Vaccination of chickens against Newcastle disease with a food pellet vaccine
The Australian, heat‐resistant, a virulent V4 strain of Newcastle disease (ND) virus was selected for further heat resistance to give a variant designated V4‐UPM. V4‐UPM was sprayed on to food pellets which were fed to chickens in amounts calculated to give about 106EID50 per chicken. Chickens vacci...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Published: |
Taylor and Francis Group
1990
|