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Chen HL, Chen YS. Prevalence of coccidia in lagomorphs in China between 1981 and 2023: A systematic review and meta-analysis. Vet Parasitol 2024; 328:110185. [PMID: 38642525 DOI: 10.1016/j.vetpar.2024.110185] [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: 03/04/2024] [Revised: 04/11/2024] [Accepted: 04/11/2024] [Indexed: 04/22/2024]
Abstract
Lagomorpha coccidiosis, caused by coccidia, is a prevalent disease affecting rabbits, hares and pikas. This meta-analysis aimed to estimate the pooled prevalence of coccidia infection in lagomorphs and identify potential risk factors. A systematic search of six databases yielded 102 studies published between 1981 and 2023. The pooled prevalence of Eimeriidae, Sarcocystidae and Cryptosporidiidae in lagomorphs was 76.4%, 6.2% and 3.9%, respectively. Rabbits had the highest prevalence of Eimeriidae (76.8%) and Sarcocystidae (7.4%), while pikas had the highest prevalence of Cryptosporidiidae (6.2%). Juvenile rabbits exhibited the highest prevalence of Eimeriidae (84.6%) and Cryptosporidiidae (9.9%). Northwest China had the highest prevalence of Eimeriidae (87.8%). Over time, the prevalence of Eimeriidae declined (Coefficient: -0.0062; P<0.05), but remained high (65.0%) in the past five years. Our findings highlight the prevalence of Eimeriidae infection in lagomorphs and the need for further research on Sarcocystidae and Cryptosporidiidae infections. We emphasize the importance of developing lagomorpha coccidia vaccines and implementing vaccination schedules for juvenile rabbits to mitigate coccidia infections.
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Affiliation(s)
- Huang-Liang Chen
- School of Public Health, Lanzhou University, Lanzhou, Gansu Province 730000, China.
| | - You-Si Chen
- School of Nursing, Jiangxi University of Technology, Nanchang, Jiangxi Province 330000, China.
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Munzhelele P, Sibeko NPS, Oguttu JW, Mbajiorgu CA, Fasina FO. Parasites burden in peri-urban free-roaming pigs in Gert Sibande District Municipality, Mpumalanga Province, South Africa. J S Afr Vet Assoc 2024; 95:55-66. [PMID: 38533816 DOI: 10.36303/jsava.601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024] Open
Abstract
BACKGROUND Parasite infections, unlike regulated animal diseases, do not often receive attention. In fact, parasites are major sources of financial losses in pig enterprises, particularly in subsistence and small-scale pig production systems. OBJECTIVE To identify and quantify the prevalence of ecto- and endo-parasites among peri-urban free-roaming pigs (FRP) in Gert Sibande District Municipality (GSDM), Mpumalanga. METHODS Pig owners were identified using the snowball sampling method since no sampling frame for FRP farmers exists. Stratified sampling was used to select pigs for sampling for ecto- and endo-parasites. A form was used to record the observations. Pairwise correlation analysis was performed using Stata 15.0. The SPSS V28.0 statistical package was used to perform the chi-square test (X2) to assess the distribution of parasites in different age groups. The prevalence of parasites was assessed in different age groups of pigs using multi-response crosstabs. Multivariate analysis of variance (MANOVA) was used to estimate the marginal mean of parasites according to municipality. Statistical significance was assessed at α ≤ 0.05. RESULTS Over 90% (91.2%) of the pigs examined were infested with at least one parasite, including Haematopinus suis, Sarcoptes scabiei, Ascaris suum, Fasciola hepatica, Trichuris suis, Strongylids, Coccidia spp, Moniezia expansa, and Siphonaptera spp. The correlation between Ascaris suum and body condition was weak but statistically significant (r = 0.24; p < 0.05). CONCLUSION Policy makers, animal researchers and veterinary services must focus on developing policies, risk communication and community engagement materials, which target pig farmers in peri-urban areas such as Gert Sibande District Municipality, Mpumalanga Province.
