02-08-2015, 10:07 PM
For complete protection against newcastle disease (NCD), local immunity in the upper respiratory tract (Harderian gland and trachea) and digestive tract is a must. This is only possible by systematic usage of the following NCD vaccines: asplin/F strain, followed by Lasota, R2B AND THEN AN INACTIVATED/killed NCD vaccine.
In the control of NCD, local immunity, cell mediated immunity and humoral immunity play a role. R2B and komorov strains are of the same category, both are mesogenic strains.
In the control of NCD, local immunity, cell mediated immunity and humoral immunity play a role. R2B and komorov strains are of the same category, both are mesogenic strains.