Abstract
Measurements of infectious bronchitis virus (IBV) antibody titres by IDEXX IBV antibody ELISA were compared with the results of agar-gel precipitation (AGP) and serum neutralisation (SN) tests. The percentage of samples testing positive by AGP and SN increased as the ELISA IBV antibody titre increased. Although it is not clear at what antibody titre level birds are protected against intercurrent infection, a mean IBV antibody titre measured by IDEXX ELISA of 439 correlated with a high level of protection against exposure to T-strain IBV. A comparison of two different IBV antibody ELISA kits showed a significant linear correlation although individual samples did not always correlate closely.
| Original language | English |
|---|---|
| Pages (from-to) | 157-160 |
| Journal | Proceedings of the Australian Poultry Science Symposium |
| Volume | 16 |
| Publication status | Published - 2004 |
| Event | APSS 2004: 16th Annual Australian Poultry Science Symposium - Sydney, Australia Duration: 9 Feb 2004 → 11 Feb 2004 |
Keywords
- Animal Protection (Pests and Pathogens)
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