Porcine reproductive and respiratory syndrome: characteristic features of the infected fetus

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dc.contributor.author Rowland, Raymond R. R.
dc.contributor.author Nietfeld, Jerome C.
dc.contributor.author Dritz, Steven S.
dc.date.accessioned 2009-11-10T14:37:46Z
dc.date.available 2009-11-10T14:37:46Z
dc.date.issued 2009-11-10T14:37:46Z
dc.identifier.uri http://hdl.handle.net/2097/2119
dc.description Swine research, 2005 is known as Swine day, 2005 en
dc.description.abstract 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 PRRSV. The results showed that not all fetuses were infected, and that infected fetuses tended to be clustered within the uterine horns, suggesting that virus is spread from fetus to fetus. Even though affected litters exhibited different degrees of gross pathology, the presence of an anatomical abnormality was not an identifier of an infected fetus. Analysis of virus replication in individual tissues identified the thymus as the principal site of PRRSV replication. The results show that PRRSV infection in the developing fetus follows a unique course and that PRRSVinduced alterations may be the result of the effect of PRRSV on maternal tissues. These factors need to be taken into consideration when diagnosing PRRSV infection as the cause for aborted and stillborn fetuses. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 2005 en_US
dc.relation.isPartOf Summary Publication of Report of Progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 964 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 06-63-S en_US
dc.subject Porcine Reproductive and Respiratory Syndrome Virus en_US
dc.subject PRRS en_US
dc.subject Diagnostics en_US
dc.subject Fetal infection en_US
dc.subject Swine en_US
dc.title Porcine reproductive and respiratory syndrome: characteristic features of the infected fetus en_US
dc.type Conference paper en_US
dc.date.published 2005 en_US
dc.citation.epage 7 en_US
dc.citation.spage 4 en_US
dc.description.conference Swine Day, 2005, Kansas State University, Manhattan, KS, 2005 en_US
dc.contributor.authoreid dritz en_US


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