1Wu W H. Fang Y, Farwell R, et al. A lO-kDa structural protein of porcine reproductive and respiratory syndrome virus encoded by ORF2b[J].Virology 2001,287(1): 183-191.
2Meulenberg J J M, Petersen-Den B A. Identification and characterization of a sixth structural protein of Lelystad Virus: the glycoprotein GP2 encoded by ORF2 is incorporated in virus particle[J].Virology 1996, 225: 44-51.
3Geiger G O, Bohnen J. PRRSV elimination from a multi-site system [A]. International symposium On Swine Disease Eradieation[C],2001,1:lg-22.
4McCaw M B. McRebel PRRS:Management procedures for PRRS control in large herd numbers[C].Leman Swine Conferenee. 1995,22:161-162.
