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Onderstepoort Journal of Veterinary Research

versão On-line ISSN 2219-0635

Onderstepoort j. vet. res. vol.81 no.2 Cape Town Fev. 2014

 

ABSTRACTS

 

Screening for foot-and-mouth disease virus in livestock-wildlife interface areas of Tanzania

 

 

Emma PeterI; Christopher J. KasangaI; Raphael SalluII; Mkama MathiasII; Mmeta YongoloII; Misheck MulumbaIII; Ezekia RangaIV; Philemon N. WamburaI; Mark M. RweyemamuI

ISouthern African Centre for Infectious Disease Surveillance, Sokoine University of Agriculture, Tanzania
IITanzania Veterinary Laboratory Agency, Tanzania
IIISouthern African Development Community Secretariat, Botswana
IVMinistry of Livestock Development and Fisheries, Tanzania

Correspondence

 

 

 


ABSTRACT

Rapid and accurate diagnosis is paramount in understanding the infection status of foot-and-mouth disease (FMD) virus (FMDV) in animals. In this study, the singleplex real-time RT-PCR (qRT-PCR) assay employing the Callahan 3DF-2, 3DF-R primers and Callahan 3DP-1 probe was used in screening for FMDV genome on oesophageal-pharyngeal (OP) fluids. The OP samples were collected from cattle and African buffaloes in livestock-wildlife interface areas of Mikumi, Mkomazi and Ruaha National Parks in Tanzania in 2011, which included National Parks and the surrounding areas. The detection rates of FMDV genome were 5.88% (n = 3), 19.44% (n = 7) and 41.18% (n = 21) in Mkomazi, Ruaha and Mikumi National Parks, respectively. FMDV detection rates in Ruaha and Mikumi were significantly higher in the African buffaloes (p < 0.05) compared to those in cattle. There was no correlation of FMDV detection with either age or sex of the animals in the three National Parks. These findings indicate that cattle and buffaloes in Mikumi, Ruaha and Mkomazi were naturally infected with FMDV. Furthermore, the higher FMDV detection rates in buffaloes suggest that buffaloes could potentially act as reservoirs for FMDV and possibly play a significant role in transmission of the virus to other in-contact susceptible animals. Further studies including serotyping, virus isolation, experimental infection and sequencing of the viruses, are required to elucidate the complex epidemiology of FMD in cattle and buffaloes in the livestock-wildlife interface areas in Tanzania


 

 

Acknowledgement

This work was supported by the Wellcome Trust Grant WT087546MA to the Southern African Centre for Infectious Diseases & Surveillance (SACIDS).

 

 

Correspondence:
Christopher Kasanga
PO Box 3019, Chuo Kikuu
Morogoro, Tanzania
christopher.kasanga@sacids.org

 

 

Note: Proceedings of the 2nd One Health Conference in Africa. Jointly organised by the Southern African Centre for Infectious Disease Surveillance and the Tanzania National Institute for Medical Research, held at the Snow Crest Hotel in Arusha, Tanzania from 16th to 19th April 2013: http://www.sacids.org/kms/frontend/index.php?m=119.

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