REFERENCES
Adair, B.M., Todd, D., McKillop, E.R. and Burns, K. Comparison of serological tests for detection of antibodies to infectious laryngotracheitis virus. Avian Pathology 14:461-469, 1985.
Adler, H.E. A rapid slide agglutination test for the diagnosis of chronic respiratory disease in the field and in laboratory-infected chickens and turkeys. Proc. 90th Ann. Meet. Am. Vet. Med. Assn. pp 346-349 (1954)
Alexander, D.J. and N.J. Chettle. Procedures for the haemagglutination and haemagglutination inhibition tests for Avian Infectious Bronchitis. Av. Pathology 6:9-17 (1977)
Allen, W.H. and R.E. Gough. A standard Haemagglutination inhibition test for Newcastle disease. 1. A comparison of macro and micro methods. Vet. Rec. 95:120-123 (1974)
Avakian, A.P. and Dick, J.W. Comparison of filter-paper-eluted whole blood with serum in fowl cholera serology using the enzyme-linked immunosorbent assay. Avian Diseases 29:1277-1280, 1985.
Avakian, A.P. and Dick, J.W. Antigenic properties of four serotypes of Pasteurella multocida determined by enzyme-linked immunosorbent assay. Avian Diseases 30:477-481, 1986.
Avakian, A.P., Kleven, S.H. and Glisson, J.R. Evaluation of the specificity and sensitivity of two commercial enzyme-linked immunosorbent assay kits, the serum plate agglutination test, and the hemagglutination-inhibition test for antibodies formed in response to Mycoplasma gallisepticum . Avian Diseases 32:262-272, 1988.
Barrow, P.A., Berchieri, A.J. and al Haddad, O. Serological response of chickens to infection with Salmonella gallinarum-S. pullorum detected by enzyme-linked immunosorbent assay. Avian.Dis. 36:227-236, 1992.
Beard, C.W., and others. Preparation of Newcastle Disease HI test antigen. Av.Dis. 19:692-699,1975.
Beard, C.W., and Brugh, M. Use of the Nobuto blood-sampling paper strip for Newcastle Disease serology. Av.Dis. 21:630-636,1977.
Beard, C.W., Schnitzlein, W.M. and Tripathy, D.N. Protection of chickens against highly pathogenic avian influenza virus (H5N2) by recombinant fowlpox viruses. Avian.Dis. 35:356-359, 1991.
Briggs, D.J., Whitfill, C.E. and Skeeles, J.K. Probability of survival based on ELISA titer following challenge of vaccinated chickens with the X-73 strain of Pasteurella multocida. Avian Diseases 29:904-911, 1985.
Briggs, D.J. and Skeeles, J.K. An enzyme-linked immunosorbent assay for detecting antibodies to Pasteurella multocida in chickens. Avian Diseases 28:208-215, 1984.
Briggs, D.J., Whitfill, C.E., Skeeles, J.K., Story, J.D. and Reed, K.D. Application of the positive/negative ratio method of analysis quantitate antibody responses to infectious bursal disease virus using a commercially available ELISA. Avian Diseases 30:216-218, 1986.
Brown, J., Resurreccion, R.S., Dickson, T.G. and Horne, A. The relationship of egg yolk and serum antibody. I. Infectious bursal disease virus. Avian.Dis. 33:654-656, 1989.
Brown, J., Resurreccion, R.S. and Dickson, T.G. The relationship between the hemagglutination-inhibition test and the enzyme-linked immunosorbent assay for the detection of antibody to Newcastle disease. Avian.Dis. 34:585-587, 1990.
Brugh, M. A simple method for recording and analyzing serological data. Av.Dis. 22:(2) 362-365, 1978.
Brugh, M., and Beard, C.W. Collection and processing of blood samples dried on paper for microassay of Newcastle Disease virus and Avian Influenza virus antibodies. Am.J.Vet.Res. 41:(9)1495-1498,1980.
