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The Swiss veterinarian authorities have informed of the detection of the PRRS virus in sows. Up to now, Switzerland was free of this virus. The virus was introduced in Switzerland through the importation of semen of infected boars from Germany.
After the detection, the 72 sows inseminated with the infected semen were slaughtered. The analysis of the blood samples from those sows has confirmed, up to now, the presence of the PRRS virus in 6 sows from two different farms. In conformity with the legal provisions, these farms are considered as contaminated. This means that the herds must be analyzed and that all the farms that had any kind of contact with the infected farms must be controlled. The 27 farms that received the contaminated semen have been temporarily closed and they are being analyzed. During these days almost 4,000 sows from different cantons of East Switzerland will be analyzed.
Friday November 30, 2012/ FVO/ Switzerland.
http://www.bvet.admin.ch/
