Vaccination against Newcastle disease
Two field trials carried out on 2,000 broiler chickens showed that chickens vaccinated with the lyophilised Newcastle disease (ND) "F" vaccine at 1, 21, and 42 days were protected when challenged at 14, 35, 56 and 70 days with the virulent strain of Newcastle disease virus (NDV) administer...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Kluwer Academic Publishers-Human Sciences Press
1982
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| Online Access: | http://psasir.upm.edu.my/id/eprint/114170/1/114170.pdf |