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원저 : 제주 지역 돼지 생식기 호흡기 증후군의 혈청학적 조사
윤성환 ( Sung Hwan Yoon ),손성원 ( Seong Won Sohn ),장원우 ( Won Woo Jang ),김성환 ( Seong Hwan Kim ),장소영 ( So Young Jang ),지영흔 ( Young Heum Jee ),김재훈 ( Jae Hoon Kim ),임윤규 ( Yoon Kyu Lim ) 한국수의공중보건학회 2010 예방수의학회지 Vol.34 No.4
Porcine reproductive and respiratory syndrome (PRRS) virus causes not only breeding disorder such as abortion, stillbirth and premature birth to pregnant sows but economic damage like high estrous return and low delivery rate. The presented study was conducted to confirm seroprevalence of PRRS in Jeju herds. PRRS positive rate was examined with pig serum from hog farms located in Jeju. Serum samples were extracted from the 11 of sow farms and 10 of hog farms, The groups were divided into 20, 40, 60, 80, 100 and older than 120 days of age and pregnant sows in hog farms. Anti-PRRSV antibody titers in sera were analyzed by ELISA. All the breeding farms and hog farms (10/10) showed PRRS positive except one breeding farm (1/11). Serological patterns determined by ELISA did not show any difference regardless of whether pigs were vaccinated or not. Nevertheless, the farms unvaccinated pigs displayed low productivity in terms of piglet loss rate and prolonged period of shipment. Therefore, vaccination against PRRSV appears to be a crucial factor in sanitary management of hog farms. Taken together, since PRRSV was spread widely in Jeju already, stabilization of sows by PRRS vaccination after adapting PRRSV free sow by all-in-all-out method in farms is recommended for the control strategy for PRRS.