Is a freeze-dried lie vaccine against Swollen Head Syndrome prepared from a modified
live virus (PL21 strain) multiplied in VERO cells. It is the first and
only chicken-derived live Avian Pneumovirus vaccine.
PL21 vaccine strain, homologous to the Gallus gallus species
Lower level of attenuation
Demonstrates good tropism for the respiratory system in chickens
Does not induce harmful post-vaccinal reactions in chickens
Generates better level of protection
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1000ds, 5000ds glass bottles with rubber stopper sealed with an aluminum cap.