Repeat the thawing, opening, transfer and rinsing operations for the appropriate number of ampoules to be reconstituted in the diluent; either 1 ampoule per 200 ml of diluent for subcutaneous administration, or 4 ampoules per 200 ml of diluent for in ovo administration. • The diluted vaccine prepared as described is mixed by gentle agitation so as to be ready for use.