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Rodents Test Positive for PCV2

by 5m Editor
6 May 2010, at 9:28am

HUNGARY - On farms with a problem with Post-Weaning Multisystemic Wasting Syndrome (PMWS) and porcine circovirus 2 (PCV2), researchers have found a high proportion of the rats and mice positive for PCV2, indicating that that may spread the infection among the pigs.

Márta Lorincz of Szent István University and co-authors have published a short paper in Acta Veterinaria Hungarica, indicating that the PCV2 virus may be spread by rate and mice.

The authors write that porcine circoviruses (PCV) are present worldwide, infecting domestic pigs and wild boars alike. Studies under laboratory conditions indicated that PCV can be taken up by mice and the virus can replicate in these animals. The possible role of rodents in maintaining and transmitting PCV2 infection in the field has not been investigated yet.

Their study reports the detection of PCV2, the pathogenic form of the virus, in mice and rats. A number of rodents, such as mice, rats and voles, were collected at PCV2-infected farms and also outside pig herds and tested for the presence of the virus by polymerase chain reaction (PCR).

The results indicated that PCV2 can be present both in mice and rats (65.0 per cent and 23.8 per cent positive, respectively) on the infected premises, but those rodents that were collected outside pig farms remained negative for PCV2.

Reference

Lorincz M., A. Cságola, I. Biksi, Levente Szeredi, Ádám Dán and Tamás Tuboly. 2010. Detection of porcine corcovirus in rodents – short communication. Acta Veterinaria Hungarica 58(2): 265–268. DOI: 10.1556/AVet.58.2010.2.12.

Further Reading

- Find out more information on Post-Weaning Multisystemic Wasting Syndrome (PMWS) by clicking here.