The response of Australian chickens naturally infected with avirulent Newcastle disease virus to challenge with velogenic Newcastle disease virus
Sixty-eight breeder chickens, 4 to 12 months of age, were taken from Australian flocks that had been naturally infected with avirulent Newcastle disease virus (NDV) and transported by air to Malaysia. Nearly all the breeders had haemagglutination inhibition antibodies to NDV, at titres of from 2 to...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Australian Veterinary Association
1980
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| Online Access: | http://psasir.upm.edu.my/id/eprint/15468/ http://psasir.upm.edu.my/id/eprint/15468/ http://psasir.upm.edu.my/id/eprint/15468/ http://psasir.upm.edu.my/id/eprint/15468/1/15468.pdf |