REPRI NT The important viral infections of pigs

Agents not discussed are the following: rotavirus infections under natural conditions they usually do not cause diarrhea and piglets become disease resistant early in life; vesicular exanthema not present in Europe; adenovirus infectionsthey are mostly isolated from piglets without clinical symptoms; inclusion body rhinitis (cytomegalovirus) usually only described outside Europe without relevance; Torovirus infections identified in feces, but significance unknown; hemagglutinating encephalomyelitis virus naturally occurring diseaseis unknown; swine pox not important at present; encephalomyocarditis virus antibodies against this virus are frequently found in pigs bled in the slaughter houses without any history of disease (this virus was for a time thought to be associated with the porcine reproductive and respiratory syndrome[PRRS]); and the unclassifiedcongenitaltremorsvirus.