Burnet, F.M. The affinity of Newcastle disease virus to the influenza virus group. Australian J. Exp.Biol.Med.Sci. 20:81-88 (1942)
Buscaglia, C., Bankowski, R.A. and Miers, L. Cell-culture virus-neutralization test and enzyme-linked immunosorbent assay for evaluation of immunity in chickens against fowlpox. Avian Diseases 29:672-680, 1985.
Carlson, P.L. Adaptation of enzyme-linked immunoassay for detection of avian and murine antibodies to Eimeria. Avian Diseases 28:1115-1119, 1984.
Chalquest, R.R. A statistical model to optimize indirect sandwich enzyme-linked immunosorbent assay parameters of antigen and antibody: a microcomputer program. Avian Diseases 31:509-512, 1987.
Cheng, Y.Q., Lee, L.F., Smith, E.J. and Witter, R.L. An enzyme-linked immunosorbent assay for the detection of antibodies to Marek's disease virus. Avian Diseases 28:900-911, 1984.
Chettle, N., Wyeth, P., Steward, A. and Whitworth, A. Avian rhinotracheitis diagnostic kit [letter] [published erratum appears in Vet Rec 1990 Feb 17;126(7):178]. Vet.Rec. 126:148-149, 1990.
Chi, D.S., Galton, J.E., and Thorbecke, G.J. Role of T cells in the immune responses of chickens in Avian Immunology, Rose, M.E., Payne, L.N., and Freeman, B.M. (eds) Poultry Science Symposium No. 16 (1981)
Coleman,M.A. Usar huevos fertiles de tria en lugar de desangrar aves de recria. Industria Avicola. Junio 1982, p.22 (1982)
Cook, J.K.A. The classification of new serotypes of infectious bronchitis virus isolated from poultry flocks in Britain between 1981 and 1983. Avian Pathology 13:733-741, 1984.
Cook, J.K.A., Brown, A.J. and Bracewell, C.D. Comparison of the haemagglutination inhibition test and the serum neutralisation test in tracheal organ cultures for typing infectious bronchitis virus strains. Avian Pathology 16:505-511, 1987.
Cook, J.K.A. and Huggins, M.B. Newly isolated serotypes of infectious bronchitis virus: their role in disease. Avian Pathology 15:129-138, 1986.
Cooper, G.L., Nicholas, R.A. and Bracewell, C.D. Serological and bacteriological investigations of chickens from flocks naturally infected with Salmonella enteritidis . Vet.Rec. 125:567-572, 1989.
Cullen, G.A., and Wyeth, P.J. . Quantitative gel diffusion assay for Infectious Bursal Disease antibodies. Vet.Rec. 97:315, 1975.
Cummins, D.R., Reynolds, D.L. and Rhoades, K.R. An avidin-biotin enhanced dot-immunobinding assay for the detection of Mycoplasma gallisepticum and M. synoviae serum antibodies in chickens. Avian.Dis. 34:36-43, 1990.
Dadrast, H., Hesketh, R. and Taylor, D.J. Egg yolk antibody detection in identification of salmonella infected poultry. Vet.Rec. 126:219, 1990.
Davidson, I., Aronovici, A., Weisman, Y. and Malkinson, M. Enzyme immunoassay studies on the serological response of turkeys to hemorrhagic enteritis virus. Avian Diseases 29:43-52, 1985.
Delaplane, J.P. and Stuart H.O. The propagation of a virus in embryonated chicken eggs causing a chronic respiratory disease of chickens. Am. J. Vet. res. 4: 325-332 (1943)
Easterday, B.C. and Bela Tumova. Avian Influenza, in Diseases of Poultry 6th Edition pp 670-700 M.S.Hofstad, B.W.Calnek, C.F.Helmboldt, W.M. Reid, and H.W. Yoder (eds.) (1972).
