4Vauahn E M, Halbur P G, Paul P S. Use of nonradioactivec DNA probes to differentiate porcine respiratory coronavirus and transmissible gastroenteritis virus [J]. J Vet Diaan Invest, 1996, 8(2): 241-244.
5Kim B, Chae C. Insitu hybridization for the detection of transmissible gastroenteritis virus in pigs and comparison with other methods[J]. Can J Vet Res, 2001, 65(1):33-37.
6Jackwood D J, Kwon H M, Saif J. Molecular differentiation of transmissible gastroenteritis virus and porcine respiratory coronavirus strains[J]. Adv Exp MedBiol, 1995, 380: 35-41.
7Kwon H M, Saif L J, Jackwood D J. Field isolates of transmissible gastroenteritis virus differat the molecular level from the Miller and Purdue virulent and attenuated strains and from porcine respiratory coronaviruses[J]. J Vet Med Sci, 1998, 60(5): 589 597.
8Paton D, Ibata G, Sands J, et al. Detection of transmissible gastroenteritis virus by RT PCR and differentiation from porcine respiratory coronavirus[J]. J Virol Methods, 1997, 66(2): 303-309.
10Kim O, Choi C, Kim B, et al. Detection and differentiation of porcine epidemic diarrhea virus and transmissible gastroenteritis virus in clinical samples by multiplex RTPCR[J].Vet Rec,2000,146(22):637 640.
7Debouck P, Pendaert M. Experimental infection of pigs with a mew porcine enteric coronavirus, CV777 [J]. Am J Vet Res, 1980, 41:219-223.
8Turgeon D C, Morin M, Jolette J. Coronavirus-like particles associated with diarrhea in baby. pigs in Quebee[J]. Vet J, 1980, 21:100-101.
9Horvath I, Mocsari E. Ultra structural changes in the small intestinal epithelium of suckling pigs affected with a transmissible gastroenteritis (.TGE)-like disease[J]. Arch Virol, 1981,681 103- 113.
10Kim O,Chae C. Comparison of reverse transcription polymerase chain reaction, immunobistochemistry,and in situ hybridization for the detection of porcine epidemic diarrhea virus in pigs[J]. Can J Vet Res,2002b,66:112-116.
