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RESULTS OF NEWCASTLE VACCINATION 



By SPRAY 



(months) 



UNH SPRAY 



PARENTAL IMMUWIT/ — ^ 

 MO REVACCI NATION 



MONTHS 





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 Ct: 



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! RESULTS OF NEWCASTLE VACCINATION 

 i BY SPRAY 



(weeks) 



UNH SPRAY — 



COMMERCIAL SPRAY — - 

 PARENTAL INMUNiry - — 



1 a. 



PAPENT/M- ■^' 



WEEKS 



13 