Ellis,P.R. Epidemiology and Decision Making . In Epidemiology in Animal Health p.17. Society for Veterinary Epidemiology and Preventative Medicine (1982)
Engvall, E. and Perlman, P. Enzyme-linked immunosorbent assay (ELISA). Quantitative assay of Immunoglobulin G. Immunochemistry 8:871-874, 1971
Eterradossi, N., Toquin, D., Guittet, M. and Bennejean, G. Discrepancies in turkey rhinotracheitis ELISA results using different antigens. Vet.Rec. 131:563-564, 1992.
Faragher, J.T.. PhD Thesis University of London p 237 (1971)
Garrett, J.K., Davis, R.B. and Ragland, W.L. Enzyme-linked immunosorbent assay for detection of antibody to avian encephalomyelitis virus in chickens. Avian Diseases 28:117-130, 1984.
Gelb, J.,Jr. and Killian, S.L. Serum antibody responses of chickens following sequential inoculations with different infectious bronchitis virus serotypes. Avian Diseases 31:513-522, 1987.
Glick, B. The Avian Immune System. Av.Dis. 23: (2) 282-289 (1979)
Goodwin, M.A., Lamichhane, C.M., Brown, J., Smeltzer, M.A., Miller, S.L., Girshick, T., Snyder, D.B. and Dickson, T.G. Relationship of the enzyme-linked immunosorbent assay to indirect immunofluorescent antibody test for the detection of so-called chicken anemia agent antibodies in serum from broiler breeders. Avian.Dis. 36:512-514, 1992.
Gough, R.E., Randall, C.J., Dagless, M., Alexander, D.J., Cox, W.J. and Pearson, D. A 'new' strain of infectious bronchitis virus infecting domestic fowl in Great Britain. Vet.Rec. 130:493-494, 1992.
Hassan, J.O., Barrow, P.A., Mockett, A.P. and Mcleod, S. Antibody response to experimental Salmonella typhimurium infection in chickens measured by ELISA. Vet.Rec. 126:519-522, 1990.
Hassan, J.O., Mockett, A.P., Catty, D. and Barrow, P.A. Infection and reinfection of chickens with Salmonella typhimurium: bacteriology and immune responses. Avian.Dis. 35:809-819, 1991.
Hassan, J.O., Porter, S.B. and Curtiss, R. Effect of infective dose on humoral immune responses and colonization in chickens experimentally infected with Salmonella typhimurium. Avian.Dis. 37:19-26, 1993.
Hatfield, R.M., Morris, B.A. and Henry, R.R. Development of an enzyme-linked immunosorbent assay for the detection of humoral antibody to Pasteurella anatipestifer. Avian Pathology 16:123-140, 1987.
Hayhow, C.S. and Saif, Y.M. Development of an antigen-capture enzyme-linked immunosorbent assay for detection of enterovirus in commercial turkeys. Avian.Dis. 37:375-379, 1993.
Higgins, P.A. and Whithear, K.G. Detection and differentiation of Mycoplasma gallisepticum and M. synoviae antibodies in chicken serum using enzyme-linked immunosorbent assay. Avian Diseases 30:160-168, 1986.
Hopkins, B.A., Skeeles, J.K., Houghten, G.E. and Story, J.D. Development of an enzyme-linked immunosorbent assay for Bordetella avium. Avian Diseases 32:353-361, 1988.
Hurk, J.V. and Van-den-Hurk, J.V. Quantitation of hemorrhagic enteritis virus antigen and antibody using enzyme-linked immunosorbent assays. Avian Diseases 30:662-671, 1986.
Ianconescu, M., Smith, E.J., Fadly, A.M. and Nazerian, K. An enzyme-linked immunosorbent assay for detection of hemorrhagic enteritis virus and associated antibodies. Avian Diseases 28:677-692, 1984.
Ianconescu, M., Bankowski, R.A., McCapes, R.H., Ghazikhanian, G.Y. and Kelly, B.J. Paramyxovirus type 3 (PMV-3) in California turkeys: serologic study of PMV-3 antibody with an enzyme-linked immunosorbent assay. Avian Diseases 29:364-372, 1985a.
