Question:  query regarding vaccine for broiler 
Answer:  the vaccine are -- f1 -[ ranikhet ] /ivbp/ ibd / crd/ fowl pox / infactious coryza / egg drop syndrom -- all are given by following the vaccination schedule  at different age of the bird - route of administration are depending upon the producer direction / mainly route are - oculo -nasel[ eye, nose] / drinking water /  intra mascular or wing web  depending upon the type of vaccine