The immune response of chickens vaccinated against Newcastle disease with live Newcastle disease V4 vaccine
Vaccination of chickens with the commercial Newcastle Disease (ND) V4 vaccine at 21 days old or at 21 and 35 days old, stimulated satisfactory and persistent HI antibody levels. The vaccinated chickens were immune when challenged at 49 days old or 77 days old with the virulent strain of NDV administ...
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Main Authors: | , , |
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Format: | Article |
Language: | English |
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Australian Veterinary Association
1980
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Online Access: | http://psasir.upm.edu.my/id/eprint/15416/1/15416.pdf http://psasir.upm.edu.my/id/eprint/15416/ http://onlinelibrary.wiley.com/doi/10.1111/j.1751-0813.1980.tb02537.x/abstract |
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