Article
Minimization of pathologic changes in Ornithobacterium rhinotracheale infection in turkeys by temperature-sensitive mutant strain.
Avian diseases - 1 Jan 2000
Lopes Vanessa, Back Alberto, Halvorson David A, Nagaraja Kakambi V
Abstract excerpt
The protection elicited by a temperature-sensitive (Ts) mutant of Ornithobacterium rhinotracheale (ORT) vaccine against challenge with pathogenic strain was investigated. In Experiment 1, specific serologic response to ORT was detected in 12%-19% of Ts-vaccinated birds at 3 wk postvaccination by either drinking water or oculo-nasal instillation. At 7 days postchallenge, 100% of Ts-vaccinated turkeys of all groups...
Topics
- Animals
- Antibodies, Bacterial
- Bacterial Vaccines
- Gram-Negative Aerobic Rods and Cocci
- Gram-Negative Bacterial Infections
- Immunohistochemistry
- Mutation
- Poultry Diseases
- Temperature
- Turkeys
- Vaccines, Attenuated