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Affiliation(s)
- P Munzhelele
- Nooitgedacht Research Station, Animal Research, Non-ruminant Sub-directorate, Department of Agriculture, Rural Development, Land Administration and Environmental Affairs, South Africa
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, South Africa
| | - N P S Sibeko
- Parasitology Unit, Department of Agriculture, Rural Development, Land and Environmental Affairs, Mpumalanga Provincial Veterinary Laboratory, South Africa
| | - J W Oguttu
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, South Africa
| | - C A Mbajiorgu
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, South Africa
| | - F O Fasina
- Food and Agriculture Organization of the United Nations, Italy
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, South Africa
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Deak G, González-Amador L, Goyena E, Cârstolovean AS, Risueño J, Berriatua E. On the efficacy of preventive toltrazuril treatments and the diagnosis of Cystoisospora suis infections in intensively raised piglets in farms from southeast Spain. Parasitol Res 2024; 123:109. [PMID: 38265495 PMCID: PMC10808256 DOI: 10.1007/s00436-024-08127-y] [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: 11/09/2023] [Accepted: 01/15/2024] [Indexed: 01/25/2024]
Abstract
This study investigated the presence and abundance of Cystoisospora suis oocysts in faecal samples from 131 one- to three-week-old pig litters belonging to eight intensively raised, indoor herds in Spain. Seven herds used preventive anticoccidial toltrazuril treatments administered orally or by intramuscular injection, and one did not use preventive anticoccidial treatments. The diagnosis was performed using two oocyst flotation-concentration methods, Bailenger's method in every herd and the more recent Joachim's method in four herds. Oocysts were detected in every farm, the proportion of oocyst-positive samples was higher with Bailenger's technique, and the estimated overall prevalence (95% confidence interval) was 40 (32-49)%, including 47 (29-65)% in non-medicated litters, 52 (38-67)% in orally medicated litters and 28 (16-40)% in intramuscularly medicated litters (p < 0.05). However, mixed logistic regression models indicated that the risk of infection was not significantly associated with preventive anticoccidial treatments (p > 0.05), and increased with age, was higher in herds with partially compared to fully slatted dung floors in farrowing pens and in litters with pigs with diarrhoea (p < 0.05). The median (range) oocysts per gram of faeces (OpG) in infected litters by Bailenger's method was 623 (35-49048) and mixed negative binomial models revealed no significant association between infection intensity in positive litters and pen's floor type and piglets age, faecal consistency and treatment status (p > 0.05). The apparent low efficacy of Toltrazuril suggests treatment administration failures, reduced residual efficacy or low susceptibility of C. suis strains in study farms and needs further investigation.
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Affiliation(s)
- Georgiana Deak
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
| | - Lola González-Amador
- Department of Animal Health, Faculty of Veterinary Science, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain
| | - Elena Goyena
- Department of Animal Health, Faculty of Veterinary Science, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain
| | - Andrada-Silvia Cârstolovean
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania
| | - José Risueño
- Department of Animal Health, Faculty of Veterinary Science, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain
| | - Eduardo Berriatua
- Department of Animal Health, Faculty of Veterinary Science, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100, Murcia, Spain.
