NEWCASTLE DISEASE
Thermostable vaccines in India – John Kirubaharan - GALVmed
Thermostable vaccines in India – John Kirubaharan - GALVmed
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Stage 6 – Field trials<br />
• Use of vaccine seed D58 as priming vaccine for broilers instead of F<br />
strain<br />
• 8500 doses<br />
• Vaccine given through nostrils<br />
• 10 th day primed with D58<br />
• 21 st day serology<br />
• HI titre - 2 4 to 2 7<br />
• ELISA titre – More than log 2.7<br />
• Titre maintained till date of lift 45 th day of age (35 days after<br />
vaccination)<br />
• One dose provided sufficient immunity
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