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Pathogens 2017, 6(3), 37;

First Detection of Rotavirus Group C in Asymptomatic Pigs of Smallholder Farms in East Africa

Department of Animal Production, Faculty of Veterinary Medicine, University of Nairobi, P.O. Box 29053, Nairobi 00625, Kenya
Biosciences of east and central Africa-International Livestock Research Institute, (BecA-ILRI) Hub, P.O. Box 30709, Nairobi 00100, Kenya
Author to whom correspondence should be addressed.
Received: 10 July 2017 / Revised: 7 August 2017 / Accepted: 11 August 2017 / Published: 14 August 2017
(This article belongs to the Special Issue Rotavirus Epidemiology: Host, Climate and Vaccine Influences)
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Abstract: Group C rotavirus (RVC) has been described to be a causative agent of gastroenteritis in humans and animals including pigs, cows, and dogs. Fecal samples collected from asymptomatic pigs in smallholder swine farms in Kenya and Uganda were screened for the presence of group C rotaviruses (RVC) using a reverse transcription-polymerase chain reaction assay. A total of 446 samples were tested and 37 were positive (8.3%). A significantly larger (p < 0.05) number of RVC-positive samples was detected in groups of older pigs (5–6 months) than in younger piglets (1–2 months). There were no significant differences in the RVC detection rate between the pigs that were full time housed/tethered and those that were free range combined with housing/tethering. After compiling these data with diagnostic results for group A rotaviruses (RVA), 13 RVC-positive samples were also positive for RVA. This study provides the first evidence that porcine group C rotavirus may be detected frequently in asymptomatic piglets (aged < 1–6 months) in East Africa. The occurrence of RVC in mixed infections with RVA and other enteric pathogens requires further research to investigate the pathogenic potential of RVC in pigs. View Full-Text
Keywords: smallholder pigs; rotavirus group C; East Africa smallholder pigs; rotavirus group C; East Africa
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Amimo, J.O.; Machuka, E.M.; Okoth, E. First Detection of Rotavirus Group C in Asymptomatic Pigs of Smallholder Farms in East Africa. Pathogens 2017, 6, 37.

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