Biotechnology, College of Ecology and Environmental Science, Kyungpook National University, Sangju, Republic of Korea
- * E-mail:
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Fu Y, Dong H, Bian X, Qin Z, Han H, Lang J, Zhang J, Zhao G, Li J, Zhang L. Molecular characterizations of Giardia duodenalis based on multilocus genotyping in sheep, goats, and beef cattle in Southwest Inner Mongolia, China. PARASITE (PARIS, FRANCE) 2022; 29:33. [PMID: 35801842 PMCID: PMC9265451 DOI: 10.1051/parasite/2022036] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 06/24/2022] [Indexed: 11/14/2022]
Abstract
Giardia duodenalis is an important zoonotic parasite that causes economic losses to animal husbandry and threatens public health. In the present study, a total of 1466 fresh fecal samples were collected from sheep (n = 797), goats (n = 561) and beef cattle (n = 108) in Southwest Inner Mongolia, China. Giardia duodenalis was initially screened via nested polymerase chain reaction (PCR) targeting the β-giardin (bg) gene, and bg-positive samples were subjected to PCR amplification targeting the glutamate dehydrogenase (gdh) and triose phosphate isomerase (tpi) genes. A total of 4.0% of samples (58/1466) were positive for G. duodenalis, with a prevalence of 3.4% in sheep, 3.7% in goats and 5.2% in beef cattle. Three G. duodenalis assemblages (A, B, and E) were identified, with E as the prevalent assemblage. Four and one novel assemblage E sequences were obtained for the gdh and tpi loci, respectively and four assemblage E multilocus genotypes (MLG) were obtained. This study demonstrates high genetic variations in G. duodenalis assemblage E, and provides baseline data for preventing and controlling G. duodenalis infection in livestock in Inner Mongolia.
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Affiliation(s)
- Yin Fu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Heping Dong
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Xiaokun Bian
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Ziyang Qin
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Han Han
- Norman Bethune Health Science Center of Jilin University, Changchun 130015, China
| | - Jiashu Lang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Junchen Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Guanghui Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Junqiang Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
| | - Longxian Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China - International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou 450046, China
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