Ianconescu, M., McCapes, R.H., Bankowski, R.A., Kelly, B.J. and Ghazikhanian, G.Y. Hemorrhagic enteritis of turkeys in California: serologic study of hemorrhagic enteritis virus antibody with an enzyme-linked immunosorbent assay. Avian Diseases 29:356-363, 1985b.
Islam, M.R. and Jones, R.C. An enzyme-linked immunosorbent assay for measuring antibody titre against avian reovirus using a single dilution of serum. Avian Pathology 17:411-425, 1988.
Isobe, T. and Suzuki, K. Enzyme-linked immunosorbent assay for detection of antibody to Leucocytozoon caulleryi. Avian Pathology 15:199-211, 1986.
Ivany., J. Functions of the B-lyphoid systme in chickens in Avian Immunology, Rose, M.E., Payne, L.N., and Freeman, B.M. (eds) Poultry Science Symposium No. 16 (1981)
Janeway, C.A. How the immune system recognizes invaders. Scientific American 269: (3) 41-47 (1993)
Jones, F.S. The value of the macroscopic agglutination test in detecting fowl that are harboring Bacterium pullorum. J.Med.Res. 27:481-495 (1915)
Jordan, F.T.W. and R.C.Chubb. The Agar Gel Diffusion technique in the diagnosis of infectious laryngotracheitis (ILT) and its differentiation from fowl pox. Res.Vet.Sci. 6 :245, 1962.
Jordan, F.T.W., Yavari, C. and Knight, D.L. Some observations on the indirect ELISA for antibodies to Mycoplasma iowae serovar I in sera from turkeys considered to be free from mycoplasma infections. Avian Pathology 16:307-318, 1987.
Kang, S.Y., Nagaraja, K.V. and Newman, J.A. Rapid coagglutination test for detection of rotaviruses in turkeys. Avian Diseases 29:640-648, 1985.
Keller, L.H., Benson, C.E., Garcia, V., Nocks, E., Battenfelder, P. and Eckroade, R.J. Monoclonal antibody-based detection system for Salmonella enteritidis . Avian.Dis. 37:501-507, 1993.
King, D.J. A comparison of infectious bronchitis virus hemagglutination-inhibition test procedures. Avian Diseases 32:335-341, 1988.
Kouwenhoven, B. Zootechnica International, September 1991, 12-13, (1991)
Kramer, T.T., and Cho, H.C. Transfer of immunoglobulins and antibodies in the hens egg. Immunology 19:157-167 (1970)
Kreider, D.L., Skeeles, J.K., Parsley, M., Newberry, L.A. and Story, J.D. Variability in a commercially available enzyme-linked immunosorbent assay system. I. Assay variability. Avian.Dis. 35:276-287, 1991a.
Kreider, D.L., Skeeles, J.K., Parsley, M., Newberry, L.A. and Story, J.D. Variability in a commercially available enzyme-linked immunosorbent assay system. II. Laboratory variability. Avian.Dis. 35:288-293, 1991b.
Lamichhane, C.M., Snyder, D.B., Girschick, T., Goodwin, M.A. and Miller, S.L. Development and comparison of serologic methods for diagnosing chicken anemia virus infection. Avian.Dis. 36:725-729, 1992.
Leitner, G., Melamed, D., Drabkin, N. and Heller, E.D. An enzyme-linked immunosorbent assay for detection of antibodies against Escherichia coli: association between indirect hemagglutination test and survival. Avian.Dis. 34:58-62, 1990.
Manning, M.J. Phylogenetic development of the lymphoid system, in Avian Immunology, Rose, M.E., Payne, L.N., and Freeman, B.M. (eds) Poultry Science Symposium No. 16 (1981)
Marion, J.E., Woodruf, J.G., and Tindell, D. Physical and chemical properties of eggs as affected by breeding and age of hens. Poult.Sci. \plain\f16\ul 45\plain\f16 :(6)1189-1195, 1966
Marquardt, W.W., Johnson, R.B., Odenwald, W.F., and Schlotthober, B.A. An indirect enzyme-linked immunosorbent assay (ELISA) for measuring antibodies in chickens infected with infectious bursal disease virus. Avian Diseases 24:375-385, 1980.
