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Simultaneous infection with distinct strains of Torque teno sus virus (TTSuV) in healthy slaughter-age pigs

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Abstract

The aims of this study were to evaluate torque teno sus virus (TTSuV) infection in healthy slaughter-age pigs and to compare the similarities of the untranslated region (UTR) nucleotide (nt) sequences obtained from different biological samples of the same animals. Fifty-eight pigs were evaluated by PCR assay for the presence of TTSuV in paired samples of liver and serum (Group 1, n = 27) and lung and serum (Group 2, n = 31). All the pigs were positive for TTSuV infection in the organs sampled and 94.8 % (n = 55) presented with viraemia. The nt sequence similarities between the Groups 1 and 2 varied from 91.7 % to 96.6 % (TTSuV1) and 91 % to 95 % (TTSuV2). In Group 1, the nt sequence similarities were 93 % (TTSuV1) and 95.4 % (TTSuV2). In Group 2, the nt sequence similarities were 95 % (TTSuV1) and 91 % (TTSuV2). These results revealed the simultaneous infection with distinct strains of TTSuV1 and 2 in healthy pigs at slaughter age.

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Acknowledgments

We would like to thank the following Brazilian institutes for their financial support: National Counsel of Scientific and Technological Development (CNPq), Brazilian Federal Agency for Support and Evaluation of Graduate Education (CAPES), Financing of Studies and Projects (FINEP), and Araucária Fundation (FAP/PR). Alfieri A.A. and Alfieri, A.F. are recipients of CNPq fellowships.

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Authors and Affiliations

  1. Laboratory of Animal Virology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Londrina, PR, Brazil

    Raquel de Arruda Leme, Juliane Ribeiro, Alice Fernandes Alfieri & Amauri Alcindo Alfieri

  2. Rodovia Celso Garcia Cid—Campus Universitário, PO Box 6001, CEP 86051-970, Londrina, PR, Brazil

    Amauri Alcindo Alfieri

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  1. Raquel de Arruda Leme
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  2. Juliane Ribeiro
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  3. Alice Fernandes Alfieri
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  4. Amauri Alcindo Alfieri
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Correspondence to Amauri Alcindo Alfieri.

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de Arruda Leme, R., Ribeiro, J., Alfieri, A.F. et al. Simultaneous infection with distinct strains of Torque teno sus virus (TTSuV) in healthy slaughter-age pigs. Vet Res Commun 37, 183–186 (2013). https://doi.org/10.1007/s11259-012-9548-4

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  • DOI: https://doi.org/10.1007/s11259-012-9548-4

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