7Yoon K J, Janke B H, Swalla R W, etal. Comparison of a commercial H1N1 enzyme-linked immunosorbent assay and hemagglutination inhibition test in detecting serum antibody against swine influenza viruses [J]. J Vet Diagn Invest, 2004, 16(3) : 197-201.
8Skibbe D, Zhou E M, Janke B H. Comparison of a commercial enzyme-linked immunosorbent assay with hemagglutination inhibition assay for serodiagnosis of swine influenza virus (H1N1) infection EJ]. J Vet Diagn Invest, 2004,16(1):86- 89.
6Nicholas R A J,et al.The enzyme-linked immunosorbent assay indetecting antibodies to avian virus[J].Vet Bull,1986,56:337-443.
7Gohm DS, Thur B, Audige L. A survey of Newcastle disease in Swiss laying-hen flocks using serological testing and simulation modeling[J]. Prev Vet Med, 1999, 38: 277-288.
8Makkay AM, Krell PJ, Nagy E. Antibody detection-based differential ELISA for NDV-infected or vaccinated chickens versus NDV HN-subunit vaccinated chickens[J]. Vet Microbiol, 1999, 66(3): 209-222.
9Miers LA, Bankowski RA, Zee YC. Optimizing the enzyme-linked immunosorbent assay for evaluating the immunity of chickens to Newcastle disease[J]. Avian Dis, 1983, 27, 1112-1125.
10United States Dependent of Agriculture National Poultry Improvement Plan and Auxiliary Provisions (U.S.A)1995,53-67.