Marquardt, W.W., Snyder, D.B., Savage, P.K., Kadavil, S.K. and Yancey, F.S. Antibody response to Newcastle disease virus given by two different routes as measured by ELISA and hemagglutination-inhibition test and associated tracheal immunity. Avian Diseases 29:71-79, 1985.
Martins, N.R., Mockett, A.P., Barrett, A.D. and Cook, J.K. IgM responses in chicken serum to live and inactivated infectious bronchitis virus vaccines. Avian.Dis. 35:470-475, 1991.
McIlroy, S.G., McNulty, M.S., Bruce, D.W., Smyth, J.A., Goodall, E.A. and Alcorn, M.J. Economic effects of clinical chicken anemia agent infection on profitable broiler production. Avian.Dis. 36:566-574, 1992.
McMullin, P.F. The HI test for Newcastle Disease in broiler parents and broiler chickens using micro-titration (In portuguese, unpublished).
McMullin,P.F. Technical Aids in Avian Serology. 1. Plastic straws for the field collection of blood samples for routine serology. Av.Dis.26:(4) 932-938 (1982)
Melamed, D., Leitner, G. and Heller, E.D. A vaccine against avian colibacillosis based on ultrasonic inactivation of Escherichia coli. Avian.Dis. 35:17-22, 1991.
Meulemans, G., Carlier, M.C., Gonze, M. and Petit, P. Comparison of hemagglutination-inhibition, agar gel precipitin, and enzyme-linked immunosorbent assay for measuring antibodies against influenza viruses in chickens. Avian Diseases 31:560-563, 1987.
Mohammed, H.O., Yamamoto, R., Carpenter, T.E. and Ortmayer, H.B. A statistical model to optimize enzyme-linked immunosorbent assay parameters for detection of Mycoplasma gallisepticum and M. synoviae antibodies in egg yolk. Avian Diseases 30:389-397, 1986b.
Mohammed, H.O., Yamamoto, R., Carpenter, T.E. and Ortmayer, H.B. Comparison of egg yolk and serum for the detection of Mycoplasma gallisepticum and M. synoviae antibodies by enzyme-linked immunosorbent assay. Avian Diseases 30:398-408, 1986.
Monreal, G., Bauer, H.J. and Wiegmann, J. Comparison of the enzyme-linked immunosorbent assay (ELISA), haemagglutination inhibition test and agar gel precipitation test for detection of antibodies to avian infectious bronchitis virus. Avian Pathology 14:421-434, 1985.
Morris,R.S. New techniques in veterinary epidemiology. in Epidemiology in Animal Health p.1. Society for Veterinary Epidemiology and Preventative Medicine. (1982)
Murray,W., Peter, A.T. and Teclaw, R.F. The clinical relevance of assay validation. Compendium on Continuing Education for the Practicing Veterinarian 15:(12)1665-1675 (1993)
Myers, T.J., Schat, K.A. and Mockett, A.P. Development of immunoglobulin class-specific enzyme-linked immunosorbent assays for measuring antibodies against avian rotavirus. Avian.Dis. 33:53-59, 1989.
Nicholas, R.A. and Andrews, S.J. Detection of antibody to Salmonella enteritidis and S typhimurium in the yolk of hens' eggs. Vet.Rec. 128:98-100, 1991.
Nicholas, R.A. and Cullen, G.A. Development and application of an ELISA for detecting antibodies to Salmonella enteritidis in chicken flocks. Vet.Rec. 128:74-76, 1991.
Nicholas, R.A. Blood Discs for Salmonella enteritidis - Sampling and Laboratory Procedures. Central Veterinary Laboratory, New Haw, Addlestone, Surrey KT15 3NB, U.K. (1992)
Nossal, G.J.V. Life, Death and the Immune System. Scientific American 269: (3) 20-31 (1993)
Onaga, H., Saeki, H., Hoshi, S. and Ueda, S. An enzyme-linked immunosorbent assay for serodiagnosis of coccidiosis in chickens: use of a single serum dilution. Avian Diseases 30:658-661, 1986.