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Estaño LA, Jumawan JC. The prevailing infection of Schistosoma japonicum and other zoonotic parasites in bubaline reservoir hosts in the ricefield of lake ecosystem: the case of Lake Mainit, Philippines. Parasitology 2023; 150:786-791. [PMID: 37496395 PMCID: PMC10478044 DOI: 10.1017/s0031182023000537] [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: 03/22/2023] [Revised: 05/14/2023] [Accepted: 05/20/2023] [Indexed: 07/28/2023]
Abstract
Bovines are important reservoir hosts of schistosomiasis, placing humans and animals in rice fields areas at risk of infection. This study reported the prevailing infection of zoonotic parasites from bovine feces in the rice fields adjacent to Lake Mainit, Philippines. Formalin Ethyl Acetate Sedimentation was performed on 124 bovine fecal samples from rice fields and documented eggs and cysts from seven parasites: Schistosoma japonicum, Fasciola gigantica, Ascaris sp., Strongyloides sp., Balantidium coli, coccidian oocyst and a hookworm species. Among these parasites, F. gigantica harboured the highest infection with a 100% prevalence rate, followed by hookworms (51.61%), B. coli (30.64%) and S. japonicum (12.09%), respectively. The intensity of infection of S. japonicum eggs per gram (MPEG = 4.19) among bovines is categorized as ‘light.’ Bovine contamination index (BCI) calculations revealed that, on average, infected bovines in rice fields excrete 104 750 S. japonicum eggs daily. However, across all ricefield stations, bovines were heavily infected with fascioliasis with BCI at 162 700 F. gigantica eggs per day. The study reports that apart from the persistent cases of schistosomiasis in the area, bovines in these rice fields are also heavily infected with fascioliasis. The study confirms the critical role of bovines as a reservoir host for continued infection of schistosomiasis, fascioliasis and other diseases in the rice fields of Lake Mainit. Immediate intervention to manage the spread of these diseases in bovines is recommended.
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Affiliation(s)
- Leonardo A. Estaño
- Department of Biological Sciences, College of Science and Mathematics, Mindanao State University- Iligan Institute of Technology, Iligan City, Philippines
| | - Joycelyn C. Jumawan
- Department of Biology, College of Mathematics and Natural Sciences, Caraga State University, Butuan City, Agusan del Norte, Philippines
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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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Liu P, Zhang Y, Tang H, Wang Y, Sun X. Prevalence of Streptococcus suis in pigs in China during 2000–2021: A systematic review and meta-analysis. One Health 2023. [DOI: 10.1016/j.onehlt.2023.100513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
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Diagnostic Approach to Enteric Disorders in Pigs. Animals (Basel) 2023; 13:ani13030338. [PMID: 36766227 PMCID: PMC9913336 DOI: 10.3390/ani13030338] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 01/21/2023] Open
Abstract
The diagnosis of enteric disorders in pigs is extremely challenging, at any age. Outbreaks of enteric disease in pigs are frequently multifactorial and multiple microorganisms can co-exist and interact. Furthermore, several pathogens, such as Clostridium perfrigens type A, Rotavirus and Lawsonia intracellularis, may be present in the gut in the absence of clinical signs. Thus, diagnosis must be based on a differential approach in order to develop a tailored control strategy, considering that treatment and control programs for enteric diseases are pathogen-specific. Correct sampling for laboratory analyses is fundamental for the diagnostic work-up of enteric disease in pigs. For example, histology is the diagnostic gold standard for several enteric disorders, and sampling must ensure the collection of representative and optimal intestinal samples. The aim of this paper is to focus on the diagnostic approach, from sampling to the aetiological diagnosis, of enteric disorders in pigs due to different pathogens during the different phases of production.
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Sperling D, Calveyra J, Karembe H, de Freitas Costa E. Cystoisospora suis infection in suckling piglets in Brazil: Prevalence and associated factors. Vet Parasitol Reg Stud Reports 2022; 36:100796. [PMID: 36436904 DOI: 10.1016/j.vprsr.2022.100796] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/07/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022]
Abstract
Piglet coccidiosis is a parasitic disease caused by the protozoan Cystoisospora suis, which is regarded as the most prevalent gastrointestinal parasite in intensive pig farms. Despite the availability of highly effective chemo-metaphylaxis (toltrazuril), coccidiosis is still prevalent in European and other countries. We conducted a cross-sectional study on swine farms in Brazil, to assess the prevalence of Cystoisospora suis in fecal samples and determined the associated factors. In total, 666 litters from 50 farms were sampled twice within one week between samplings (mean age at sampling: 10.75 and 17.7 days). Of 666 litters, 225 (33.8%) were positive at least once, and the expected within farm prevalence of C. suis oocysts was 32.9% (25.4-41.3%; 95% confidence interval). Oocysts were more prevalent in fecal samples collected from farms with diarrhea (odds ratio = 6.75). The room temperature was also positively associated with oocyst detection; a one-degree increase in room temperature increased the chance of a litter being positive by 23.2%. Up-to-date, this is the most comprehensive technical evidence of factors associated with C. suis infection in Brazilian industrial piglet farms.
