Birds should be vaccinated at the age 30-80 days.
the vaccine is injected intramuscularly into the femoral muscle group.
duckling at age 30 days vaccinated with dose 0.5cm³
replacement ducks are vaccinated twice at age of 60-70 days and at the age of 140-150 days at the dose of 1cm³

One Vaccinated Dose For Duckling Under 30 Days Age Contains No Less Than 3.4 Lg EL/IO.B Cm3,
And For Ducks - No Less Than 4.7 Lg, Eldm/Cm