Ortiz, A. and Kleven, S.H. Serological detection of Mycoplasma synoviae infection in turkeys. Avian.Dis. 36:749-752, 1992.
Ouchterlony, O. Acta.path.micro.Scand 25:186\par \par Oudin. J. C.r. acad.sci. 222:115 (1946)
Phillips, J.M. (1973) Vaccination against Newcastle Disease: An assessment of haemagglutination inhibition titres obtained from field samples. Vet.Rec. 93 :577-583, 1973
Piela, T.H., Gulka, C.M., Yates, V.J. and Chang, P.W. Use of egg yolk in serological tests (ELISA and HI) to detect antibody to Newcastle disease, infectious bronchitis, and Mycoplasma gallisepticum . Avian Diseases 28:877-883, 1984.
Piela, T.H., Yates, V.J. and Chang, P.W. Use of egg yolk to determine antibody levels in chickens inoculated with a hemagglutinating duck adenovirus (adenovirus 127-like). Avian Diseases 29:457-464, 1985.
Rettger, L.F. Septicaemia among young chickens . N.Y. Med. J. 71:803-805 (1900).
Rivetz, B., Weisman, Y., Ritterband, M., Fish, F. and Herzberg, M. Evaluation of a novel rapid kit for the visual detection of Newcastle disease virus antibodies. Avian Diseases 29:929-942, 1985.
Runnels, R.A., Coon, C.J., Farley, H., and F. Thorp. An application of the rapid-method agglutination test to the diagnosis of bacillary white diarrhoea infection. J. Am. Vet. Med. Ass. 70:660-662 (1927)
Ruppanner, R., Behymer, D.E., DeLong, W.J., Franti, C.E. and Schulz, T. Enzyme immunoassay of Chlamydia in birds. Avian Diseases 28:608-615, 1984.
Schaffer, J.M., McDonald, A.D., Hall, W.J., and Bunyea, H. A stained antigen for the rapirwhole blood test for pullorum disease. J. Am. Vet. Med. Assn. 79:236-240 (1931)
Smart, I.J. and Grix, D.C. Measurement of antibodies to infectious avian encephalomyelitis virus by ELISA. Avian Pathology 14:341-352, 1985.
Snyder, D.B., Marquardt, W.W., Yancey, F.S. and Savage, P.K. An enzyme-linked immunosorbent assay for the detection of antibody against avian influenza virus. Avian Diseases 29:136-144, 1985.
Snyder, D.B., Marquardt, W.W., Mallinson, E.T., Savage, P.K. and Allen, D.C. Rapid serological profiling by enzyme-linked immunosorbent assay. III. Simultaneous measurements of antibody titers to infectious bronchitis, infectious bursal disease, and Newcastle disease viruses in a single serum dilution. Avian Diseases 28:12-24, 1984.
Solano, W., Giambrone, J.J. and Panangala, V.S. Comparison of a kinetic-based enzyme-linked immunosorbent assay (KELISA) and virus-neutralization test for infectious bursal disease virus. I. Quantitation of antibody in White leghorn hens. Avian Diseases 29:662-671, 1985.
Solano, W., Giambrone, J.J. and Panangala, V.S. Comparison of a kinetic-based enzyme-linked immunosorbent assay (KELISA) and virus-neutralization test for infectious bursal disease virus. II. Decay of maternal antibody in progeny from White Leghorns receiving various vaccination regimens. Avian Diseases 30:126-131, 1986.
Talkington, F.D., Kleven, S.H. and Brown, J. An enzyme-linked immunosorbent assay for the detection of antibodies to Mycoplasma gallisepticum in experimentally infected chickens. Avian Diseases 29:53-70, 1985.
