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Ahmad I, Raji YE, Hassan L, Samaila A, Aliyu B, Zinsstag J, Fasina FO. Systematic review and meta-analysis of tuberculosis in animals in Nigeria. Heliyon 2023; 9:e17215. [PMID: 37383186 PMCID: PMC10293676 DOI: 10.1016/j.heliyon.2023.e17215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 06/30/2023] Open
Abstract
Animal tuberculosis (TB) is a contagious and chronic disease caused by mycobacteria belonging to theMycobacterium tuberculosis complex (MTBC) in domestic and wild animals. MTBC strains infection has been confirmed in many animal species in Nigeria, including captive wildlife, cattle, dromedary camels, goats, and pigs. Despite widespread infection and the potential impact of the disease on public health, active surveillance and control strategies are absent in Nigeria. This study aimed to conduct the first comprehensive meta-analysis to assess the distribution of tuberculosis and analyze the potential moderators of infection in animals in Nigeria. Eligible studies (sixty-one (Cadmus et al., 2014) [61] prevalence and seven (Menzies and Neill, 2000) [7] case reports) were retrieved and included in the analysis. The analyses showed an overall pooled TB prevalence of 7.0% (95% CI: 6.0-8.0) comprising of infection distributed in cattle (8.0%, 95% CI: 7.0-8.0), goats (0.47%, 95% CI: 0-1.2), sheep (0.27%, 95% CI: 0.14-0.46), camels (13.0%, 95% CI: 0-47), and wildlife (13.0%, 95% CI: 9-16) respectively. The occurrence of infection was significantly moderated by the publication periods, geographical location, sample size, and detection methods. TB prevalence was heterogeneous across several predictors, with the year of publication exhibiting a higher rate (46%) of the detected heterogeneity. These findings should provide policy-relevant information to guide the design and establishment of prevention and control measures amenable to the local situations in Nigeria.
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Affiliation(s)
- Ibrahim Ahmad
- Animal Health and Livestock Development, Gusau, Zamfara, Nigeria
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400, Serdang, Selangor, Malaysia
| | - Yakubu Egigogo Raji
- Department of Pathology, Clinical Microbiology Unit, College of Health Sciences Ibrahim Badamasi Babangida University, Lapai, Nigeria
| | - Latiffah Hassan
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400, Serdang, Selangor, Malaysia
| | - Abdullahi Samaila
- Department of Pharmacology, College of Medical Sciences, Umaru Musa Yar'adua University, Katsina, Nigeria
| | - Basiru Aliyu
- Department of Microbiology, Federal University Birnin Kebbi, Kebbi, Nigeria
| | - Jakob Zinsstag
- Human and Animal Health Unit, Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, PO Box, 4002, Basel, Switzerland
| | - Folorunso O. Fasina
- Emergency Centre for Transboundary Animal Diseases (ECTAD), Food and Agriculture Organization of the United Nations (FAO), United Nations Office in Nairobi, 00100, Kenya
- Department of Veterinary Tropical Diseases, University of Pretoria, Onderstepoort, 0110, South Africa
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Infantes-Lorenzo JA, Romero B, Rodríguez-Bertos A, Roy A, Ortega J, de Juan L, Moreno I, Domínguez M, Domínguez L, Bezos J. Tuberculosis caused by Mycobacterium caprae in a camel (Camelus dromedarius). BMC Vet Res 2020; 16:435. [PMID: 33172453 PMCID: PMC7653750 DOI: 10.1186/s12917-020-02665-0] [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: 07/03/2020] [Accepted: 11/03/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Animal tuberculosis (TB) is distributed worldwide and has a wide range of wild and domestic reservoirs. Few studies concerning TB in camelids have been published in the last decade, particularly as regards Old World Camelids (OWC), but the increase in reports of TB outbreaks in these species in recent years suggests a high susceptibility to the infection. CASE PRESENTATION We studied a dromedary camel (Camelus dromedarius) herd (n = 24) in which a Mycobacterium caprae infection was detected. The TB infection was confirmed in one animal at necropsy through the detection of TB lesions, mainly in the abdominal organs, and the subsequent isolation of M. caprae (SB0157 spoligotype). The whole herd was additionally tested using cellular and humoral based diagnostic techniques. The intradermal tuberculin test results were compared with those obtained using P22 ELISA for the detection of specific antibodies against the M. tuberculosis complex. The TB infected animal was a positive reactor to both the intradermal tuberculin tests and P22 ELISA, while the others were negative to all the diagnostic tests. CONCLUSION The present study found M. caprae infection in OWC. This is the first report of M. caprae infection in an OWC not living in a zoo. Since the animal was born in the herd and fed with goat's milk, this practice was suspected to be the potential source of TB infection, which was not confirmed in the other animals present in the herd. Moreover, our results highlight that the intradermal tuberculin test and the P22 ELISA could be valuable tools for the diagnosis of TB in OWC.
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Affiliation(s)
- J A Infantes-Lorenzo
- Servicio de Inmunología Microbiana, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - B Romero
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
| | - A Rodríguez-Bertos
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain.,Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040, Madrid, Spain
| | - A Roy
- BIOFABRI S.L., Porriño, Pontevedra, Spain
| | - J Ortega
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain.,Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040, Madrid, Spain
| | - L de Juan
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain.,Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040, Madrid, Spain
| | - I Moreno
- Servicio de Inmunología Microbiana, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - M Domínguez
- Servicio de Inmunología Microbiana, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - L Domínguez
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain.,Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040, Madrid, Spain
| | - J Bezos
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain. .,Department of Animal Health, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040, Madrid, Spain.
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