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New Zealand Veterinary Journal Volume 25, 1977 - Issue 3
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Scientific Article

Studies on avian infectious bronchitis virus in New Zealand

III. Efficacy of an attenuated live infectious bronchitis vaccine of New Zealand origin in broiler birds

J.E. Lohra Dept. of Veterinary Pathology and Public Health, Massey University, Palmerston North
, Dr.Vet.Med.,
I.P. McCauslandb NRM Group, Auckland
, B.V.Sc Ph.D. &
D.J. Owenc NRM Feeds Ltd., Auckland
Pages 53-55 | Received 29 Jan 1976, Published online: 23 Feb 2011

References

  • Bengelsdorff, H. J., and Schneider, B., 1964a. Zur Frage der Impfprophylaxe gegen Infektiose Bronchitis mil Lebendvaccine. I. Teil: Virutenzprufungen des Impfvirus, Dtsch.tierarztl. Wochenschr. 71 (1964a), pp. 176–180.
  • Bengelsdorff, H. -J., and Schneider, B., 1964b. Zur Frage der Impfprophylaxe gegen Infektiose Bronchitis mil Lebendvaccine. 2. Teil: Immunogenes Verhallen des Impfvirus gegenuber verschiedenen Feldstammen, Dtsch. tierarztl. Wochemchr. 71 (1964b), pp. 202–207.
  • Bengelsdorff, H.-J., and Lohr, J. E., 1975. Vaccination of young chickens with live vaccine against some New Zealand isolates of infectious bronchitis virus, N.Z.vet.J. 23 (1975), pp. 85–92.
  • Bulow, V. von, 1966. Infektiose Bronchitis der Huhner. III. Vergleichende Untersuchungen der Virulenz und Wirksamkeit von vier Lebendvakzinen, Zentralbl. vet. Med. 13(B) (1966), pp. 767–781.
  • Bulow, V. von, 1969. Differenzierung von Feldstammen des Huhner-Bronchitsvirus (IBV), Zentral. Vet. Med. 16 (B) (1969), pp. 414–427.
  • Cumming, R. B., 1975. Infectious Bronchitis — A continuing problem. Presented at Proc. Meat Chickens and Feed Manufacturers' Assn.. Adelaide, March, 1975.
  • Cunningham, C. H., 1961. Newcastle disease and infectious bronchitis neutralizing antibody indexes of normal chicken serum, Am.J.vet.Res. 12 (1961), pp. 129–133.
  • Lohr, J. E., 1974. Neutralizing and precipitating antibodies against infectious bronchitis virus in chickens, N.Z.vet.J. 22 (1974), pp. 5–9.
  • Lohr, J. H., 1977 a. Studies on avian infectious bronchitis virus in New Zealand. I. Serotypes, N.Z. vet.J. 25 (1977 a), pp. 48–51.
  • Lohr, J. E., 1977b. Studies on avian infectious bronchitis virus in New Zealand. II. Properties of four serotypes at a low and a high egg passage level, N.Z. vet.J. 25 (1977b), pp. 51–53.
  • National Research Council, 1971. Methods for Examining Poultry Biologics and for Identifying and Quantifying Avian Pathogens. Washington D. C.: Nat.Acad.Sci.; 1971. pp. 101–102, In.
  • Reed, L. J., and Muench, H., 1938. A simple method of estimating fifty percent endpoints, Am.J.Hyg. 27 (1938), pp. 493–497.
  • Winterfield, R. W., and Fadley, A. M., 1972. Some characteristics of isolates of infectious bronchitis virus from commercial vaccines, Avian Dis. 16 (1972), pp. 746–755.
  • Winterfield, R. W., Fadley, A. M., and Bickford, A.A., 1972. The immune response to infectious bronchitis virus determined by respiratory signs, virus infection, and histopathological lesions, Avian Dis. 16 (1972), pp. 260–269.

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