Thayer, S.G., Nersessian, B.N., Rivetz, B. and Fletcher, O.J. Comparison of serological tests for antibodies against Newcastle disease virus and infectious bronchitis virus using ImmunoComb solid-phase immunoassay, a commercial enzyme-linked immunosorbent assay, and the hemagglutination-inhibition assay. Avian Diseases 31:459-463, 1987a
Thayer, S.G., Villegas, P. and Fletcher, O.J. Comparison of two commercial enzyme-linked immunosorbent assays and conventional methods for avian serology. Avian Diseases 31:120-124, 1987b.
Thoen, C.O., Eacret, W.G. and Himes, E.M. An enzyme-labeled antibody test for detecting antibodies in chickens infected with Mycobacterium avium. Avian Diseases 22:162-166, 1978.
Thornton,D.H and W.H.Allan Quality control of serological test reagents. Vet.Rec. 413-414\par (1982)
Timoney, J.F., Sikora, N., Shivaprasad, H.L. and Opitz, M. Detection of antibody to Salmonella enteritidis by a gm flagellin-based ELISA. Vet.Rec. 127:168-169, 1990.
Tizard, B. Avian Immune Responses. Av.Dis. 23: (2) 290-298 (1979)
Todd, D., Mackie, D.P., Mawhinney, K.A., Connor, T.J., McNeilly, F. and McNulty, M.S. Development of an enzyme-linked immunosorbent assay to detect serum antibody to chicken anemia agent. Avian.Dis. 34:359-363, 1990.
Toivanen, A., Toivanen, P., Eskola, J., and O. Lassila Ontogeny of the chicken lymphoid system in Avian Immunology, Rose, M.E., Payne, L.N., and Freeman, B.M. (eds) Poultry Science Symposium No. 16 (1981)
Tsukamoto, K., Kono, Y., Arai, K., Kitahara, H. and Takahashi, K. An enzyme-linked immunosorbent assay for detection of antibodies to exogenous avian leukosis virus. Avian Diseases 29:1118-1129, 1985.
Tsukamoto, K., Obata, H. and Hihara, H. Improved preparation of ELISA antigen of infectious bursal disease virus. Avian.Dis. 34:209-213, 1990.
Voller, A., Bidwell, D., and Bartlett, A. Microplate enzyme immunoassays for the immuno-diagnosis of virus infections. Manual of Clin. Immunol. ASM, Washington, D.C. p. 506-512. 1976
Wilson, R.A., Perrotta, C.,Jr., Frey, B. and Eckroade, R.J. An enzyme-linked immunosorbent assay that measures protective antibody levels to Newcastle disease virus in chickens. Avian Diseases 28:1079-1085, 1984.
White, R.G. The structural organisation of avian lymphoid tissues, in Avian Immunology, Rose, M.E., Payne, L.N., and Freeman, B.M. (eds) Poultry Science Symposium No. 16 (1981)
Whittemore,A.D. and J.E.Williams Microsystem for collecting and shipping diagnostic sera. Appl.Microbiol. 24:(4)671-672 (1972)
Williams,J.E. Collection of avian blood samples in microtest plates. Av.Dis. 17:445-449 (1973)
Williams, J.E. and Whittemore, A.D. Field applications of MA and MAG tests for the detection of avian salmonellosis. Proc. 80th Ann. Mtg. US anim. Health Assn. p 297-303 (1976)
Woernle, H. The use of the agar-gel diffusion technique in the identification of certain avian virus diseases. The Veterinarian 4:17-28 (1966)
Wyeth P.J. and Cullen G.A. The use of an inactivated infectious bursal disease oil emulsion vaccine in commercial broiler parent chickens. Vet.Rec. 104:188-193 (1979)
Yagihashi, T. and Tajima, M. Antibody responses in sera and respiratory secretions from chickens infected with Mycoplasma gallisepticum . Avian Diseases 30:543-550, 1986.
Zellen, G.K. and Thorsen, J. Standardization and application of the enzyme-linked immunosorbent assay for infectious bronchitis. Avian Diseases 30:695-698, 1986.