Participation in Forum on March 19, 2019
Participation in Forum on October 20, 2018
Dear colleague,1- the duration of immunity from ND and IB live vaccine depends on if it associated with an inactivated vaccine or not. If they are given alone the expected titer will be low and persistence will not exceed 3 to 4 weeks. But if associated with killed vaccine we'll obtain a high titer and continue for 6 to 8 weeks.2- The short persistence of immunity may due to withering the ina ...
This member had joined Engormix
June 18, 2018