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Affiliation(s)
- Daniel Sperling
- CEVA Santé Animale, 10 avenue de la Ballastière, 33500 Libourne, France.
| | | | - Hamadi Karembe
- CEVA Santé Animale, 10 avenue de la Ballastière, 33500 Libourne, France
| | - Eduardo de Freitas Costa
- Department of Epidemiology, Bio-informatics and Animal Models, Wageningen Bioveterinary Research, Houtribweg 39, 8221 RA Lelystad, the Netherlands
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Diao NC, Zhao B, Chen Y, Wang Q, Chen ZY, Yang Y, Sun YH, Shi JF, Li JM, Shi K, Gong QL, Du R. Prevalence of Eimeria Spp. Among Goats in China: A Systematic Review and Meta-Analysis. Front Cell Infect Microbiol 2022; 12:806085. [PMID: 35310846 PMCID: PMC8924409 DOI: 10.3389/fcimb.2022.806085] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 02/14/2022] [Indexed: 12/13/2022] Open
Abstract
Eimeria spp. infection can cause weight loss in goats, and severe cases can lead to the death of lambs, resulting in economic losses to the goat industry. To explore the pooled prevalence of Eimeria spp. in goats in China, we obtained 70 related publications from five databases and conducted a meta-analysis. In China, the combined prevalence of Eimeria spp. in goats was 78.7% (95% confidence interval (CI): 68.15–87.67). Among them, the most serious infections occurred in Northeast China (88.0%, 95% CI: 83.54–91.86). The main Eimeria species were E. alijevi (43.7%, 95% CI: 29.53–58.45), E. arloingi (49.7%, 95% CI: 34.83–64.49), E. christenseni (41.2%, 95% CI: 27.07–56.16), and E. ninakohlyakimovae (35.9%, 95% CI: 21.02–52.31). In the sampling year subgroup, 2006 or later presented a lower prevalence (75.3%, 95%CI: 58.72–88.72). In terms of age, the point estimate for young goats (≤ 1 year) was higher (89.9%, 95% CI: 80.82–96.48). The Float (NaCl) method showed the lowest prevalence of Eimeria spp. in goats (75.9%, 95%CI: 62.00–87.46). In the season subgroup, the highest prevalence was in summer (81.5%, 95%CI: 49.62–99.18). Female goats presented a higher prevalence of Eimeria spp. infection than male goats (70.7%, 95%CI: 27.90–98.96). The prevalence was lower in the intensive feeding model (77.4%, 95%CI: 66.56–86.67) and higher in free feeding goats (79.4%, 95%CI: 66.46–89.92). In addition, we also analyzed the potential relationship between geographical factors and the prevalence of Eimeria spp. infection in goats in China. Our findings suggested that Eimeria spp. infection in goats is widespread in China. Despite the overall downward trend, this infection cannot be ignored. We recommend that breeders use anticoccidial drugs to prevent and treat this disease, while improving the feeding conditions and managemental practices to reduce the economic losses caused by Eimeria infection to the goat industry.
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Affiliation(s)
- Nai-Chao Diao
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun City, China
| | - Bo Zhao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun City, China
| | - Yu Chen
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing City, China
| | - Qi Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun City, China
| | - Zi-Yang Chen
- College of Animal Science and Technology, Jilin Agricultural University, Changchun City, China
| | - Yang Yang
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun City, China
| | - Yu-Han Sun
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun City, China
| | - Jun-Feng Shi
- College of Animal Science and Technology, Jilin Agricultural University, Changchun City, China
| | - Jian-Ming Li
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun City, China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun City, China
- *Correspondence: Kun Shi, ; Qing-Long Gong, ; Rui Du,
| | - Qing-Long Gong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun City, China
- *Correspondence: Kun Shi, ; Qing-Long Gong, ; Rui Du,
| | - Rui Du
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun City, China
- *Correspondence: Kun Shi, ; Qing-Long Gong, ; Rui Du,
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