Spray vaccination with an improved F Newcastle disease vaccine. A comparison of efficacy with the B1 and La Sota vaccines
An improvied F Newcastlc disease vaccine was evaluated as a spray vaccine, Its performance was compared with the B I and La Sota vaccines, two other commercial lentogenic Newcastle disease vaccines. The three different vaccines when administered by spray to groups of chitkens at 2 I and 42 days ol...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
1983
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| Online Access: | http://psasir.upm.edu.my/id/eprint/39685/1/16%20-%20Spray%20vaccination%20with%20an%20improved%20F%20newcastle%20disease%20yaccine.%20A%20comparison%20of%20efficacy%20with%20the%20bl%20and%20la%20sota%20yaccines.pdf |