Replication and transmission of porcine circovirus type 2 in mice.
Little information is known about infection, replication and transmission of porcine circovirus type 2 (PCV2) in species other than swine. Two sets of animal experiments were carried out to investigate the susceptibility of mice to PCV2 and to study their possible role in maintaining and transmitting the virus. In the first experiment 14 mice were inoculated with PCV2 by the intraperitoneal route with 5 x 10(2) TCID50 of the PCV2-ROM strain (Cadar et al., 2007). In a second experiment 24 mice were divided into two groups (A and B); mice in Group A (n = 18) were inoculated orally with 1 x 10(5) TCID50 PCV2-ROM and mice in Group B (n = 6) were left uninoculated until day 12 post inoculation (p.i.), when they were mixed with Group A. The animals were sacrificed at intervals for postmortem investigation and virus genome detection by polymerase chain reaction (PCR). The PCR results indicated that PCV2 could replicate in mice infected intraperitoneally or by the oral route, and that the virus can be transmitted directly from mouse to mouse.
Cságola
Attila
A
Department of Microbiology and Infectious Diseases, Faculty of Veterinary Science, Szent István University, H-1143 Budapest, Hungária krt. 23-25, Hungary.
Cadar
Daniel
D
Tuboly
Tamás
T
D000284:Administration, Oral; D000818:Animals; D018173:Circoviridae Infections / Q000635:transmission / Q000662:veterinary*; D017925:Circovirus / Q000472:pathogenicity*; D004197:Disease Reservoirs / Q000662:veterinary; D005260:Female; D007274:Injections, Intraperitoneal; D051379:Mice; D008815:Mice, Inbred Strains; D011897:Random Allocation; D013047:Specific Pathogen-Free Organisms; D013552:Swine; D019562:Viral Load / Q000662:veterinary