Edson Chola likes the comment:
I agree, a lot can go wrong in between vaccine preparation, administration and production of a protective level of antibodies by the bird. Above comments already show a nice overview. Another topic I would like to add to this discussion, is the use of in feed solutions to enhance vaccination efficiency. Quite some scientific research is done on this topic, like for example this publication, relat ...
This member had joined Engormix
October 26, 2018