Journal
VETERINARY RESEARCH COMMUNICATIONS
Volume 37, Issue 2, Pages 183-186Publisher
SPRINGER
DOI: 10.1007/s11259-012-9548-4
Keywords
Liver; Lung; Serum; TTSuV1 and 2; Multiple infection; PCR
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Funding
- 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)
- Araucaria Fundation (FAP/PR)
- CNPq
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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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