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Renal haemangioma in a dog |
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| Authors: | J.A. Cadwallader B.V.Sc. D.V.C.S. B.E. Goulden B.V.Sc. Ph.D. M.R.C.V.S. M.A.C.V.Sc. R.S. Wyburn B.V.M.S. D.V.R. M.R.C.V.S. M.A.C.V.Sc. R.D. Jolly B.V.Sc. Ph.D. M.A.C.V.Sc. |
| Affiliation: | Faculty of Veterinary Science , Massey University , Palmerston North |
| Abstract: | Twelve New Zealand isolates of avian Infectious Bronchitis virus were typed by the serum-neutralization test. Both the constant serum decreasing virus and the constant virus decreasing serum methods were used. Cross-protection tests in specific-pathogen-free chickens were also carried out. Four groups of viruses, designated serotypes A, B, C and D were distinguished by both methods. Immunization with B, C and D gave some protection to challenge with type A. |
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