November 16, 2015 (from pigprogress.net)
PEDv is still active in swine herds in the US. Unlike previous reports of TGE, which seemed to disappear after a national infection for several years, PEDv is still grumbling on so we need to take great care regarding importing breeding stock into the EU still.
Looking at the recent update for cases, there has been an overall fall in the number of positive cases to October 2015 by about 44% from the previous year, which is great news.
Winter months are the high risk months. There is limited warmth, dryness and sunlight to destroy the virus; it can survive for weeks in cold, moist conditions. In the northern states and Canada, where it freezes up in the winter, truck cleaning and disinfection becomes a major difficulty. Specialised truck cleaning and drying facilities have been installed to improve the situation but not only pig trucks are important potential carriers of the virus but feed delivery, dead pig removal and garbage trucks, which regularly vi ...
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