The effect of different Newcastle disease live vaccines and vaccination schedules on the immune response and performance of broiler chickens serologically positive to Mycoplasmas
This study was conducted to investigate the efficacy of the Newcastle disease (ND) live vaccines from different commercial sources used in different programs for vaccination of chicks having maternal antibodies against Mycoplasma infection. The immune response was estimated using HI and challenge te...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Beni-Suef University
2007-06-01
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| Series: | Journal of Veterinary Medical Research |
| Subjects: | |
| Online Access: | https://jvmr.journals.ekb.eg/article_77915.html |