Feed contaminated with classical swine fever vaccine virus (LOM strain) can induce antibodies to the virus in pigs

The Veterinary Record
B KimM-I Kang

Abstract

In November 2004, antibodies to classical swine fever virus (csfv) were detected in finishing pigs during the annual serological surveillance in Jeju Province, Korea. In addition, csf vaccine viruses (lom strain) had recently been isolated from pigs raised on farms known to have csfv antibody-positive pigs. In contrast with mainland Korea, Jeju Province had been csf free and its pigs had not been vaccinated against csf for more than five years. An epidemiological investigation team from the National Veterinary Research and Quarantine Service investigated the current status of csf prevention on the Korean mainland and in Jeju Province to determine possible routes of introduction of the virus into the province. It was concluded that improperly processed blood meals, manufactured on mainland Korea, had been contaminated with the csf vaccine lom strain, and that the lom strain had been transmitted to pigs fed feed or feedstuffs containing the contaminated meal.

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Citations

Aug 29, 2012·Transboundary and Emerging Diseases·J-Y SongD J An
Mar 20, 2010·The Journal of Veterinary Medical Science·Gye-Hyeong WooEun-Jung Bak
Jul 17, 2015·The Journal of Veterinary Medical Science·Yong Kwan KimDong-Jun An
Apr 13, 2010·Biochemical and Biophysical Research Communications·Hye-Ryeong JunMyung-Hee Kwon
Sep 1, 2015·Preventive Veterinary Medicine·Peter R Davies
Jan 15, 2014·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Eri Ayano, Hideko Kanazawa
Mar 4, 2008·Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·Toshiya SasakiMikako Saito
Mar 23, 2012·Journal of Veterinary Science·Gil-Soon ParkJae-Young Song

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