Orbivirus Infections in Collared Peccaries (Tayassu tajacu) in Southeastern Brazil

SWINE INFECTIOUS AGENTS INTAYASSU PECARIANDPECARI TAJACUTISSUE SAMPLES FROM BRAZIL

“…These viruses have been detected in other mammals, but their significance in peccaries is difficult to determine due to the absence of relevant pathologic studies. Previous investigators failed to detect PCV2 antibodies in 49 peccaries tested in Brazil (Gerber et al 2012). However, the absence or low titers of PCV2 antibodies has been reported in naturally and experimentally infected pigs and is associated with virus-and host-dependent factors as well as with the effects of coinfections and immune modulation.…”

“…Serologic surveys of free-ranging CP populations living in contact with human settlements and domestic animals in Brazil have shown high antibody titers against the infectious agents that cause leptospirosis, brucellosis, trypanosomiasis, and bluetongue (Herrera et al 2008;Freitas et al 2010;Gerber et al 2012). In addition to the work done on antibody prevalences, investigators have also detected trypanosome and Erysipelothrix rhusiopathiae DNA in CPs and WLPs.…”

PCR and qPCR for detection of Porcine Circovirus type 2 (PCV2) in captive white-lipped (Tayassu pecari) and collared (Tayassu tajacu) peccaries from Southern Brazil

“…The present study may have failed in detect PCV2 in EDTA-blood samples while previous study has used lung and spleen tissues, emphasizing that samples with the highest chance of containing PCV2 DNA may relay on the viral tropism and time of infection. However, another study in Southern Brazil has found no anti-PCV2 antibodies in 49 free-ranging white-collared peccaries (GERBER et al, 2012). Since PCV2 is a systemic virus, bloodstream detection would be limited to early acute infection (REAL et al, 2010;GERBER et al, 2012).…”

“…Monitoring peccary health status, mainly for infectious diseases, may be crucial since the Brazilian Institute of Environment and Renewable Natural Resources (IBAMA, 2008) has been regulating commercial farms for meat production and conservation.…”

“…Two types of virus, a nonpathogenic (type 1-PCV1) and a pathogenic (type 2 -PCV2) have been described (GERBER et al, 2012;CASTRO et al, 2014). PCV2 is a systemic virus with different cellular tropism and may infect respiratory, urinary, reproductive, and digestive systems (ALLAN; ELLIS, 2000;SANCHEZ et al, 2004).…”