Thirty swine samples collected from different regions of Namibia between 2019 and 2020 were screened for the presence of porcine parvovirus 1 (PPV1) by PCR. Eleven samples (37%) were positive. Phylogenetic analysis of a partial sequence of the structural protein gene (VP2) identified two distinct clusters, one which contained sequences that were highly similar to PPV1 previously identified in warthogs in Namibia. These results indicate possible PPV1 transmission between warthogs and domestic pigs and highlight the importance of wildlife as sources of pathogens.
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http://dx.doi.org/10.1007/s11259-022-10038-1 | DOI Listing |
Arch Virol
January 2025
Facultad de Estudios Superiores Cuautitlán, Departamento de Ciencias Biológicas, Universidad Nacional Autónoma de México (UNAM), Carretera Cuautitlán-Teoloyucan Km 2.5, Cuautitlán Izcalli, 54714, Estado de México, México.
Porcine parvovirus 5 (PPV5) is an unclassified member of the family Parvoviridae with no reported pathogenicity, although it is associated with multisystemic, reproductive, and respiratory diseases. Its open reading frame 1 (ORF1) encodes non-structural protein 1 (NS1), which is predicted to have helicase activity that is essential for viral replication. This protein contains a C-motif with an invariant asparagine residue that forms the core of the enzyme's active site, in conjunction with the Walker A and B motifs.
View Article and Find Full Text PDFBMC Vet Res
January 2025
College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China.
Background: Pseudorabies virus (PRV), porcine parvovirus (PPV) and porcine circovirus 3 (PCV3) are common in swine farms in China. Single infection or co-infection with PRV, PPV and/or PCV3 was difficult to distinguish between their clinical symptoms and pathological changes. Therefore, a quick and accurate detection method is needed for epidemiological surveillance, disease management, import and export control.
View Article and Find Full Text PDFPathogens
November 2024
Department of Veterinary and Animal Sciences, University of Copenhagen, 1870 Frederiksberg C, Denmark.
Insect larvae production offers the potential for large-scale synthesis of high-quality protein that can be used as feed or food. However, currently, there are limitations on the source of substrates for the insect larvae to use. One concern is the potential survival of animal pathogens within insect larvae if their feed is contaminated.
View Article and Find Full Text PDFPol J Vet Sci
September 2024
Nanchong Key Laboratory of Disease Prevention, Control and Detection in Livestock and Poultry, Nanchong Vocational and Technical College, Nanchong 637131, China.
Porcine parvovirus disease is a reproductive disorder caused by the porcine parvovirus (PPV) in sows and is characterised by miscarriage, stillbirth and mummification in pregnant sows. Porcine parvovirus disease poses a significant threat to pork herds and seriously hinders healthy and sustainable development of the pig farming industry. Currently, there is no effective treatment for porcine parvovirus disease except for prevention and control measures.
View Article and Find Full Text PDFPorcine circovirus type 2 (PCV2) is the major causative agent of postweaning multisystemic wasting syndrome which leads to significant economic losses in the global swine industry. In China, there is a widespread dissemination of PCV2 infection in the pig population. Serological diagnosis of the disease is considered as an effective control measure.
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