Table 1.

PRRSV isolation in cell culture or in bioassay experiments from pigs experimentally infected with the 16244B isolatea

Animal ID no.Result for assay at dpi:
7 (cc)56 (cc)84150
ccbaccba
3++++
4+ND
9+ND
14+ND
17+ND
22++
23+ND
27++
31+++
32+++
  • a Viruses were isolated in cell culture (cc) (PAMs or MARC-145 cells) or in bioassays (ba). Day 7 samples were serum samples and were assayed only on MARC-145 cells. Day 56 and day 84 samples were tonsil biopsy and serum samples. Day 150 was the time of necropsy (tonsil, bronchial lymph node, lung, and serum samples). +, positive; −, negative; ND, not done.