5VAN ZIJL M, WENSVOORT G, DEKLUYER E, et at. Live attenuated pseudorabies virus expressing envelope glyeoprotein E1 of hog cholera virus protects swine against both pseudo- rabies and hog cholera [J]. J Viro1,1991,65(5) :2761-2765.
6LIANG X, BABIUK L A. Mapping of heparin-binding struc- tures on bovine herpesvirus and pseudorabies virus gⅢ glyco- proteins[J]. Virology, 1993,194(1) : 233-243.
7FIRKINS L D,WEIGEL R M,BIEHL L G,etal. Field trial to evaluate the immunogenicity of pseudorabies virus vaccines with deletions for glycoproteins G and E[J]. Am J Vet Res, 1997,58(9) : 976-984.
8PRIETO J,MARTIN HENNANDE A M,TABARES E. Loss of pseudorabies virus thymidine kinase activity due to a single base mutation and amino acid substitution[J]. J Gen Virol, 1991,72(Pt 6) : 1435-1439.
9BROWN T M,OSORIO F A,ROCK D L,et al. Detection of latent pseudorabies virus in swine using in situ hybridization [J]. Vet Microbiol, 1990,24(3/4) : 273-280.
10MAES R K, SUSSMAN M D, VILNIS A, et al. Recent de- velopments in latency and recombination of Aujeszky's disease (pseudorabies) virus[J]. Vet Microbio1,1997,55(1/4) :13-27.