Rowland, R.R.R.; Nietfeld, J.; Dritz, S.S.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2005)
Pregnant gilts were infected at 90 days of
gestation with porcine reproductive and respiratory virus (PRRSV) isolate SD-23983. Fetuses recovered between 109 and 112 days of gestation were analyzed for the presence of ...