Detection and molecular characterization of canine parvovirus infection in Morogoro and Arusha regions of Tanzania

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dc.contributor.authorUronu, Caroline Eliona
dc.date.accessioned2022-10-20T08:24:38Z
dc.date.available2022-10-20T08:24:38Z
dc.date.issued2021
dc.descriptionMasters Dissertationen_US
dc.description.abstractCanine parvovirus emerged as a viral pathogen of dogs in the late 1970s responsible for a severe global panzootic in dogs of all ages, characterized by haemorrhagic enteritis and myocarditis. The virus has evolved rapidly which has led to three antigenic variants: CPV-2a, CPV-2b and CPV-2c, replacing the original antigenic type (CPV-2). There is no information on the CPV -2 variants circulating in Tanzania, despite its worldwide distribution. Despite the canine parvovirus vaccine being one of the cores strategies of control, the virus is still widespread in the canine population. The aim of the present study was to detect canine parvovirus (CPV) from fecal samples of domestic dogs, in Morogoro and Arusha regions of Tanzania. This study was done in both vaccinated and unvaccinated dogs presented to SUA veterinary hospital with gastroenteritis. Rectal swab samples (n = 143) were collected from dogs in Morogoro and Arusha regions in 2020- 2021. Polymerase Chain Reaction (PCR) targeting VP2 gene was used to detect canine parvovirus. Among the 143 samples, 15 were found positive by PCR. Five of the positive PCR products were sequenced. Sequence analysis comparison showed nucleotide identities of 99.53–100% among our CPV-2 isolates. The VP2 gene partial sequences revealed the presence of CPV-2b variant. Phylogenetic analysis of VP2 genes revealed that the CPV-2b variant clustered into two small evolutionary branch and shared the identical branch with two CPV-2b isolates from China and one isolate from South Korea. This study represents the first CPV molecular characterization conducted in Arusha and Morogoro regions of Tanzania.en_US
dc.identifier.urihttp://www.suaire.sua.ac.tz/handle/123456789/4704
dc.language.isoenen_US
dc.publisherSokoine University of Agricultureen_US
dc.subjectMolecular characterization detectionen_US
dc.subjectCanine parvovirus infectionen_US
dc.subjectHaemorrhagic enteritisen_US
dc.subjectParvovirus vaccineen_US
dc.subjectMorogoro Regionen_US
dc.subjectArusha Regionen_US
dc.titleDetection and molecular characterization of canine parvovirus infection in Morogoro and Arusha regions of Tanzaniaen_US
dc.typeThesisen_US

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